Speedmaster heads flow numbers. 1002, and the head studs are .

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Speedmaster heads flow numbers 2- 135 133 134 PM me if you want the flow numbers. Jess '90 mustang 545, Weiand tunnel ram, Predator carbs, c-4 with brake, 4800 stall UCC, 9" 4. We were armed with a 400-cfm laminar flow element (powered by six 1. The same seller has the same head CNC ported, same size valves, with these flow numbers. Flow Numbers 220cc intake runner 66cc chamber Intake 2. 2046. 2103Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:Cast IronCylinder Head Finish:Na Brand Information . 300 flow Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . High Performance Injuns replied First Look at the SpeedMaster Pontiac Heads. Pretty interesting. But to see them side by side, with just a valve change is very interesting. In addition to the increased flow, the revised valve location (where the heads got their name) improved piston-to-valve clearance, allowing enthusiasts to combine wilder cam timing Flow numbers as casted are dismal in my opinion for a big ford head. LA vs. 200——131 . The castings we have are D3ZE-AA & D1ZE-DA. 60 $1,428. 5-221 158. 11" valves are standard issue, the valve seat can be machined to Brand Information . 1 62/74 50/58 . The ratings may not be comparable to flow ratings from another flow bench. Most flow numbers for Scott Johnston heads come from them Web Site updated July '09. 7L hemi heads, 3. y_2025, m_1, d_3, h_8CST; Flow numbers as casted are dismal in my opinion for a big ford head. Speedmaster CNC flow numbers Pontiac - Street. Not only do Speedmaster: Part Number: PCE281. Flow numbers are great and all, but at the end of the day you have a cylinder head that has zero Part Number: 746-PCE281. 19 intake valves are installed. Promo . So the target user for this head would be a budget minded guy wanting a great street strip head. Features; Flow Chart; Cylinder Head Options; Technical Specs; High-Flow Pontiac Cylinder Head Packages - Cylinder Head Symphony "We offer optional hand-porting that can increase that number to more than 400 cfm, but flow as high as 430 cfm has been 10. Comparing LA cylinder head flow numbers. 625 dual valve springs, heads flow 405 @ . E. Note that the Gen3 valves are almost 1mm larger and the ports are 12 more cc volume than Gen1. ProFlo 2. wengines. I personally wouldn't spend the $$$ on them though. Both set of flow numbers would be appealing to most people building an engine. Cylinder head flow at; 220 x 2 = 440 hp 280 x 2 = 560 hp 300 x 2 = 600 hp Etc. 25 valve with back cut and a heavily tuliped exhaust valve. 2046 is rated 5. Other than that as out of box . 4 235/270 145/173 Part Number: 746-PCE281. These modifications will The. 2092Part Type:Cylinder HeadsCylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):60 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):250 ccExhaust Runner Volume (cc):n/aCNC-Machined Intake Runner:NoCNC-Machined Speedmaster™ Master Catalog. 51 gm head gasket and new head bolts. When cleaning these heads, the AREA, (Automotive Engine Rebuilders Association), suggests staking the seats in the heads before cleaning so they don't fall out. That copies the D0VE intake port and tried to replicate the TFS exhaust without getting hammered on more patent infringement issues. That said, you began with not looking for A460 head performance, which is good. The Speedmaster is a very close copy of the Edelbrock. Speedmaster Engine Cylinder Head Assembly Pce281. flw file I agree most heads today can outperform a non modified 2. Exhaust. I'd love to see the two compared, so as to see at what point in lift, the 2. Do a mockup when These sound really interesting. No port job besides the Bowtie head is anything more than the bowl. I ended up putting Speedmaster heads on it. 090". ARP also makes a head stud kit that is compatible with our 15deg. While the cylinder head numbers suggest a possible certain amount of power possible, it would be easier to make the possible power on a larger engine rather than a smaller engine. 99 @ 124 pump gas 455 E heads, NO Bird ever! I didn't have any iron cylinder heads because I was starting from scratch. No Reviews yet. They offer a smaller cross - Brand: Speedmaster Part Number: PCE281. This head will make your SBF come to life. Rated 5 out of 5 by 331 sbf from Speedmaster aluminum heads small block ford Heads are above top top quality, super nice, perfect Construction, impressed to say the least! Would buy again for another Build We have not seen any flow data for these cylinder heads Flow numbers now listed! As promised, we are releasing photos, tech, and life giving flow numbers from our test on these heads the minute they arrived and The test head is here!!! Before you (or the chatters) get all wound up about the flow numbers (and they are goooood!) maybe these heads are not for you. Here's back to back tests of a stock SBM OOTB Trick Flow 190cc CNC port and a non-professionally hand ported Speedmaster 186cc port. 600, and they Feb 5, 2008 · I got a set of procomp heads that were supposed to be the 74 cc heads, but cc 'd at 93. Product Q&A View Now. Kim Actually RRR there are TON'S of threads where people are asking/providing/disputing flow numbers from cylinder heads. 2-99 89. Cylinder Head Comparison This chart is a collection of published flow numbers for different types of cylinder heads. Operating within the idle-5500 rpm range - they fit the bill perfectly. i. I bought mine bare so these numbers are with one used Edelbrock exhaust valve and one used 2. It's an ok head though, just as a ported D3 is a good street performance head. 00. Our Heads Flow 289CFM As I realized when I swapped mine over from the CNC speedmaster heads to the trickflows, I didn't change anything but the head gasket thickness to keep the compression the same. Ok then I bolted the stock Speedmaster intake on and did another test. Air Filter Elements; Speedmaster Pontiac 400 455 Ram Air IV Hyd FT Cylinder Head Top End Engine Combo Kit [Black] US $2,625. We'll be performing our testing on the Superflow flow bench at Auto Performance Engines, so the numbers you see are real-world flow numbers for popular Mopar big-block cylinder heads. Eric Weingartner flow tests a CNC Stealth head. They are set up for a hydraulic flat tappet cam, but I had made up my mind that I would change the springs out for whatever Kauffman or crower suggest. Many mfrs/head-porters in order to get the "flow-numbers" simply remove too much material from the port roofs and leave as little as 3 good threads on one side of the inserts on two runners on each head. Skip Fix 1978 Trans Am original owner 10. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed Well I’ll say it: the trick flow 190s are barely any better than the Procomp /Speedmaster 190 CNC heads. But there can be probelms here too. 4-273. 300 201 cfm. 050, Lemons Headers, Holley Multiport Fuel Injection, TCI 6X 6Speed Automatic, 12 bolt Posi Eaton TruTrac, 3:31 Richmond Gears, front and rear power disc brakes, Global West Suspension, etc. 90s @ 125 with a HFT. 84 SAVE $158. 99 @ 124 pump gas 455 E heads, NO Bird ever! Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. Mpcoluv Pro Posts: 459 Joined: Tue Dec 12, 2006 12:45 am Location: My Test. Flow rates have been targeted at . may be different than other flow benches also. Put it in a '66 Fury III C-Body with TTI headers, and the angled spark plugs and TTI headers, there is ample space and access to the sparkplugs, and the wires are not close to the header tubes (1-7/8 I know this head isn't for everyone. Here is where it gets sticky. 60" exhaust valves. N. This is the base casting number only which is shared by all of these heads and depending which head is produced such as bare or complete and chamber size, it will get a different part number. Thankfully it was one of the better ports on the intake as it’s got a couple buggered up posts casting wise (easy fix but I wanted stock numbers) flow numbers with stock intake are in column on right. The seat inserts are plenty big enough for 2. These modifications will thought I would share an article I found on the max wedge intake compared to modern intakes on flowseems that if your heads flow more than 280 cfm,its being wasted,, ""With the MW cross ram it was basically just a 600 hp motor but with a Super Victor intake and a solid roller it made 800 hp. 870” between the centerline of the valves for each cylinder. Prop 65 Warning FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . headstud kit with 3/8" reduced shank on the studs between intake ports. Answered by: jshook. Their SBC and Windsor heads are pretty good though. Intake and 1. 16 New---- Used; Ford 351 Cleveland 4v 254cc 64cc Hydraulic Flat Assembled Cylinder Heads. SBC 15 degree head These Flow Numbers are CNC ported Intake Valve 2. The cam was fairly mild too so I'm sure there was more in it. If you want a multi-thousand dollar race head, buy one. No ratings or reviews yet. High-performance heads offer intake flow from about 200 to 300 cfm “as cast,” or more with porting. I review this Trick Flow Small Block Mopar cnc ported heads. $1,163. 76" valves. The TFS heads generated peak flow numbers of 250 cfm (intake) and 193 cfm (exhaust). 180” w/Sunnen VCS6090 cutter Exhaust Valve 1. Head part number(s): 5342B001, 53400001, 53400002, 5340T002, 53400003, 5340T003 Head Material: A-356-T6 Aluminum Comb. Superflow 600 @28" Lift In Ex . 60 valve package with a 238/85cc port volume package to maximize airflow. Fixture was a Brzezinski Racing slider with a 4. With the increasingly large displacements becoming common, the need for more airflow is necessary. 072 in. The flow numbers for a stock 1973 Mopar 587 head with 1. 76 exhaust,That Brett Powell cut and installed for me. Appears the Speedmaster head is a small upgrade from a mildly worked over set of iron heads. Not only do Port-wise, the P-51 heads were a step up (in as-cast form) from what might be expected of a professionally ported set of Super Cobra Jet heads. Ultimate. chinese castings used to be junk. The heads will bolt to ALL traditional Pontiac blocks and do not The part number for the Ford 460 Speedmaster" Head Stud Kit is PCE279. I’m impressed with the. The Edelbrock is a little smoother on the short turn. The only thing you have to decide on is comp ratio. I would like to start a thread index. Flow numbers are also attached. Build SpecsBrand:SpeedmasterPart Number:PCE281. I searched but didn't find any results. 5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a velocity probe. This is a bbc thread. he Jul 30, 2021 · The readings may be 10% high. 1800 Part Type: Cylinder Heads Cylinder Head Style: Bare Cylinder Head Material: Aluminum Cylin Description . The Speedmasters need help from a good machine shop. Date published: 2018-02-08. Fully ported pc heads are little better for hp production than fully ported passenger car iron heads. The flow numbers indicate that 400 cfm comes at just 0. they are all the same head (give or take a few cfm), until you go offset rockers. This is especially true when 2. 37 correction factor to his numbers for 28" of Jun 3, 2003 · Most of the numbers I found on the web suggested they will flow around 250cfm @ . 1- 68 69 60. Not only do you get more performance out of the Specs . 19"/1. They're fully assembled with valve springs, retaine Curious of flow numbers as well. The intake seat ID is too small for the head size and this hurts flow. Stock Speedmaster will flow 250ish. Speedmaster: Part Number: PCE281. Most flow numbers for SD Performance heads come from their Web Site updated May '15. 700 lift (and many at 0. D. PC3002. 2001: Part Type: Cylinder Heads: Cylinder Head Style: Assembled: Cylinder Head Material: Exhaust and Intake Ports all fully CNC machined for better flow. 300——185 Here is some numbers from some EQ heads that I bought through my local machine shop in Winnipeg. Also i'll wait till i've Angle-Milled the Heads to do the final tuning of the Short Turn Curve , if you don't do that its like your Post : Angle-Milling can hurt Flow Numbers ! Most Flow numbers by themselves are a poor way to judge a head. These were a complete set with valves and springs from Speedmaster. 500-lift flow numbers. This compares to just 166 cfm and 112 cfm (from port volumes of 127cc and 44cc). Just finished the 505" stroker with the TF 240 heads. How much would a gasket match porting on the intake and exhaust with polishing the exhaust help the numbers? RE C8VE flow numbers Stock as 10. 25 x 1. 1654 cylinder head is not for use on Magnum engines. 6-315. 08" intake/1. This i feel is because of the small overall dimensions of the port. Post by Mpcoluv » Tue Apr 01, 2008 11:42 pm. 10/1. 700 lift, but our 0. 155 bore no exhaust pipe INT EX. Going over out of the box AFR 305 heads with flow numbers. but there are s quite a few flow numbers for various heads there: These first three heads, the 441, 993, and 126 heads are all 72-76cc heads. 76 Lowest Price Guarantee $ + $ $ Cylinder Head; Ford 351 Cleveland 4V 254cc 64cc Hydraulic Roller Assembled Cylinder Heads The Speedmaster Ford Cleveland cast irone heads are a perfect upgrade for both 2 and 4 barrel engines. Currently, the most talked about heads are probably late model hemi heads. chinese VALVES are not to be trusted. (I asked a W/Products tech guy on this) Thanks! Makes you wonder about he before and after flow numbers the seller posted. But as they sayif it looks to good to be true, it probably is. 7-337. This is one of my test heads 2. Thoughts please. All of this combined to dramatically increase airflow over the stock heads, with peak flow checking in at 277 cfm vs just 157 cfm for the stock heads. 08 valve Valve Job blended into short turn. 200 128 90 . I do a review of the Speedmaster SBC vortec heads with flow numbers and compare the flow numbers to stock and ported 906vortec heads. 600 lift) than the AFRs. The part number for the Ford 460 Speedmaster" Head Stud Kit is PCE279. SM has 50 deg valve angle with valves sunk 0. Plus intake work . 2152Part Type:Cylinder HeadsCylinder Head Style:AssembledCylinder Head Material:Aluminum Cylinder Head Finish:NaturalCombustion Chamber Volume (cc): 77 ccCNC-Machined Flowed some stock Canfeild 320cc heads today on 4. 700 314 cfm. 100 72. SpecsBrand:SpeedmasterPart Number:PCE281. 02 64cc head and the amount of money needed to match wouldn't justify the end result. 2103. 580-lift cam never This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. Nicely ported exhaust flow numbers with small valve The small valve flow rates are almost identical to the 1. Guess the S after the part nr in the eBay listing stands for straight plugs? PROCOMP SBC 190/64CC COMPLETE ALUMINUM HEADS WITH STUDS & GUIDE PLATES | eBay 64cc Chambers. We have also wanted to do A,B testing with other heads, but the only thing we've ever seen is similar engine combos. Our reasoning is that we are looking for high flow at higher rpm. 02 with some porting and polishing. Standard valve sizes are 2. com www. If there's some I missed please let me know. For Headers used with Speedmaster heads Speedmaster CNC chamber cc's SPEEDMASTER ALUMINUM HEADS Speedmasters Pushrod problem with Speedmaster heads Speedmaster heads part 2. TF & Speedmaster Flow Tests Here's back to back tests of a stock SBM OOTB Trick Flow 190cc CNC port and a non-professionally hand ported I’ve now made available a full CNC program for the Procomp/Speedmaster Olds cyl heads. Hopefully somewhat impressive or at least an "As cast" Speedmaster heads are coming out at about 290cfm and that is better than Kaufman or Edelbrock heads which tend to run in the 260's as cast. Well if your going with trick flow pistons buy 170 as cast TW heads or 11r heads. 3-220. If you want to use them on a racecar that is fine, but you can only get so much power out of them. 7L V-6 and 4. Within a general area of approx 190-200 cfm intake. Asked the guy to upgrade the valve job,,,,,lol And the valve springs are going to replaced and he Hey guys, wondering whats the flow numbers for stock C8VE heads, stock valve sizes. buy bare castings and put manley or ferrea valves in with compcams or better springs, locks, etc. 100——55 . The CNC version improved the peak airflow by 45 cfm on the intake and 25 cfm on the exhaust. I have bought many sets of the SBF CNC heads and they are nicer appearing than the Air Here are stock flow numbers from Procomp 190cc windsor heads with valves from procomp flowed on 4. This happened to my friend's Drag-Week ride with shaft rockers on some BMF castings, we did the mod and all was well after the fact. 8 with 2. For example, the 60579 is a complete Performer RPM (87cc) Round Port cylinder head based on the 6056 casting and the 60569 is the same head but bare head SpecsBrand:SpeedmasterPart Number:PCE281. Speedmaster Pontiac heads include valve sizes at 2. 2152 188cc Aluminum 77cc. In my opinion, the TF are as close to bolt on ready as you can buy. Head: Part II . 7L Chrysler engines. 700" which will be max we are looking for with a non aggresive solid roller but looks like the ported intake shown will be a restriction. Answered by: jshook The series 1 175cc SBF is an economical head that has all the right stuff. 5-295. 6-220 159. heads on cast iron blocks with part number 234-4723. they have gotten better. The TF is 290-295 on my bench. hogging out the seat over hang. com. 290s are closed chamber, 049s open chamber. 2-156. I was extremely happy with how the AFR head did and the 702 head. Vendor Part Number. Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your small block Chevy and feature 220cc intake/67cc exhaust runners, 64cc combustion chambers, and 2. In fact, every aftermarket head we tested actually offered better flow number numbers at 0. Lift The series 1 175cc SBF is an economical head that has all the right stuff. 10 gears, 390/45r 15 drag radials, ladder bars. Calibrations,set-up,etc. $1,587. Oldsmobile heads are available with OEM sparkplug location. Come join the discussion about performance, production numbers, VIN decoders, modifications, troubleshooting, power adders, DIY tutorials, and more! One way to look at these heads for use on a 383 or bigger motor is that even though there flow numbers limit them to around 65 hp per cylinder when the motor is really built up in typical hot street form, that big port volume means that the peak Hp nunbers will not Nose over as fast as for instance a 185 CC head flowing those same numbers I have flowed plenty of factory big block chevy heads, so here it goes. They offer a smaller cross - section to increase the incoming air’s velocity, resulting in great drivability The flow numbers suggested the Edelbrock heads would support more than 530 hp on a wilder application, but they performed well on our mild 331, adding 85 hp. 1404: Part Type: Cylinder Heads: Cylinder Head Style: Bare: Cylinder Head Material: Exhaust and Intake Ports all fully CNC machined for better flow. At Black Friday prices, a decent option I guess on a large displacement engine. 600” w/Goodson FT05B cutter. 2168 Part Type: Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Description . 94 1. They are American made C5 Tech - Speedmaster Cylinder Heads - Anyone using, used, or heard of Speedmaster Cylinder Heads? I have seen advertisements for their heads with what looks like very good flow numbers, fully CNC, at a very inexpensive price and fully assembled. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from Speedmaster! Other Shops Sell Ported 240CFM Iron Heads for $1950. Our SAENZ flowbench will show average airflow over a specific lift range similar to My #6 heads probably flow close to the first numbers. This is regardless of The number seem to be what I would be expecting based on what I read in the Procomp sticky at the top of this section. Only the valve size is changed on them. 2170Part Type:Cylinder Heads Cylinder Head Style A 360 cubic inch engine at; CID X’s 2 = 720 hp. 5y. Important power producing features like velocity and wet flow cannot be seen in flow numbers. Killer head! We built a bracket race 434 with them and a 1000HP A. Features; Flow Chart; Cylinder Head Options; Technical Specs; Additional information; 175cc As cast Intake runner; Ultra-smooth 356-T6 casting; Diamond honed guides; Dropped off a set of the CNC speedmaster head for a new valve job. Eric Weingartner Weingartner Racing LLC 918-520-3480 weingartnerracing@gmail. The Speedmaster is a little smoother at the pushrod pinch. The The Speedmaster Ford Cleveland cast irone heads are a perfect upgrade for both 2 and 4 barrel engines. Click image to zoom. Find detailed flow data for Edelbrock aluminum cylinder heads, essential for optimizing engine performance. 00 US $2,195. 1001/2 351633229200 291996169160 New Complete set of Aluminum Small Block Chevy Motorsport heads. Magnum Valve Spacing. 19 intakes/1. 77@112 - Speedmaster cnc heads @ 6800ft da [email protected] - trickflow heads @ 7300ft da Ok so I've now done the full test with the procomp ls1 cnc heads (eBay heads, speed master heads - part number PC3017). CNC combustion chambers offer superior control over flame travel and quench area. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. With the increasingly large displacements becoming common, Page 4- Speedmaster CNC flow numbers Pontiac - Street. 2152Part Type:Cylinder HeadsCylinder Head Style:AssembledCylinder Head Material:Aluminum Cylinder Head Finish:NaturalCombustion Chamber Volume (cc): 77 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):188 ccExhaust Runner Volume (cc):n/a CNC-Machined Intake Runner:NoCNC-Machined Apr 23, 2021 · speedmaster is a chinese head. 2009 cylinder head does not come with rocker studs or guideplates. All flow numbers for Shady Dell Speed Shop heads come from their Web I bought a pair of the 190 CNC heads on Black Friday. Obviously, the modern heads flow more air than the vintage, cast-iron, small-block heads. Since I was having a local shop look them over, I had one flowed. Ford 289 302 Windsor Boss Hyd Roller Cylinder Head Top End Engine Combo Kit. 66" While the 2. The S/R Heads and the S/R Torquers are exactly the same casting. Prop 65 Warning The part number for the Ford 460 Speedmaster" Head Stud Kit is PCE279. Most stock production heads flow about 160 to 190 cfm on the intake port. Complete Assembled SBC Chevy 350 195cc 64cc Aluminum Cylinder Head Straight | MPN:FF281. 0 out of 5 by 1. 75" valve stuff. pro comp heads, an intake valve head popped off in his driveway at idle. Has anyone had any issues with the actual casting of the heads? What is the most power have you guys made with them? Also, what is the most power you guys have made with Edelbrock RPM heads? Page 3- Speedmaster CNC flow numbers Pontiac - Street. C. with 227 Track 1's and then a 434 with AFR 227's. The ARP head bolt part number is 134-3601, and ARP head studs 234-4301 for the 23 degree heads. Speedmaster is also one of the rare companies to produce its own products, where majority items are entirely developed For the 15 degree heads, we recommend SM2451-15DEG. This intake as is would not go on any engine of There is very little difference between the two ports. 25/1. No idea on the flow numbers, but it doesn't take much to be better than any stock SBF head ever made, We'll be performing our testing on the Superflow flow bench at Auto Performance Engines, so the numbers you see are real-world flow numbers for popular Mopar big-block 8. They both flow in similar numbers until . eBay Product ID (ePID) 21003849961. Date published: 2022-11-21 This uses a stock style guide plate like this Part Number: 555-202000 Answered by: Rusty B. TF has stock 45 deg valve angle. 68 stainless steel valves, Pacific 1. 3 181/216 123/142 . 88" intake valve are included for Yes, the NKB is the same as the ProHeader/Assault Racing/Southwest Performance/AFR Enforcer casting(and half a dozen other Ebay vendors), and now ProComp/Speedmaster is using it as ONE of the 4 or 5 different SBC aluminum head castings they sell. If those heads used an actually chevrolet exhaust port, they would not "flow" the numbers you refer to. 1002, and the head studs are Not my best video but here is some ford content. 11" Intake, and 1. 1002, and the head studs are Here are stock flow numbers from Procomp 190cc windsor heads with valves from procomp flowed on 4. 2165Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):72 ccCNC-Machined Combustion Chamber:YesIntake Runner Volume (cc):215 ccExhaust Runner Volume (cc):175 ccCNC-Machined Intake Runner:NoCNC As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast . 8-350 The only heads I ported on were the RHS 320cc and the GM 820. Lift Intake Exhaust. Any Brand: Speedmaster Part Number: PCE281. C Super Prepped Heads have fully CNC machined combustion chambers to increase air flow around the intake valve and a propietary valve job, deep bowl blending and a deep port match at the port mouth. 100, . Made in China. 1654 heads a try. Sorry guys, I’d link it, but I’m a little too technologically impaired! Run with the (big-chamber) Speedmaster LS3 heads, the stroker produced 576 hp and 551 ft-lbs of torque. How much would the . Like I said being number matching I stayed with my 2. 500 lift. Makes buying a bare set less tempting. 850 exhaust, titanium retainers, 11/32" valve stems, bronze valve guides, for solid roller thought I would share an article I found on the max wedge intake compared to modern intakes on flowseems that if your heads flow more than 280 cfm,its being wasted,, ""With the MW cross ram it was basically just a 600 hp motor but with a Super Victor intake and a solid roller it made 800 hp. 100 75 cfm. One say 427 c. 800 318 cfm. The people that jumped on that bandwagon still haven’t fallen off. 02 1. Based on information provided, I believe the stock Gen3 heads probably flow similar to the ported TEA Gen1 heads. I'm also fine with being called an asshole, I've been called much worse by people I've actually met and care There has been a rush of Speedmaster cylinder head action on here since Black Friday. Buy Direct from Speedmaster™ with Fast Shipping. 7-209 158. Dart, Brodix, Trick Flow, & World Products. 0 Compared to the as-cast 190 cc heads, the CNC-ported 215 heads offered more flow everywhere. I think the main purpose would be the air flow comparison between the different heads. A 360 cubic inch engine at; CID X’s 2 = 720 hp. Save Some Weight, Money And Gain 49CFM. 300 188 126 SpecsBrand:SpeedmasterPart Number:PCE281. SHIPPING IN THE LOWER 48 STATES IS FREE! CALL The Speedmaster 746-PCE281. Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. 500 through the intake and around 180 through the exhaust @ . One way to look at these heads for use on a 383 or bigger motor is that even though there flow numbers limit them to around 65 hp per cylinder when the motor is really built up in typical hot street form, that big port volume means that the peak Hp nunbers will not Nose over as fast as for instance a 185 CC head flowing those same numbers speedmaster is a chinese head. I have bought many sets of the SBF CNC heads and they are nicer appearing than the Air An intake by itself can show high flow numbers - but if the approach angle to the cylinder head is wrong/severe The 242cc heads listed flow is 355CFM @ . Not on par with Trick Flow or AFR, but at least they didn't copy a set of double hump sbc or E7 windsor heads. Thick deck - Can be used with Nitrous or Superchargers 190cc Intake Runners 64cc Chambers Straight & Angle plug Available. 400 244 cfm. Yes, they have a ton of potential but need some work to get there obviously. This is a stock-head replacement, not a full-on race head. This casting process creates a much more uniform and robust cylinder head. The CJPonyParts link has peak flow numbers for stock Gen1 heads and curves for various ported versions. Search ‘Mopar 440 Source head review with real flow numbers’ on YouTube. Factory CNC'd Speedmaster (mine were a disaster) flowed 266cfm. The owner let me come in on a Saturday and do some clean up on the bowls first and then do a bit of porting under his Flow Data – Flow Test done by myself on a Superflow600 at 28” valves and seats were 100% stock out of the box Manley 11878 Intake, Manley 11847 Exhaust. Flow numbers are great and all, but at the end of the day you have a cylinder head that has zero Exactly what I got for flow numbers on the 227. 400 lift when the 049 head will flow better at higher lifts because of less valve shrouding. I am not a big fan of low end aluminum heads but they surely seem to have been improved. Listed below is my flow test on a superflow All flow numbers for Sabre Heads come from their Web Site. My 78 TA has KRE CNC 320 E heads. i almost bought a blown 496. 1001-1 | UPC: To provide a better shopping experience, our website uses cookies. Even the ported 049 heads outflowed the AFRs at 0. Complete Cylinder Heads Range: Street Series Hydraulic Flat Tappet . Same everything else, even same tires. US $1,756. The Speedmaster 746-PCE281. 02 Edelbrock intake valve with a 30 degree backcut added. I bought them bare ($670) had stainless valves fitted, 3 angle valve job, plunge cut and hand blending into the valve seats and bench flowed ($925) , had them fitted last night with new ls7 lifters , 0. 500" lift, which is frankly a completely arbitrary way of doing it. Do you have any flow numbers on an unported head? Thanks Yes, SpeedMaster is the current name of the old ProComp company. Not my best video but here is some ford content. Speedmaster doesn't publish flow data for them and I couldn't find any online. Anyway here are the flow numbers I think Brett got Before, and after he rubbed on them a little. The particular cylinder heads in question use an exhaust port design which empties through the BBC flange because the header types that the end users needed for their applications were more readily available in a BBC application than the BBF. 4150 carb , made 720. They are sorted by max intake flow at 0. '12 — and were converted from 10" to 28". PCE281. 100 66 56 . 750" reach spark plugs. I ported the heads by fixing the short turn radius, blending the bowls, and narrowing the valve guide bosses. Our part number for head bolts is PCE279. They gave me permission to post. Walter R. After installation of the (smaller-chamber) Chevy Performance heads (with nearly identical flow numbers), the To test different valves to suit your needs. Speedmaster Aluminum Cylinder heads. 700-inch lift, meaning there is a meaty curve in the lower lift ranges. Malik Guru Posts: 6661 Joined: Tue Jul 24, 2012 3:15 pm Location: Roseville, Michigan (just north of Detroit) Re: That is encouraging about the flow numbers!!! I was actually worried because when I called speedmaster to ask them a few questions they couldn’t give me that information on flow. All Speedmaster 18deg. Air Flow Enhancers; Carburetor Scoops; Air Filter Elements & Accessories. CFM measured @ 28" of water. Brand:SpeedmasterPart Number:PCE281. 2170 | UPC:840136568285 Air Flow Enhancers; Carburetor Scoops; Air Filter Elements & Accessories. 680 in. If I remember All S/B heads flow reasonably close to each other as cast and new. Lots of shavings fell out of everywhere when they arrived. he Air Flow Enhancers; Carburetor Scoops; Air Filter Elements & Accessories. Thanks in advance. Like the rest of our performance heads we use our “Gravity Die Cast PC3002S/AC FF281. Show More. In our last issue, we began our foray into the world of airflow, as. The perfect cylinder head, designed for entry-level that results in great driveability, power and economy. If you are looking to build a 400-500+hp engine, give our PCE281. 1489 heads a try. If you are looking to build a 400-700 horsepower engine then you should consider Speedmaster™ Aluminum cylinder heads. Been looking at the Trick Flow 270, but don't have any projects that need them at his time. 500 285 cfm. There wasn’t any negative comments about the trick flow head and was branded the best small block head ever. Part Number: N/A Category: SERIES ONE. Oldsmobile 400 425 455 188cc 77cc Hydraulic Roller Assembled Cylinder Heads | MPN:PCE281. Updated Aug. Prop 65 Warning If you are looking to build a 400-500+hp engine, give our PCE281. Power production was every bit as Does anyone have flow test results for unported 4V cast iron 351C cylinder heads. 11. 600 lift, the back cut wins, with one notable exception @ . Most Mopar cylinder heads have 1. 1015. 88 INT. 6 heads gained flow. 1-54 50. 850 intake and 272 @ . But that doesn't mean that heads higher on the chart are Speedmaster has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. Intake Exhaust . Fel-Pro makes both head bolt kits and head stud kits, their part number for the head bolt kit is 155 - 4203 and the stud kit is 255 - 3701 SPARK PLUGS Spark Plugs Our Big Block Ford cylinder heads require the use of a 14mm thread 5 / 8" hex, . Fel-Pro makes both head bolt kits and head stud kits, their part number for the head bolt kit is 155 - 4203 and the stud kit is 255 - 3701 SPARK PLUGS Spark Pro Comp Heads Flow numbers - Don Terrill’s Speed-Talk Also a eBay listing. The charts below show the difference between stock flow numbers as well as the flow after our modifications are made. 500. 8-208 158 I know some of you were interested. The others were ported by customers. what’s funny is I’ve read To much waisted time. 0 60. Other than that, the intake and exhaust grinds look good and should flow better than stock. No exhaust pipe INT Long Short EX. 310 bore 2. It's almost like they don't want to buy them. • Entry Level Street Application • Idle I would also visit the Hughes engine site for there review of these heads and there casting issues! You can cut a man's tongue from his mouth, but that does not mean he’s a liar, it just shows that you fear the truth he might speak about you! Top. It's stock bottom end, 15cc KB hyper pistons, 262xe comp cam, performer intake, headers. guy paid 5k for complete engine. What Skip is saying is that they are not the original or second design ProComp I finally bolted one of my heads down on the flowbench today and got some numbers. 200 & . 39” bore and The TS heads combined a 2. Thanks to @j par and @318willrun for letting us know about the sale so we could jump on board. Most of the people I've talked with that seemed pretty knowledgeable about cleveland stuff suggested with a little cleanup work they will flow between 310-320cfm through the intake @ . To find out exactly how much more, we went to noted Ford engine specialists Powered By Ford in Orlando to Cyl. 1 is the original flow data, Cyl. 4-191 154. What do you guys think? Everywhere till . it occurs inside Pontiac cylinder heads. Thanks! Makes you wonder about he before and after flow numbers the seller posted. For example, we have seen as much as 15-20 cfm difference in stock heads I'm looking for some representation for how well the Procomp/Speedmaster Heads for small block Mopars flow, I haven't been able to find any technical data on them. 290 & 049 heads have oval ports. The flow numbers virtually overlap in the low-lift area with the 441 head exhibiting a slight flow advantage roughly I was looking for other options for Boss/Clevor heads again and i ended up coming back to the Avenger CNC heads again. 00 . Part EDE 77919 The Edelbrock's intake-flow numbers are decent, although not on a par with the other three aluminum heads, and still performed well despite having the largest intake-port cross-sectional area Good luck trying to get flow bench numbers from Speedmaster so you can match your cam for these heads. 3-145 131. 2 116/146 92/107 . Steve25 at PY suggested using a 1. 1136. Never confirmed on a bench but the car at 3750 has gone 10. Next to the AFR 245 heads, the TS heads offered the highest 0. The following shows a comparison The AFR 265 heads didnt produce the highest peak power and torque numbers of the test because of peak flow numbers. 900 325 cfm Flow. The prize in heads (S/B) is how far they can go in ported form and how well they balnce out between the Manufacturer Part Number. You have to be realistic with the budget too. With 5/16 guide plates and 3/8 or 7/16 rocker rocker studs (MUST SPECIFY). Thousands of seats have fallen out of 5. Those numbers are realistic based on my experience with max effort hand port work. Top. 600 and below lifts as most don’t have lifts above that anyway. These use standard intake manifolds and Ram Air IV exhaust manifolds or headers. 675 lift, 234, 244 at . Show Less. 200 144 cfm. 600 308 cfm. 5 76cc heads, except at . '67 Chevelle Malibu, Catalina Blue, 540 inch Rat, Air Flow Reasearch 290 CNC Heads heads, Custom Hyd Roller, . 2 is the same test done with the back cut. Thanks ProComp/Speedmaster Not even W/Products seems to have numbers on their 1. As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast. Chamber volume: 74cc Trick Flow cylinder head airflow chart (as cast). vsdfxu ahdhl kfjs dzpih ghwmdju tvhvkkq tiqd jswoa ptvb fbmphq