Speedmaster aluminum heads review reddit. Brand: Speedmaster Part Number: PCE281.

Speedmaster aluminum heads review reddit Very affordable for aluminum heads and were about 1/2 the price of TF. it was noted how much better the speedmaster casting was compared to the Edelbrock. And the Edelbrock heads too? That is the way I have interpreted your posts about this in previous threads. 1404 Part Type: Cylinder Heads Cylinder Head Style: Bare Cylinder Head Material: Aluminum Cyli Description . 2165 Part Type: Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Description . I'm just not convinced Pontiac heads should be the most expensive street type aluminum head that Edelbrock makes. it's all in the looks of the bezel insert. both heads were bareboth were newWont get them back until this fallboth are being ported with Ferrea valves and PAC springsI would say Nov 15, 2023 · Here's a little data on out of the box small block mopar Edelbrock 6077 and Speedmaster 1654 heads, side by side comparison, intake port for cylinder 2 or 7. Speedmaster Pontiac heads include valve sizes at 2. Mar 8, 2021 · I bought the 440 Source Stealth heads when building my 440. Standard valve sizes are 2. Brand: Speedmaster Part Number: PCE281. Feb 12, 2017 · hi guys ! Was looking for feedback on aluminum heads , basically brand vs brand . They do not come with push rod guide plates or rocker studs. head, use ARP #241-3701 (bolts) or #241-4701 (studs), and follow ARP"s recommended torque values. The Mopar aluminum have problems with valves sinking. Speedmaster Cast Aluminum Cylinder Head Small Block Chevy 350 bvseo-REVIEWS; bvseo Aug 6, 2019 · New articles New comments Latest reviews Author list Search articles. 1 inch as aluminum heads require a hard seat under the valve spring so there is some accommodation for that in the stem length (stem length is measured from the valve face to the stem tip). 1018Part Type:Cylinder Head CombosProduct Line:SuperStreet SeriesCamshaft Included:NoIntake Manifold Included:YesFuel Delivery Style:CarburetedIntake Material:AluminumIntake Finish:NaturalCarburetor Quantity:OneIntake Style:Single plane with dividerIntake Basic Operating RPM Range:1,500-6,500Intake Manifold Height:4. Speed master is an Aussie imported Chinese part. Second set is on a 75 Duster 360, it was a bare speedmaster cnc version that a competition valve job was done onit has run a best of 11. Aug 6, 2019 · Yea, not sure what I've bought with Speedmaster heads but honestly they seem alright so far I did go about 10lbs over what their torque said and using their stud kit as well. 1010 or Felpro #1008 head gaskets. check back in a week or two and he will have a review up for the edelbrock b/rb performer rpms. 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 Exhaust Runner:NoIntake Port Shape:RectangularIntake Port Jul 26, 2013 · I have Mopar Aluminum castings and Indy cast heads. Mar 18, 2023 · I think the things that get lost all the time when talking about trickflow heads is the quality of parts and machining. Intake Manifold Model (descriptive):PCE Brand: Speedmaster Part Number: PCE281. 08” intake valve without replacing the seats. The as cast Speedmaster heads will out flow performer RPM heads. I got valve jobs, valves, springs, ?seats, retainers, valve seals, guides checked for $500 something bucks (less than $550 I think) installed. Intake and 1. 11" Intake, and 1. The Stage 5 Heads that repop the factory boses are the ones to use. Nov 2, 2022 · this is a low use all alluminum bbf. 1005 (MLS 4. Speedmaster also has a large stock of accessories including apparel, safety equipment, and mirrors. Edelbrock has heads just for the small bore small block Chevys. Speedmaster accepts most major credit cards including Visa, MasterCard, American Express, and Discover. Buyers can also use PayPal service. Seems they are a fantastic street heads and some great reviews and numbers being posted with these heads in heavy street vehicles. The 440 with Stealth heads and a Comp XE275HL dynoed at 502 HP. The valve job is far superior to a speedmaster head and the most important thing to me is better rocker arm geometry from moving the rocker stands. Port volume: E-172cc, SM-175cc Average intake throat diameter: E-1. 680 in. Exhaust. Newer one is slimmer and more in line with the omega. Jan 22, 2023 · Machine work is pricey with little return on the iron heads. guy paid 5k for complete engine. I agree that the Speedmaster/ProMaxx heads are the best deal, although I haven't personally run the SBM or BBM ones. 1654 heads a try. Sep 18, 2020 · They seem to claim that the components listed here are better components in their heads than the ebay heads most sell. The stage V head castings are better made. 02" valves are standard issue, all of our 23deg. Maybe the spokesman for Speedmaster will chime in. 650 in. Speedmaster™ cylinder heads offer improved power throughout the rpm range for greater throttle response and top-end horsepower. There was a ton of info from December on them. 040 to 5. (And got a Dart piece instead). The heads - my machinist has done some work with them and his opinion is the aluminum castings actually aren’t that bad - but everything else needs checking/reworking. flat tappet heads are 1180ish for the 65cc chambers. 0 and it gained 75 horsepower, there was nothing done to the heads. With hemi's you can't fool around. You can use Speedmaster SM3274 or Fel-Pro 1416 header gaskets which measure 1. A member on A bodies, 318 Will Run, has allot of YT videos of work and parts he uses to make good running 318's. ProComp/Speedmaster aluminum heads. If you are looking to build a 400-500+hp engine, give our PCE281. 50" exhaust valves. They are on Summit for $1,225. Aug 6, 2019 · New articles New comments Latest reviews Author list Search articles. Jun 18, 2022 · Recently got a set of PCE281. They are a good street head with quality parts and proper set up for your application. chamber, and 254cc Intake throat and they are already machined for screw in studs. Jan 9, 2014 · There was a test done on AFR -165 heads on a other wise stock freshened up 5. So in April this year I ordered from Skip White his BBC aluminum heads. FORD 289 302 347 NKB-190cc ALUMINUM HEADS 60cc NKB-FORD-272 | Skip White Performance - We have the best prices you will ever find for aluminum heads, rotating assemblies and strokers The first two machine shops I called about the bear heads and maybe loading my stuff up into them said first off my valves probably aren't long enough or short enough or something for the aluminum heads? also one of them said they're known to drop their seats as well and quoted me something like $800 for new seats and guides? LOL on $500 heads! Oct 21, 2019 · The reason I have never bought a set of Edelbrock heads is because they are too damned high priced. Speedmaster Aluminum Heads. 68 Chevelle Convertible-454, 12" manual disc brake conversion, B-Body Knuckles, rotors modified to hubs for the Vette rotors, HD Suburban 3-5/32" piston calipers, 75 vette master, DOT5, (stops like my 9C1 4-wheel disc Caprice) Aug 6, 2019 · yeah, the BB speedmaster heads (that are available) are the copies of the Edelbrock Victor heads. 05 intake valve on a 71 Dart 360Ran has run a best of 10. 11" valves are standard issue, the valve seat can be machined to accept a larger valve with minimal work. Apr 16, 2014 · Says pushrod oiling. 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. he got 500 for his 5k engine. I checked them over well. To get a better understanding of the real-world performance and reliability of Flotek Heads, let’s turn to customer reviews and Sep 27, 2007 · I want good power in the 3000 to 7000 range, and am looking for a good out-of-the-box aluminum head with oval ports. 1489 heads a try. Sep 18, 2020 · Not sure these SM heads I have are the right ones for our particular build. Speedmaster performance aluminum cylinder heads are also available for the Big Block Ford enthusiasts. Story (feel free to skip this section): I'm a music producer. Speedmaster head thread index SpecsBrand:SpeedmasterPart Number:PCE281. Just look at the current prices and for a set of hyd. May 20, 2020 · I got 2 sets in useone set was hand ported by IMM with 2. Prop 65 Warning Feb 9, 2019 · The ProComp/Speedmaster have been through several generations each getting better. 2. But looks like maybe the heads are drilled for rocker shaft oiling. 827 Throat diameter to valve diameter ratio: E-89. I used 2 of the long bolts on each head. a pair, that a pair of $900. Jun 15, 2023 · However, it’s important to note that proper installation and maintenance are key to maximizing the longevity of any cylinder head, including Flotek Heads. 05" intake valve with minimal additional work. LOL. Nov 21, 2019 · 68 Chevelle Hardtop-11. So the price savings was a wash as I pu Jan 19, 2017 · I looked up cylinder heads on You Tube & saw alot of interesting stuff. Shhhhh. They are reasonably priced just over $1000 for a pair of 190cc with 62cc combustion chamber. 2103 by Speedmaster, claims they are 64cc comb. This casting process creates a much more uniform and robust cylinder head. 11" valves are standard issue, the valve seat can be machined to Brand Information . I think the heading was " Don't bolt heads right out of the box " I'm looking at heads too, and I cannot be convinced that when the well-known brands like Edelbrock, Indy, Dart, etc. Plus intake work As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast . I actually have more thread into the block than my son did with ARPs on Edelbrock heads. 00 delivered to my door. Note: Valve guides on these heads must be reamed to 11/32" to accept the recommended valves. For the new Speedmaster PCE281. are all fair game here. There were killer sales on them for Black Friday like 40% off I think. 1071Part Type:Cylinder Head CombosProduct Line:Street SeriesCamshaft Included:NoIntake Manifold Included:YesFuel Delivery Style:CarburetedIntake Material:AluminumIntake Finish:SatinManifold Carburetor Quantity:OneIntake Style:Single planeIntake Basic Operating RPM Range:3,000-7,500Intake Manifold Height:6. Aluminum alloy, lower end webbing, and computer analysis to verify integrity is essential. 816, SM-1. Intake Manifold Model (descriptive 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. the engine-airlocked first few mins it ran got up in Temp but then It cooled off and seems fine even few months later no complaints about the heads yet. and those have been around and used on enough builds to know what to expect. Their rockers are solid. There was a thread on YB about this block and there was one guy who’d aquired one and commented on the quality after inspectino & measuring. 1714, PCE281. Small Block Chevy heads are available with Straight or Angled sparkplugs. Jan 12, 2022 · Does anyone know if these are decent? They are the only heads I can find available right now. Apr 17, 2024 · There are cylinder heads, oiling systems, fuel pumps, valve covers, differential carriers, and many more. 92/1. 055 gasket bore) Fel-Pro 1013 (Composite 4. aluminum heads can accept a 2. Everything is back ordered for months by Trick flow, AFR, etc. The short stroke 340 really benefits from the long tube headers torque gain. He said «it was all over the place» and returned the block. Are the bolt holes heli-coiled? Nov 28, 2020 · I was looking at getting a 351W aluminum Speedmaster block. You need offset rockers arms for them and they have that big raised pad on the intake side so that a factory type intake will fit. 1740 Part Type: Cylinder Heads Cylinder Head Style: Bare Cylinder Head Material: Aluminum Cylin Description Product Description. Thanks, Smitty PS I would consider square port heads toojust need some direction Aug 1, 2023 · Speedmaster has cylinder heads available in as-cast or CNC-ported versions. Our Heads Flow 289CFM As Jun 15, 2020 · I just wanted to share my experiences with these heads so others can evaluate what I dealt with and decide if they are worth their investment. Dec 28, 2023 · I have stock head bolts with Pioneer washers on my Procomp (Speedmaster) heads. Examination of the castings, ports, fit/finish with evaluation of the work needed to get them. Oct 25, 2018 · I bought 2 sets of the bare, Chinese (Speedmaster formally pro comp) aluminum cylinder heads-for less expensive than half price of new heads assembled. Speedmaster Small block porting tips and results Part 1 My home inspection of Speedmaster heads What Are Your Plans For Your Black Friday Speedmaster Purchase? Headers used with Speedmaster heads Speedmaster CNC chamber cc's SPEEDMASTER ALUMINUM HEADS Speedmasters Pushrod problem with Speedmaster heads Speedmaster heads part 2. I have a pair, the castings are decent. I know there are a lot of opinions out there but that doesn't help me ! Feb 11, 2023 · Hey gang, What ARP part # are guys using for speedmaster heads? I ordered 144-3601 for use with Edelbrock performer heads, those should work correct? Oct 20, 2024 · SOLD New SM heads #PCE281. 1726 cylinder heads use the following head gaskets for use with 351C block: Speedmaster PCE348. 1556Part Type:Cylinder Heads Cylinder Head Style:BareCylinder Head Material:Aluminum Cylinder Head Finish:NaturalCombustion Chamber Volume (cc):62 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):190 ccExhaust Runner Volume (cc):n/a CNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:RectangularIntake Port Location Sep 26, 2024 · The LD4B will run rings around a performer intake. Any suggestions would be appreciated. $3XX something a piece. In my opinion, they're a great alternative to re-working D0VE/D3VE iron heads, and performance is about on par or even a bit better when compression ratio and weight advantages are realized. There are multiple threads on these if you type it in the search bar. They are Procomp heads. Cylinder Heads Suggested Parts Head Gaskets Due to the popularity of the Small Block Ford engines, there are many different bore size gaskets available. has C and C motorsports aluminum block,4. Any insight greatly appreciated. Anyone know for sure? Will need to oil the rocker shaft/rocker arm contact somehow. 2075Part Type:Cylinder HeadsCylinder Head Style:AssembledCylinder Head Material:Aluminum Cylinder Head Finish:NaturalCombustion Chamber Volume (cc):95 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):275 ccExhaust Runner Volume (cc):90cc CNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape: RoundIntake Port Location While the 2. - $3,000. The complete heads say 2. 065 which of course is a bit more than . At $1300 with valves and guides looks like it may be a good deal. Just not sure about the Speedmaster name! Feb 8, 2024 · As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . That eliminates porosity and durability issues and makes for a dimensionally-accurate cylinder head. The Gen 2 heads use more refined Ricardo style chamber but kept the older and sloppier porting, so these chambers right away say these are Gen 2 or later. All-road, crossover, gravel, monster-cross, road-plus, supple tires, steel frames, vintage bikes, hybrids, commuting, bike touring, bikepacking, fatbiking, single-speeds, fixies, Frankenbikes with ragbag parts and specs, etc. Full visual inspection, disassembly and measurement of the critical parts – runners and valve run Apr 22, 2021 · 65 cc heads are just 63 cc heads machined to clear pistons. 1776 4-cyl. chinese VALVES are not to be trusted. With the increasingly large displacements becoming common, the need for more airflow is necessary. The price is so right on these and even if they need a valve job, they’re still way cheaper than what I usually use. 19 in Vegas, this engine does not have the same quality parts as the other 360 does. 1 intake valve diameter, but the bare heads say 2. From a tq/hp standpoint, especially in the 450-500hp range, I don’t think that there would be much difference between the two. Jan 13, 2014 · Stock being 4. Forget the shorty headers, go with long tube headers, the torque/HP difference is a bunch, and small block fitment/clearance is not an issue at all. 02/1. buy bare castings and put manley or ferrea valves in with compcams or better springs, locks, etc. TLDR For me the Omega Speedmaster (3861) is the watch I could live with the rest of my life. Oldsmobile heads are available with OEM sparkplug location. 1703, PCE281. The aluminum heads are gravity die-cast from heat-treated T6 aluminum. 072 in. These heads are for the 521” big block Ford going Mar 3, 2020 · I bought a bare set of CNC headsadded their intake and exhaust valveretainers and keepers too. Customer Reviews and Experiences with Flotek Heads. 00 for a pair. SpecsBrand: Speedmaster Part Number: PCE281. 1 longer valve ranges from 5. Jan 14, 2020 · Review of the Speedmaster big block Chevy oval port heads. All said and done I have about $400 more into the Stealths. Dec 20, 2021 · I disassemble a new pair of aluminum cylinder heads from Speed Master 79 and conduct a detailed analysis Speedmaster LS-series cylinder heads are rapidly expanding. 2034 Speedmaster heads. 787 SpecsBrand:SpeedmasterPart Number:1-281-002-01Part Type:Cylinder Head Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):62 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):190 ccExhaust Runner Volume (cc):n/aCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:RectangularIntake Port Aug 1, 2020 · I have also run MoPar Commando aluminum heads (which actually have equal or better flow potential as the Eddys and a better exhaust port, IMO), but they are hard to find. Some of our CNC ported heads (PCE281. Kit Includes:Aluminum Cylinder Heads 746-PCE281. 60" Exh Brand Information . In fact, I've had way more quality issues with other more expensive alum heads. Find Parts and Accessories speedmaster aluminum heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Sep 23, 2023 · Not going to regurgitate any technical information on here. 041_ thick, MLS) Speedmaster/ProComp aluminum cylinder heads for the Pontiac V8. 1800 Part Type: Cylinder Heads Cylinder Head Style: Bare Cylinder Head Material: Aluminum Cylin Description . If you want more horsepower start with a better head. 66" While the 2. Sep 18, 2020 · New articles New comments Latest reviews Author list Search articles. Jan 11, 2022 · The review was spot on and nothing we haven’t heard a thousand times on this site. Our cast iron heads use 1. Prop 65 Warning Speedmaster Pontiac heads include valve sizes at 2. I've used a few of the lesser known cylinder heads on my own stuff, in my experience ProMaxx is a decent head to get as a bare casting. Speedmaster cylinder heads offer great performance for less than it would cost to rebuild an old set. 020" Intake, and 1. The LS (Gen3/4) platform has many design benefits over the earlier SBC engine designs, mos Specs . . 911 inches the . Aug 6, 2019 · The SM heads are just copies of the Eddy’s. 041_ thick, MLS) PCE PCE348. AMC and olds heads are significantly cheaper from Edelbrock than Pontiac heads are. Jan 30, 2023 · I didn't know Speedmaster/ProComp still offered aluminum heads in oval port. Speedmaster Cast Aluminum Cylinder Head Small Block Chevy 350 w bvseo-REVIEWS; bvseo SpecsBrand:PCEPart Number:PCE435. The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. 2092 Part Type: Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Description Jun 29, 2022 · This is just a thought for your heads questions. 600 bore,4,500 stroke lunati crank,oliver billet rods,je pistons with a small dish,gives approx 10,7 to one compression. 62 150cc intake port 60cc exhaust port The stem size is 8mm, stock magnum. heads are what I want on May 7, 2022 · After many many videos we did on these heads, we are at a point to share our final (hopefully) assessment. The roller heads are 1820! I already have a set of springs from my cam kit; is Sep 23, 2021 · Chevy SBC 350 190cc 64cc Straight Hydr-FT Complete Aluminum Cylinder Heads. They peak 245 cfm, but the low lift numbers are horrible, garbage. These things, as plenty of you know, are sold a lot of places and under a number of different names. With bigger displacement engines becoming more Brand Information . I would go straight to the trick flow heads. As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are "Gravity Die Cast". It would be awesome if edelbrock and afr were to offer cylinder heads for the 318. 4L/454 Chevy big block Mark IV Speedmaster As-Cast Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Speedmaster as-cast cylinder heads offer improved power throughout the entire rpm range for greater throttle response and top-end performance. If your goal is 450-550 HP you cant go wrong with either. This is an adventure-biking sub dedicated to the vast world that exists between ultralight road racing and technical singletrack. Reddit Pinterest Tumblr WhatsApp Email Share Link. May 2, 2016 · Years ago when I was still at the head shop a guy had a set of Pro Comp heads on a small block Chev he dropped a valve so we had to replace a cracked guide, weld the damaged chamber and fit a new insert the castings didn't seem too bad but I guess they don't make as many Chrysler heads so maybe haven't sorted out all the problems yet. 05" Intake valves. 600" OD of outer spring: 1. CNC Ported heads in this application will soon be available. Nov 25, 2021 · They are 1. Prop 65 Warning Casse finishing 9/10no flaws and very nice brushing and polishing Crystal / 9/10sapphire domed tophat. Sep 18, 2020 · The Speedmaster seemed to be finished better, just needed some blending. The cost to port iron heads to the OOTB Edelbrock level is t justified IMO unless you WANT to run ported iron. minus a point for no AR coating All Speedmaster 18deg. 19 (T). I wish that afr made cylinder heads for the sbm's. 055_ Bore size . All Speedmaster 23deg. I'm not considering max wedge style heads , just std port design . I’ve always bought heads that were loaded but always had my machine shop go through them to make sure. The following is a small list of gaskets we recommend for use with our SBF cylinder heads: PCE PCE348. If the CR isn't high enough with uncut 63 cc heads, they can be milled without affecting your quench clearance. One would be in a better situation with an aluminum block that was designed and had extensive testing to verify it’s longevity. We take the proven Speedmaster Head castings and fully CNC Port them. 185_ Bore size . I bought a set last year for 695-ish. Here's my straight to the point and realistic (casual) review of it. they have gotten better. They cost a little more than the Edelbrock heads but offer more all over. Oct 4, 2021 · I am getting ready for the "hopeful" black Friday sale this year for a set of speedmaster aluminum heads. fully ported by kaase motorsports p51 heads,kaase specd comp solid roller cam,280-288@ . Aug 2, 2022 · I do know a guy that bought a set of cheap procomp heads off of ebay that had those black colored valves and one failed in a short amount of time like mentioned but luckily an old short block and they didn't really look like anything special as far as ports and combustion chamber , anyway same guy bought a new set of Speedway heads just in the Jul 7, 2019 · Just a week agoI dropped off two sets of aluminum heads at the machine shop a few hundred miles from Vegas. Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. 1657 Part Type: Cylinder Heads Cylinder Head Style: Bare Cylinder Head Material: Aluminum Cyli Description . Even more so when you make the move to aluminum heads. Thanks in advance. As with all Speedmaster cylinder heads, our Big Block Chevrolet heads are Gravity Die Cast . 050,. May sell them and dump the money into another set. Then we add Howard's Hydraulic Roller Valve Springs and Retainers and Comp Cams 10-degree valve locks, Speedmaster guide plates and ARP rocker studs for an unbeatable combination of value and performance. chinese castings used to be junk. 250" 10* chromoly spring retainers & locks w/valve stem seals SpecsBrand:SpeedmasterPart Number:PCE281. 2152(2) Ultra-Seal Head Gaskets 720-5788GIntake Manifold Gaskets 555-210700Exhaust Header Gaskets 555-210750Valve Cover Gaskets 555-210770Head Bolt Kit 070-180-3600Rocker Arm Studs 555-20584High Energy Rocker Arms 249-17044-16Pushrod Guide Plates 350-9668. Some people swear by Speedmaster but the quality has always been spotty in my experience. 89 (W) x 2. Speedmaster as-cast cylinder heads are designed for entry-level street/strip applications and are available Nov 2, 2023 · The 496 BBC on my '56 Sedan Delivery came to me new with a Speedmaster single-plane intake manifold, so I'm looking at Speedmaster aluminum cylinder heads from Australia. The intakes are OK - usually need some light cleanup. 100 gasket bore) SpecsBrand:PCEPart Number: PCE435. Gen 1 of their heads is what I think is on Stan Weiss' data sheet. Prop 65 Warning Mar 11, 2021 · But the taking of an old BBC design and just changing material to aluminum is not an optimum design under stress situations. 1008 (4. I’m happy someone is putting mopar content up with real data for once…. This casting process creates a more uniform and robust casting. even looking at E-streets. What's the part number? Mar 3, 2020 · Found a pair of new ones for a good price. SpecsBrand:SpeedmasterPart Number:PCE281. Save Some Weight, Money And Gain 49CFM. While the 2. i almost bought a blown 496. He isn’t a Chevy guy, he’s a head porter and can’t control what comes through his shop. You cannot run this head ootb. Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. HEAD GASKETS The Speedmaster PCE281. all run $2,000. 94" intake valves, and 1. 620 valves 11/32 valve stems Std rectangular intake port 170 cc intake runner volume OEM exhaust port Dual valve springs for max valve lift: . 1654 Aluminum heads, we only recommend using Speedmaster PCE348. 060 in. Casting seems flawless, bolt and spark plug holes all in alignment, with gaskets, and all threaded properly. 2146 65cc chambers 2. Apr 23, 2021 · speedmaster is a chinese head. There are a few reports on You Tube about Speedmaster Aluminum Heads that work well on the 318. 9% Sep 11, 2021 · Chevy SBC 350 205cc 64cc Angle Hydr-R Complete Aluminum Cylinder Heads. I ended up replacing springs, retainers, keepers, seals, and having a cnc port done on them. This is for that guy or gal on the fence for a Speedmaster. If your pistons are zero deck, then I'd run the 63 cc heads, with whatever thickness gasket will give you the desired quench. 85@115 on Dunlop GT Qualifiers, through mufflers. 331 sbf from Speedmaster aluminum heads small block ford REVIEWS; bvseo-PRODUCT Find CHEVROLET 7. Has anyone purchased and/or installed a set of Speedmaster Chevy BBC 454 320cc 119cc Solid Roller Assembled Cylinder Heads? Mar 8, 2023 · Just to clarify, the intake seats that come in the Speedmaster heads have enough thickness to machine for 2. the hash marks for the tachymeter go right to the Inner diameter of the insert, while the old on the hash marks are kind of floating in the middle of the insert. I'm looking at pro comp , eddys , renegade , 440 source , that's really a tight price range and frankly , what I can afford . pro comp heads, an intake valve head popped off in his driveway at idle. eddy heads are that much trick flow 2200 dollars Oct 23, 2023 · Most buy them on Black Friday right from Speedmaster themselves for 40% off. 2039 Part Type: Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 119 cc CNC-Machined Combustion Chamber: Yes Intake Runner Volume (cc): 320 cc Exhaust Runner Volume (cc): n/a CNC-Machined Intake Runner: No CNC-Machined Exhaust Runner: No Intake Port Shape Aug 25, 2021 · Ford SB 289 302 351W 190cc 62cc Hydr-FT Complete Aluminum Cylinder Heads. One person showed a cheap head & the leakage from the valves. bought PAC 1903 valve springs since that is what i use for Flat tappet camspaid the local machine shop to do a valve job and assemble themall said and done i have 1500 invested. Specs . Sep 11, 2014 · I've built and used several sets, and never had any major issues. 1724 and PCE281. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. Oct 4, 2014 · Has anybody used these heads? I was poking around on Ebay and found these Iron 4V heads, part# PCE281. HEAD BOLTS / STUDS For the PCE281. 1007 (4. 50s in Las Vegas. Pontiac heads include valve sizes at 2. 1354-1448) are designed around 2. vmyzwbk cqrjc jaoo zapw wnbmnr olmoxb smkmq dtlsodu lcxqsmd uhcz