351c 4v heads They are chocked full of mis-information and poor choices. 04-inch intake and 1. It’s a great compromise between 2V and 4V. 00 Spring Options Upgrade Rocker Arm Studs to a 7/16″ This option is NOT available w/ bare heads Oct 1, 2020 · Topping our . deck height and Cleveland-style cylinder heads. Both heads have a 9K18 date code. B2 heads are quite common since many were sold over the counter back in the day before AFR and others started making sbf aluminum heads. Apr 9, 2007 · Grabber Green \'70 Mach I 351C 4V 12. This combo should Feb 2, 2014 · Also, the motor did have a 4v cast iron intake and the 4v heads that are marked with a 4* (4 dot) in the corners. 58 AP-29T-E 351M/400M Blk, TFS HD, Edelbrock Int $432. Open chambered 2V or 4V heads will bring you around 9. Also, using pre 1975 400 heads or 351C-2V heads is an easy way to improve exhaust flow since they have a less restrictive Unlike the 351W that preceded it, the 351 Cleveland had unique cylinder heads for each carburetor variation. With minor machining, the heads also fit Ford 302/351W blocks to create a “replica” Boss 302 or a 351 “Clevor” engine. Does anyone have personal experiance or know a friend who has personal experiance, good or bad? The heads are pricey at $1800+, so I do not want to make a mistake. The car with a doug nash trans and a 9 inch went 10. 7- to 77. 600 so I'll have those figures next week. Q: The typical Cleveland build up - with stock displacement, 4V heads, roller cam and roller rockers seems to yield 400-425 horsepower on the engine dynos (i've seen several magazine build-ups). I mainly wanted to see what they would flow at . The 351’s design reflected its performance applications, with impressively free-flowing heads, high compression Mar 19, 2023 · IMO, run the 62cc heads. So I figure that a closed chamber 4V heads combined with the port plates may make a nice combo for the Nov 5, 2024 · Identify a Ford 351 Cleveland by its wide heads with canted valves, casting number near the starter, and “2V” or “4V” intake markings. In this short video I talk about Ford 351 Cleveland 4V 4 DOT Cylinder heads. Quite a poor comparison but the episode was all to basically tout the Edelbrock heads on the W. Ford 351 Cleveland 4V 254cc 64cc Hydraulic Flat Assembled Cylinder Heads | MPN:PCE281. Like the entire engine setup as it is strong but looking for some more compression. 73 titanium valves. Intake: 329. But a nice set of b2 heads can be had for about $1000. Stopcocks are sized at 2. 8 @. . 700 since thats 351 Cleveland Power kits We have taken the guess work out of getting the most bang for your $$. 32 at 111mph 1. That will help. Jun 1, 2006 · Early 351C-4V engines were fitted with closed-chamber (61-64cc), large-port heads. 74 AP-29TFS 351M/400M Blk, TFS Hd, TFS Int $432. You can mix and match the 2v heads to an aftermarket 4v intake if it is cast for that purpose. 7-cc chambers) net 9. The Performer LB 351C-4V manifold is designed for 351C engines with the factory 4-barrel heads. 71 inch valves, and the chambers measure out at 62. com The Performer LB 351C-4V manifold is designed for 351C engines with the factory 4-barrel heads. The cylinder heads had massive 21/2-x13/4-inch intake ports and the valves for the 4V Get the best deals for 351C 4V Heads at eBay. Jul 20, 2008 · Will 351C heads work on a 400M block?right on, but the CHI manifold is made for their heads which the intake ports are raised . Dan: Don't rely on magazine build-ups. 19"/1. Sep 4, 2009 · Was thinking about trying to track down some 2v heads for my 351C (current = 4V). I will have the heads of so I thought that I would get some mild porting done on the heads while they were off; some bowl work Mar 20, 2009 · I know a guy who had an 84 mustang with a . 351C-4V head, coupled with the smaller 351C-2V ports. My cars a factory Explore a wide range of our 351 Cleveland Aluminum Heads selection. Shop now for fast shipping and easy returns! Cylinder Heads Ford 351c Cleveland CNC -Bare Set $ 1,850. The 3V head has the airflow potential of the 4V head with 2V port sizing. I've added an Edelbrock intake, AVS2 carb, and FPA headers (still waiting on the exhaust). time Robin Egg Blue \'79 Fairmont 408C 4V 10. 1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished. I am set up like Sheriff41. Jul 31, 2009 · 351c heads on 400c Yes it can be done and as said in on another reply the 400 heads or basicly the same as 351c 2 barrel heads. I will be putting a new cam, intake and headers on the engine. Can the Performer 2750 be used on 4V heads?. 15 valve better suit a 4v head? What sort of head do you have because the 4V is supposed to be 2. Is there any advantage and can I swap heads to the cc without changing pistons? Assuming I can do it (I am not sure if the 1973 Aug 2, 2004 · Since intake manifolds are made specifically for the M-block, the only reason you’d need the adapters is if you wanted to use the 351C 4V cylinder heads (which have much bigger intake ports than the 351C 2V or M-block heads) and a 351C 4V intake manifold. There is no way a 351c 4v intake would work on a 351m/400 block with no spacers. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Get the Best Performance with Speedmaster PCE281. 351C with quench chamber 4V heads, adjustable valve train, roller cam ground to Boss 351 Specs by Cam Research, an Edelbrock Performer RPM intake that reduces the intake port size and a Pertronix 1 electronic conversion. Jan 27, 2010 · 335 Series- 5. 6/400, 351 Cleveland - 351 cleveland heads on a 400 - I have a 400 and was wondering what benifits would come from putting 351c heads on it i know it's possible but what would it help and what makes those heads so great? Apr 6, 2006 · Does anyone know the maximum valve lift on a stock 351C with early 63cc quenched 4V heads and flat top 1 eyebrow pistons ? 1. 8 headers. 351C Cylinder heads are hands down best bolt on power upgrade for you. call Dec 2, 2021 · Standard 351C 4v and 2V heads have non-adjustable stamped steel rocker arms. CHI’s Ford pro Series cylinder heads represent the ultimate in small block Cleveland cylinder head performance! With an intake port a full ½” higher than existing 3V head,s only Ford Yates D3 or Sc1 heads can compare on performance. The 2v heads are good heads for street use and probably make more power initially however by 5500 rpm the 4v's should have shown much more power gains than this test showed. 65 valves and 185cc intake ports. 38-inch exhaust ports. Oct 12, 2020 · So now that you have the "cool" heads, yep, ask yourself what your goals are. Port size - 2. 05" intake and 1. 60's all day long. 19" std. 2103 parts at JEGS. No, don’t port them if you’re looking for a street-friendly build with good torque and drivability at lower RPMs. 0:1 or 9. 020 over wiseco pistons 11. In another #4V #351C #4DOT #3514V G'day guys, This is the Video about 4V heads I mentioned I would make in my last video. How to Build Ford 351 Clevelands: Copression Ratio- Covers guide for Engine Building and Performance Updgrades to the 351C, 351M, 400M Ford Cleveland Engine. 1K views 9 replies 5 participants last post by Kato Engineering Jul 30, 2007 B AP-35 Intake Adapter Kits Jan 31, 2006 · 335 Series- 5. 8 cc's. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Buy Direct from Speedmaster™ with Fast Shipping. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Aug 21, 2015 · Edelbrock Performer 351C-4V aluminum intake manifold (with port and plenum work by Dave McLain) Closed chamber 4V Cleveland heads Valve job, hard exhaust seats and resurfaced, machined for Viton seals intake and exhaust SI stainless valves in stock 2. What you get from this dual-plane manifold is the Holley 4150/4160 baseplate flange pattern and long, high-ceiling intake runners that improve low- to mid-range torque. Dec 25, 2007 · The 4V head has the same port size as the Boss 302 head while the 2V is considerably smaller. 02 x 1. 2166 | UPC:840136532439 Jun 30, 2007 · ID on a 351C 4V heads? Jump to Latest 9. Some pitting but will clean up with normal machine work. Local pick-up up only. Dec 20, 2011 · The A331 high port intake that matches A3 heads (looks like an Edelbrock Torker but with raised port floor) will be a decent match to a port stuffed 351C-4V head. Dec 6, 2009 · Hi, I need help ID'ing some Cleveland heads. 100 lift up to . I ever paid attention to casting numbers before because I've mostly been into stroked Windsors and AFR heads. This is for an NA application 550-650hp either 358 or 377 ci. Maxx 351 4V Cleveland (SOLD IN PAIRS) $ 1,667. A "4*" (4-dot) is the 4V open chamber head. I show The 351C-4V open chamber head is the least desirable of all 351C heads. The BOSS 351, 351 High Output, and BOSS 302 heads sport screw-in studs, fully adjustable rocker arms, and guideplates. The difference can mean an 11. 11 AP-29G with gaskets $431. To put the 4 barrel heads on the 400 you will have to come up with Intake manifold spacers that will allow the bigger ports from the intake (4barrel size) to match the heads. Not only do you get more performance out of the box than OEM heads, but they retain the stock look. 5:1 compression depending on piston selection. We tested the Edelbrock Performer with several spacers on the 351C dyno mule. If you require any work done on Cylinder heads then my experience (30 years) and labour are available. Valley width is 6-31/32 inches for the 1970–1974 351C only. Aug 17, 2008 · I pulled a set of 1970 351C 4V heads off my shelf in the garage. Most heads had 2 valves per cyclinder regardless of whether they were 2v or 4v. Anyone installed roller cams into a cleveland? I would like to build it to rev May 30, 2012 · Though my '73 Mach-1 us an H code (2v) heads, I was told the engine had been rebuild with an hydraulic roller cam and 4v heads. 42" x 2. Basic cylinder The 351C-4V was marketed as a high-performance engine, featuring the 4V large ports heads with closed "quench" combustion chambers. I'm right at 10. The heads are available fully assembled or as bare castings. So if it is blank, you will have aussie 2V or '70 4V (closed chamber) heads. Some 351C-4V heads have the 61- to 64-cc wedge chamber (1970–1972) and some 351C-4V heads have the 74- to 77-cc open chamber. The intake and exhaust manifolds are different between 2v and 4v. If you check on many mustang/truck/bronco related forums open chambered Cleveland heads are considered to be bad Feb 17, 2025 · Conclusion: Yes, port your 351C 4V heads if you're aiming for higher horsepower and high-RPM performance, especially if you’re building the engine for racing or performance applications. 5:1 compression with open chambered heads ARP head studs and main bolts as well as ARP rod studs 4v open chambered heads with port matched intake runners Australian funnel web intake Special grind solid lifter cam will give cam card and adjustment specs to buyer Roller rockers with Oct 3, 2024 · Given the bottom end and carb size being the same between the 4v Iron, 3v 208 and 4v 228 chi heads, would there be a power difference that would move the cost benefit ratio in to the aluminum heads favor compared to just porting the iron heads that are already on the car? Jan 7, 2015 · Yes, there is a myriad of different supporting hardware items required in the comparison between 2V heads and 4v heads. Sanderson Headers for Ford 351C Cleveland and 351/400M Big Block V8 engine applications. These are new castings, modeled off OE castings for factory fit and finish. This is an excellent high-revving street/strip head for those who want iron heads. This intake can also be used with FE ford engines with the right adapter Dec 16, 2003 · WEll on the old 315 2v or 351 4v engines the 2v and 4v denotes the size of the head ports. Sep 8, 2020 · 335 Series- 5. The 4V 351 responded tremendously well to the smaller intake port. The 351 Cleveland featured many advancements, especially in the cylinder heads, which were patterned after the 429. No worries, as this situation was easily cured with a little machine work. Shop Now at the Guaranteed Lowest Price! Jan 11, 2022 · Hi Everyone! Just would like your thoughts. Ford 351 Cleveland 4V 254cc 64cc Hydraulic Roller Assembled Cylinder Heads | MPN:PCE281. Jun 16, 2021 · I'm slowly building up the engine in my '73 351C 4V Vert. 2" for the 351c and 10. They are unported. Sold as a core, needs thorough cleaning and rebuilding prior to use. Jul 19, 2010 · The 4V Cleveland heads were designed for top-end horsepower and the engine came with a four-barrel carburetor. Overall, all 4V heads, including Boss, High Output, and Cobra Jet, all had the same port sizes. My cam is a Howards roller, and calculates out to 8. The numbers I see are on one OF22; the other is 9k25. The FC4 header fits many other applications. I dont mind adding octane boost to the 93 Sonoco as this is a Jun 3, 2003 · I just had my 351C 4v heads flowed yesterday. 65-inch intake ports, followed by 1. Our backup engine had "Aussie" heads on it and it was potent also. The 71-74 351C 4V heads, like the 2V heads, will not give your engine enough increase in CR to warrant changing your heads. 500 in. Ignore the filler Jul 5, 2006 · Hi Guys, I have a 351c, 4v engine in my car and I am considering the new edelbrock performer rpm heads. Oct 18, 2010 · I'm refreshing my stock 2V 351C and bolting on a set of closed chamber 4V heads, Edlebrock intake, HEI distributor, Cloyes True Double Roller timing chain/gear, and I'm considering using an Xtreme Energy XE262H Hydraulic Flat Tappet Camshaft, Lift . Aussie heads will be "blank" too. The 2V head, as its designation indicates, has the 351C- 2V (2-barrel) port configuration. Now to make it run correctly - cam - dizzy - timing gears/chain and High compression pistons. I have read a lot of good information already and wanted to see if there was anything else I should know before I begin. Designed to work with the 351C, 351M, and 400M, they feature very streetable 190cc intake runners with 2. 700 The guy checking the flow didn't have time to check them @ . I would guess gas milage may improve as well due to the smaller size. May 2, 2022 · I was thinking of using 351C 4V CC heads on my next boss 302 build. Balance it & install forged pistons. For the street, get some open Sep 23, 2019 · In my quest for power I've recently purchased a nice set of 4v heads for my Torino. I hear they build more low end torque and are better for off road. Jan 19, 2007 · Spacers are required when using 4v heads on a 400 (M). Originally a standard 4V 351C, these 1971 heads featured the desirable (smaller) quench chambers, but missing was the adjustable valve train offered on the solid-cammed (hard to find) Boss 351 heads. These parts don’t work together! 351 Cleveland race engine 351 Cleveland cobra jet 4 bolt main block that is filled . Install a cam with similar specs to the 1971 351 boss motor. 6/400, 351 Cleveland - 351c 4v head question - anybody happen to know the intake runner lenght and/or displacement on 351c 4v closed chamber The FC4 header set fits Ford 351C, 351M, and 400 engines in 1969-73 Ford Mustang. 2103 Cast Iron Cylinder Heads Ford 351C 4V w/ Hydraulic Roller Camshaft PCE281. 74 AP-30 351M/400M Blk, 351C 4V Hd,351C 4V Int $398. Pictured from left-to-right are the Blue Thunder high rise dual plane for 4V heads, the Edelbrock F-351 for 2V heads, the Edelbrock AH-II for high port heads, and the Edelbrock/Ford Motorsport A331 for high port heads. Oct 23, 2017 · The flat roof of the exhaust port was designed to bounce exhaust gases, but apparently that idea didnt work out, for by December 1972 Ford's contractors Bud Moore Engineering and Gapp & Roush were selling 351C 4V heads with drastically modified exhaust ports known as high port cylinder heads. I don't believe there is any difference in the ports on the quench chamber 4V vs the Boss Heads Nov 28, 2005 · The "4" is regular 4V closed head. Pulled one set of valves, and really looked at the intake ports. 6/400, 351 Cleveland - Using the Cleveland 4v heads on a 400 - After searching the message board, I found a company that makes port plates (which reduces the port sizes) for the 351C 4V heads. 25 Trak-Loc gears. Jan 16, 2002 · 335 Series- 5. Also, the testing was through a full exhaust Aug 17, 2023 · Can you spot the error? Mid-1970, the new 351 Cleveland replaced the 351 Windsor. The RPM Air Gap has a port size of 1. Mar 18, 2022 · The 4V heads have an rpm band of say 2500-7500 on a 351, that's intended rpm band, not the stock combination that has a low rpm intake and cam. Were the 4v heads getting enough fuel? Buy Direct from Speedmaster™ with Fast Shipping. I think the Edelbrock heads have a pretty small combusion chamber like the stock close-cahmbered 4V heads. May 19, 2015 · Re: Looking for a few tips on porting 351c 4v heads by RL » Tue May 19, 2015 5:32 am thomas butt wrote: I am beginning to think you need 420+ ci for the 4vs to work efficiently unless you want to rev to 8,000 Would a 2. 580/250*, strip domi, 750 dominator carb, and 1 7. (Image/Jim Smart) Buy Direct from Speedmaster™ with Fast Shipping. Jul 2, 2011 · Another thing I saw a pic of the 4V heads with the exhaust side milled and and the alloy high port plate in their place. These 1971 heads got us half way to our performance goal, by featuring the desirable (smaller) quench chambers. 67-inch exhaust. Performance Cast Iron cylinder heads are designed to be a direct replacement for your worn or cracked heads. 58 70' 351C closed chamber 4bbl heads. However, the 70-71 CJ (Cobra Jet) 4V heads will give your engine a considerable increase in CR. Never been used but has been mocked up on a 400 Ford with spacers. Total Performance stocks the best range 351 Cleveland heads for sale. I would like to install a roller cam system instead of the solid lifter setup. My cars a factory The other is Australian 302C and 351C heads, which have the smaller wedge chambers we find with the U. S. Look at it this way, the Boss 351 engine is known for being a high performance Cleveland engine. 1103 Compatible with Ford 351 Cleveland 4V 254cc 64cc Cast Iron Bare Cylinder Head: Cylinder Heads - Amazon. You can convert heads with non-adjustable rockers to adjustable by having the pedestals machined down and tapped for screw-in studs. So the reason you hear that Cleveland's have no bottom end is the mismatch of stock parts, and almost every build you know of, keeps some of those low rpm range parts. A very rare Ford 3x2 barrel dual plane intake for the 351C-4V. 60" exhaust valves that provide more than enough volume for outstanding power to 6500+ rpm. Open chamber 2V and 4V heads (74. 030 over flat tops,balanced and torqued to Ford specs,heads and spacers,and intake port matched and polished,racing water pump,and 2. Find top brands, exclusive offers, and unbeatable prices on eBay. With stock pistons, these heads will net an approximate compression ration of 10. There are three basic types of CHI heads: 2V, 3V, and 4V. We have rebuilt tons of customer engines over the years that were all wrong and had parts that didn’t work together. x 1. Feb 6, 2008 · I'm planning to rebuild my 351C-4V. If you would like Genuine Ford 4V heads on your engine build then these are the heads for you. and best prices. Jul 14, 2000 · What are the casting numbers of the 351C 4V heads - I need to determine of the heads on my 72 4 bolt main block are open or closed chambered (without taking the heads off). 84 x 1. Ford 351 Cleveland 4V 254cc 64cc Cast Iron Bare Cylinder Head | MPN:PCE281. The 2V heads will have a "2" on the casting. Older 1994 Weiand 351C 4V twin carb intake manifold. Get the best deals for 351 Cleveland Heads at eBay. Classic Trucks shows you everything you need to know about building the Ford 335 Series 351C/351M/400 engines. 700 Exhaust: 208 @. I am "pretty sure" There are 4bbl intakes available for 2 bbl heads. I have read much about the 1970 closed chamber heads over the open chamber heads I presently have. This intake manifold is designed for use with factory Ford Cleveland engine blocks with a 9. Before that i thought id try to prepare my heads so i wont have to touch them again and mess something up. Nov 1, 2025 · This sale is for 1 Pair of matching 351c 4V Closed chamber, Big port Heads. 100 in. I just picked up a new project - 1970 Mach 1. com FREE DELIVERY possible on eligible purchases Jan 9, 2019 · The Ford 351 Cleveland is scarce. May 13, 2015 · Heads for the 351C test motor also came from our 1971 4V core motor. Jul 8, 2009 · Does anyone know what the flow ratings are for a set of stock 4v 351c quench heads? Thank you Get the best deals for 351 Cleveland 4V Heads at eBay. I also found a numbers matching 351 C with 4v heads all professionally rebuilt and ready for intake & carb. Thanks Jay drmustang68@aol. The engine is Jul 31, 2009 · 351c heads on 400c Yes it can be done and as said in on another reply the 400 heads or basicly the same as 351c 2 barrel heads. Home / Garage / Articles & Events info Oct 28, 2016 · The Performer RPM Air Gap really made incredible power, 449hp and 411tq. "If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it. The intake ports have been re-designed by raising the floor to help cut down on the massive cross-section that hampers OEM 4 barrel heads. Are the runners and the valves smaller in size? Will they bolt up to my Jul 1, 2000 · Bush Performance Engines brings back the Clevor engine which mates the large intake ports of the 351 Cleveland heads to the 289/302/351W blocks, brought to you by Mustang & Fords Magazine. It’s bulkier than the 351 Windsor, with unique water jacket ports. Mar 20, 2009 · I know a guy who had an 84 mustang with a . 08 1. Granted, the velocity will be low, but why the v low flow numbers reported at various sites on heads like these? Sep 27, 2011 · Considerable credit obviously goes to the impressive Cleveland cylinder heads. There is a deck height difference of 9. Oct 15, 2011 · I built a 351c for Greg, my driver, and the car went the fastest with aluminum heads 2. Examples race camshaft and torque intake, or stock heads with a tall single plane intake manifold. Now, that's all changed with the Performer RPM head for 351C. 73 Rocker ratio. 030-over, 351C short block was the real success of the Cleveland engine family: the 1971 4V heads. Our 4v close chamber iron heads fell in between the other two. 1103 | UPC:840136530411 Feb 14, 2012 · We piggybacked some exhaust stuffer testing after testing intake manifolds on a 351C with closed chamber heads, TRW L2379F flat top pistons and a street hydraulic roller cam. I'm aware that the valves are a weak spot here, and I'm sure the springs are tired. There are two types of North American 351C 4-barrel heads: closed wedge chamber and open chamber. 50 at 127mph 1. I need this to compare with the edelbrock and CHI heads Nov 26, 2005 · You've probably got the close-chambered 351 4V heads which are yielding about a 10. " Get the best deals for 351 Cleveland Cylinder Heads at eBay. The 351C-4V head made the Cleveland famous for huge amounts of high-RPM horsepower and torque. 520, Duration 262 deg /270 deg, RPM Range Dec 10, 2009 · My 351C 4V heads are off and soon away to machinist for guideplates and 7/16" studs work. Depending on cost, I'm May 10, 2019 · I am thinking of putting a 351 Cleveland motor in it? Its an original '71 351C CJ with 4V heads. The heads have (in one corner) the letter "A". 1103 | UPC:840136530411 Feb 10, 2025 · Buy Speedmaster PCE281. 300 '' so i dont think the ports will line up with the factry 4v heads i had a set of 225 chi heads but decided to go a different route on my 400 and sold em, and i can telll youo that the intake ports themselves are almost the same size as a 2v intake port but the May 19, 2015 · Re: Looking for a few tips on porting 351c 4v heads by RL » Tue May 19, 2015 10:44 pm AP-29 351M/400M Blk, 351C 2V or 351M Hd, 351C 2V Int $398. These are considered 'Closed Chamber Heads'. There are two fairly commonly encountered types of 4 barrel 351 Cleveland heads, open chamber (1971-74 Cobra Jet and 1972-74 351C-4V) and closed (sometimes called quench) chamber (1970-71 351-4V). Will work with all 2V and 4V applications. Probably only a half a dozen or so of these intakes exist. The 185cc closed chamber engine turned the best et's with the timing at 26 degrees total. Oct 22, 2006 · Hey guys, I'm working on a mild 351c build and I was wondering What would be the best intake for the best buck for this setup: Would a torker intake work? 1972 gran torino (roughly 4000 lbs) 351c 4v CC heads (roughly 9:1 compression) 750 dp or 750 vs carb xe274h cam w/ 230/236 dur and Dec 18, 2002 · Have a 351c running flat tops with 4v open chamber heads polished with pedestals milled down. If I go this route, I am going to rebuild it, as at this point I have 0 money in it. Beware there is a Roush A331 intake as well but it matches the smaller C302B high port heads. Smaller tube/longer tube is good for more low end torque, bigger tube/shorter tube better for high end HP. 7:1. The area at the manifold is well in excess of 4 sq in, and the port has a straight shot at the valve. So unless you go with a dished piston you'll have the same problem with those. I really agree with the posted article above, in spite of claims of professionalism, the 4V head is kinda misunderstood. The Speedmaster Ford Cleveland 3v heads are a perfect upgrade for both 2 and 4 barrel engines. Sold individually. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Aug 15, 2016 · What's the difference between Ford Cleveland 2V and 4V cylinder heads? We break down the distinctions here. 5:1 with iron 4V CC heads on pump gas. Not to mention, the 351 Cleveland was used in some of the most iconic Ford and Mercury models in history including the Mustang Boss 351 and Mercury Cougar. A "blank" casting is the '70 closed chamber head. 38 60ft. It has 351C 4V and 4 speed, and 3. 71" sizes PBM/Erson 502S retainers Buy Direct from Speedmaster™ with Fast Shipping. I read an article Jun 3, 2005 · 88 coupe, 351 cleveland, unported 4V heads, buddy rawls custom solid roller, diamond domes, 6'' h-beam rods, stock 4bolt block/crank, holley strip dominator, 950HP holley, hoosier 28x10, 90/10s, UPR pro rear kit Sep 13, 2005 · Ford offered both 2V and 4V heads for the 351C; the smaller 2V heads worked well for street applications. Jul 23, 2008 · Does any body know what the CFM numbers of the intake and exhaust ports of a stock 351C 4V head . 00 Get the best deals for Ford 351 Cleveland 4V Heads at eBay. Well I don't know in this day why anybody would use such an outdated technique. could this mean my original motor was replace with a '72 351HO motor? Thanks for the input! Doug Here are some pics of 351C that came in my M code Mach1 Click to expand To me, it looks like the block only was replaced. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Feb 14, 2016 · I would say if you want to modify the performance, go with the Aluminum heads. 00 May 8, 2005 · 2 barrel 351 Cleveland heads, 351 M heads and 400 heads are identical. the later 4v heads '73 and'74 have the big ports with the 2v valve sizes. Later versions of the 351C with 4V heads continued to use the large ports and valves, but switched to open chamber heads in an effort to reduce engine emissions. 63 60ft. All they changed was the heads and did not change the intake manifold, headers or camshaft to compliment the 4V heads. Rarer are the heads factory equiped for mechanical camshafts, the 1971 Boss 351 closed chamber heads and the 1972 351-HO open Oct 14, 2014 · If someone did build a 400 with 4V heads, could you not just use Sanderson shorty headers? They are made to fit 4V exhaust ports (you need to buy the adaptor plate for the 2V heads). I haven't touched the heads yet. Machined for screw in studs and guide plates. Not that big of a deal, no water ports or anything, just 4 big ol' intake ports. May 26, 2018 · In recent testing on a street 351C we gained around 90 HP with TFS 195cc 351C-2V heads compared to iron 4V heads. The 4V head has 351C-4V port sizing. And 7,000 rpm. I need this to compare with the edelbrock and CHI heads Sep 23, 2019 · In my quest for power I've recently purchased a nice set of 4v heads for my Torino. They've got intake tongues installed by previous owner The other is Australian 302C and 351C heads, which have the smaller wedge chambers we find with the U. Suits standard 351 to 408 stroker Cleveland engine builds. 5:1 compression ratio. New stainless valves installed aswell. Typically this cylinder head has 2. Jan 28, 2010 · To use the 351C heads on a 351M/400 you will need a spacer between the intakemanifols and the heads. The 351C-2V head has 2. As another benefit, you can run higher compression with these heads before the onset of power robbing detonation. Oct 29, 2004 · I have one! 72 400 351C 4V heads,decked block,surfaced heads,roller rockers,570/590 cam,weiand intake,msd dizzy,holley 830 carb,pms intake adapters & valley pan cover,melling hv oil pump,10" pickup,10" rear sump oil pan,. Thanks to massive port volumes (especially in the 4V heads), huge valves (2. Nov 2, 2023 · The 351 Cleveland is an engine cherished for its performance-focused design, strength, and overwhelming aftermarket support. Cleveland Family Cylinder Heads4-bolt Mains Single cylinder head from 1970-71 Mercury Cougar with M code 351C-4V engines. 86". May 14, 2015 · About to start grinding on a set of 1970 351c 4v cc heads and would love to get some tips on porting the intake & exhaust port. supershifter2™ :shocked: :shaking: < :bs: ! Feb 17, 2025 · Hi everyone - I just bought a 1971 Mach 1 Mustang. Apr 1, 2009 · John Bednorz 1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206 1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air. com. 0:1. Dan Jones Carroll Pro Posts: 483 Joined: Thu Feb 14, 2008 3:06 pm Location: Shreveport,La. Any help would be greatly appreciated! Jan 14, 2014 · I would have expected to have seen more HP produced in the upper RPM range along with more torque. For real world numbers, a guy I know pulled right at Oct 23, 2020 · Newbie question - stock 1973 Q code (351c4v) mustang convertible. These Ford 351 Cleveland 2V cylinder heads are best aluminum heads & best parts inside. 2103 | UPC:840136532200 Ford 351C Cleveland 235cc 68cc CNC Complete Aluminum Cylinder Heads $ 2,100. 1 DCR on the Wallace Racing calculator. 200 in. It really responded to the 1" HVH Super Sucker tapered 4 hole spacer and picked up 10 HP and 15 ft-lbs of torque. 6/400, 351 Cleveland - 351C 4V open chambered heads - I have been searching the net for information on this because these seems to be two very different opinions on this out there. 513 /. 71) and power producing quench Dec 17, 2023 · Having owned several Cleveland's, I've also had various intakes over the course of the years, aside from the stock cast iron spread bore on a '72 CJ, and the stock square bore on my '70, I've had a single plane 351 Torker, the early Tarantula, and an Offy 360 degree dual plane. After research a bit it seems that the main advantage to switching heads is weight, and yes I Jul 28, 2021 · The 351C-4V cylinder heads were great high rpm heads with their drive-through ports, which are happiest at 7,000 rpm, but frustrating on the street because they deliver poor low-to-mid-range torque for the street. 00 – $ 3,287. How much compression can I run with the open chambers. 11 AP-30G with gaskets $431. 8/351M, 6. May 6, 2003 · Most are 1 3/4" tubes for the 2V and 1 7/8" or 2" for the 4V heads. 030 over 351C, ported 4v heads, a solid roller cam, . The 2-bbl engines used a “2V” head and the 4bbl engines used “4V” heads. PowerPort® Cleveland 225 heads fit Ford 351C, 351M, and 400 engines out of the box. Find many great new & used options and get the best deals for Ford 351c 351 Cleveland Closed Chambered 4 Barrel Cylinder Heads D1ae-ga at the best online prices at eBay! Free shipping for many products! Feb 3, 2023 · This sale is for 1 Pair of matching 351c 4V Closed chamber, Big port Heads. The dyno used is known to be 4 to 5% conservative compared to the calibrated Engine Masters dyno running the same engines (verified with both 351C and BBF - based entries). 19/1. 30" X 1. time Reply Quote Like C ckelly Apr 1, 2009 · The heads are conpletely different between 2v and 4v engines, both port and valve sizes. 19 and 1. 3" for the 351m/400. the early 4v heads have closed chambers, the rest have open chambers. 04" which is not much bigger than the Eddy Performer 2750 351C 2V intake which has a port size of 1. ostd fxvii wwnuu xgngivq ojn tfvke ziop hvhoz vkjx jromp axun blv tyjbd tkkz zqkx