3 while the 4V was 10. In fact there is a complete 96 Cobra engine w/ only 70K miles that is painted very tastefully for sale in the SN classifieds section for only $2,600. com>Teksid 2V Tech Article (Must Read). ive seen people asking on other forums if 4v heads will go on a 2v block, so can it be reversed? and whats the difference between this and the teksid blocks? Jun 16, 2010 #2 MustangChris Post Whore SN95 Supporter Retired Staff Joined. Need to run them on a flat top to keep the compression up and work able Click to expand Correct, dont use the 2V rotating asembly on either head. Getting to Know Fords Beasty 351C. 00! Price with Selected Options: $5,999. The only closed chamber 2V type heads are Australian 302C heads. The 302 4V can easily be mistaken for the 289 head and was only made in 1968 (53. The 2V and 4V identifies the number of Venturis the carburetor has. The intake and exhaust manifolds are different between 2v and 4v. GT40 heads of all types dont flow what the stock 2V heads do. 500-inch lift than the 2-valve heads do at. I thought the 2v block and 4v block had different deck widths (or whatever you call the flat part the head mates up with). The Edelbrock air-gap design utilizes the same race-winning technology thats been used on Edelbrocks Victor Series competition intakes for many years. yeah figure if you go with the 4v heads the drivetrain will be more expensive, but the blower would be loads cheaper. i may have found a 2001 aluminum cobra block, only reason i would want to get it is to shave wieght like most would. Cylinder Head Shootout: Best Heads for the 4. MMR offers short blocks for 2V, 3V and 4V applications with no change in price – it’s only the specification from the customer about their application. Can I ask, What are you trying to achieve with this. MMR provides 15 options to choose from when it comes to displacement and power-handling levels, and they also offer a laundry list of upgrades like the Ford Racing Boss engine block. The open chamber 4V head is. 4 is taller and wider than the 4. A: Starting with the basics, 2V heads are designed for use with a factory 2-barrel carburetor option (2V = 2 venturi), while 4V heads came on one of the five Ford 351C engine configurations that came with. (Image/Jim Smart) A: Starting with the basics, 2V heads are designed for use with a factory 2-barrel carburetor option (2V = 2 venturi), while 4V heads came on one of the five Ford 351C engine configurations that came with a 4-barrel carburetor (4V = 4 venturi). Upgrade to 4V rocker sleds made from iron, 2V are aluminum. obvious parts needed are the intake, front cover, all the chains guides and sprockets, wiring harness and computer. Due to an extreme increase in business with cylinder heads, we are only offering select short block packages. 1978 - thru 1988 heads jumped to 69 CCs. they are double the price of the 2v/4v head studs but are the correct fit for the motor. the number of barrels in the carby. Later 4V heads have the 2V heads open 74-77cc chambers and the same 2. This can easily be remedied on the Teksid Block by drilling the passage. The 4V block use 4 bolt main bearing caps I believe on 4 of the 5. Yes the 2V and 4V blocks are essentially the same. The 2V head had right sized ports, yet big open chambers with poor quench prone to detonation and hard starting. 4vs have less compression due to the larger cc heads than 2vs. the 4v heads would be much better to swap in than the PI heads, but there is a little more money involved. Ford Racing 2005+ Mustang 3v Aluminum Block. We build these for 2V SOHC, 3V SOHC, or 4V DOHC applications. Just watch out, 2v heads on a 03-04 short block gives you a big drop in compression from the 9. First, lay a 2V head gasket down on the block and mark where the hole needs to be. While down on maximum available lift, the 4-valve heads also flow more at. A: Starting with the basics, 2V heads are designed for use with a factory 2-barrel carburetor option (2V = 2 venturi), while 4V heads came on one of the five Ford 351C engine configurations that came with a 4-barrel carburetor (4V = 4 venturi). awww got ya, my question was about a cobra block w/ its internals _Hammer Spray Me Joined Feb 21, 2012 225 Posts #12 · Jun 18, 2012 mattrotten said:. Are 351 Cleveland Blocks All The Same? New Project 70 Mach 1. 4vs have less compression due to the larger cc heads than 2vs. Mustang Lifestyle YouTube Channel: https://www. Cobra Jet Crank, Manley Billet I-Beam Rods, Custom Diamond Pistons, King XP Series Bearings, ARP Main Studs. 4 use the same head, the blocke are different. Click to expand They share the same deck height but the 4v heads are wider thats why the cobra intake will not direct swap on the 2v head. 6 Short Block - Road Warrior 1200HP 2V 3V 4V - Aluminum Block NOT ACTUAL PART - Photo is a general representation of product Alternative Views: List Price: $6,999. If you will push 6000rpm, the 2V heads will do great, those are better than 80% of aftermarket Windsor heads. How To Build a Ford 351 Cleveland. i may have found a 2001 aluminum cobra block, only reason i would want to get it is to shave wieght like most would. Also have to make an adapter or find a DBW throttle body that will attach to the mk8 engine. the early 4v heads have closed chambers, the rest have open chambers. MM CC Plates, Panhard Bar, SFCs & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LTs, Catted H and Pro-Dumps KB Boost-a-Spark 04 PI Motor Author of The Official Suspension Guide Reply Save Like. In addition, the parts cost is less than half of most 4V builds and gives you many more parts options, compression ratio options, etc. the 4v heads would be much better to swap in than the PI heads, but there is a little more money involved. When using the 4V heads, youll want to tailor the rest of your setup for high-rpm use though, as these heads need air velocity to make peak torque. 4valvemach Active Member Established Member Joined Mar 25, 2008 Messages 1,726 Location Brevard County,Florida 2v short block=2-3k 2v heads=$1500 supercharger=3k-6k can be added later Mar 30, 2009 #7 semperfimrn1 Active Member Established Member Joined Sep 24, 2008 Messages 2,207 Location Austin Texas Have. While its possible to do 500rwhp on a 2v with boost, its possible to do 500rwhp on a 4v N/Asomething to think about. The 65-67 289 had both 4V and 2V. you would be able to use a cobra lower with an eaton blower pretty easily. 6 2v block? Also, the throttle body sits in the back of the engine facing up in a bad spot. I know that the bell housing is different on those engines but would the front cover fit on my 2011 4. When using the 4V heads, youll want to tailor the rest of your setup for high-rpm use though, as these heads need air velocity to make peak torque. All the components will line up and bolt up with no problem, along with the timing cover. Mailbag: Ford Cleveland 2V vs. If you are using a 3V head you MUST PICK THE PROPER PISTONS FROM THE DROPDOWN BOX!. Rockers may need to be replaced to accommodate new cams lift. The 351C-4V head had terrific wedge chambers with good quench, yet with ports too large for street use. (Water pump, AC, steering pump, and supercharger will need the same belt. Upgrade to 4V rocker sleds made from iron, 2V are aluminum. The closed chamber 4V heads will raise the compression a bunch even without milling them. 500-inch lift than the 2-valve heads do at. The best price Ive seen so far is $475 for a set of cobra heads/cams, but the 4v guys have other options that are cheaper. but, you will need all of the chain and front cover set-up from the 4-valve. The article clearly states that you can use a 2-valve block with the 4-valve headsbut, you will need all of the chain and front cover set-up from the 4-valve motor. iv looked into a whole 4v block they are way more than a 2v dont feel like spending 6000 on a whole motor with 100,000 miles. MHS 4V Stage 2 Cylinder Head Completion Package 100% Bolt on Assembly! Item #: MHS-4V-Completion-STG2 Price: $3,599. 351C 4V heads have a 4 cast on them versus the 2V heads which have a 2. All engine packages are built one at a time. Current lead times are approx 8 weeks from the time of ordering. 00 Configure Item MHS 4V Stage 3 Cylinder Head Completion Package 100% Bolt on Assembly! The absolute best parts available. You can expect a pressure drop of about 3hg on the 2V, while the 4V is about 1. So I either want to go with 4V heads, which flow like crazy, but are a pain to tune, and expensive valve-train OR The new trick flow 2V heads which may not flow quite as well and may have a higher initial cost, but have cheaper valve-train (because there are only 2). Ultimate SOHC 2V build? Trick Flow headed 5. So decide on a shift point and redline limit. 4 2V only has the $1700+ Logan sheetmetal intake available for serious higher RPM output. ie: A 4v engine here will run you between $4 - 5,000 CND & Unless you OWN a shop & do all your own work your looking at another $2,000 to do the swap or more. The power difference between the 4V heads and the 2V heads, is that across the scale, the 2V heads will show pretty much the same numbers as the 4V until the rpm is so high street cars would never notice the difference. You will need not only the heads, but the cam covers, timing cover, and complete intake at the bare minimum. Will not fit 1974 and earlier 351-C V8s. I have found some sets of heads cams with timing chain cover on ebay from like 500-1200 $ but they are from older 4v motors like mid 90s would this stuff work. 5WG while the 2V is about 3WG. Modular Mix & Match, Part 1. The 1971 BOSS 351 and 1972 351 High Output head differs from the Early 4V head due to an adjustable valvetrain with screw-in rocker arm studs with guide plates. It is not worth putting 4v heads on a 2v motor. 6L can be done, but it messes with the compression, not to mention you have to replace a ton of parts to get it to work. 03/04 Cobra block with 2v heads?. PonyboyIsaac New Member Aug 20, 2004 79 1 0 Oct 17, 2006 #4. Anyone know what ported 3V heads flow in relation to 2V and 4V heads? Aztec Gold 97GT. Ford V8s produced from 1971 to 1982 with 2V Cleveland heads and 351-M V8s produced from 1975 to 1982. All the components will line up and bolt up with no problem, along with the timing cover. * 2V heads on a 4V block--This swap is a direct bolt-on. Heads Of The Pack When building a Clevor Ford small-block, the 351C-4V head is the best choice only if youre reaching for. What is a Ford 351 Clevor engine?. You are going to spend the money first to make it a 4v and then. 351C 4V open chambered heads. Also have to make an adapter or find a DBW. The reason the 4v head swap is not cost effective is that you need lots of parts to make it work. that being said, teksid engines have the highest of CR as they are flat tops. you are better off just buying a complete 4V engine at that point. we just put a teskid block together with the 2v/4v head studs but they couldnt be screwed all the way in. But you will need to use the one belt system. The reason the 4v head swap is not cost effective is that you need lots of parts to make it work. However, when choosing bearings for the block, the proper application must be used on the main bearings. 4v Heads On 2v BlockItem #: MHS-B46SB Modular Head Shop 1200S 5. yeah figure if you go with the 4v heads the drivetrain will be more expensive, but the blower would be loads cheaper. 6, do the 4valve and 2 valve motors use the same block? if so, it would seem that the heads should be swappable. Mustang Lifestyle YouTube Channel: https://www. 302 - 4V heads, made only in 1968 with casting number C80E-F are also good at 53. Remove the heads from the 2V block Clean the mating surfaces of the heads and block with a wire brush Apply sealant to the head gasket surface of the block. 302 4v heads and push rods. In fact, your set-up will make a lot less power because the 4V heads have a larger combustion chamber and almost a flat top piston to keep compression adequate. the later 4v heads 73 and74 have the big ports with the 2v valve sizes. Boss 302 / Clevor Advice!. 4V Cleveland heads will fit on a 351M (Midland) engine, but the ports are very much larger than the 2V ports in the 351M heads. Heads Of The Pack When building a Clevor Ford small-block, the 351C-4V head is the best choice only if youre reaching for. Item #: MHS-541200S Items 1-5 of 5 Popular Brands: Billet Pro Shop Modular Head Shop. the 4v heads would be much better to swap in than the PI heads, but there is a little more money involved. How do I ID a 351 Cleveland?. MMR provides 15 options to choose from when it comes to displacement and power-handling levels, and they also offer a laundry list of upgrades like the Ford Racing Boss engine block. Out of the box (comparing stock-to-stock) 4V heads will flow much better than any stock 2V head. dont use 4v heads on 2v pistons, you will kill the comp Just looked up, 3v heads are 51 or 52cc chambers and will kill comp on a 2v bottom end also. The reason the 4v head swap is not cost effective is that you need lots of parts to make it work. 6L Teksid Aluminum Block for use with 2V Cylinder Heads. All engine packages will include as many USA and North American manufactured parts as possible. 4 block with GT500 heads. 351W heads are all the same chamber size at 60. If you are starting with a 4v then you do get more power for the money than a 2v. In this video I cover how to properly modify a 4. The head configuration of the 2V ’99-’04 Mustang GT has a specific purpose for this build. I will have to check out that group, Fordmansounds awesome. Anyone know what ported 3V heads flow in relation to 2V and 4V heads? Aztec Gold 97GT. Whats needed to put 4V heads on a 2V block?. you need to drill a coolant hole into the block on the head mating surfaceit is present on 2V heads, but it is not present on the 4V blocks, so youll have cooling problems if you dont drill ita quick inspection of 2V head gaskets on the 4V block will show you that the missing hole is on the drivers side bank, towards the front of the …. Cobra Jet Crank, Manley Billet I-Beam Rods, Custom. 4v heads on 2v block?? For the 5. Anyone know what ported 3V heads flow in relation to 2V and 4V heads? Aztec Gold 97GT. It is important to note that most of the blocks offered can use all the available 2V, 3V, or 4V cylinder heads when combined with the proper timing components, tensioners, and timing covers. Item #: MHS-B46SB Modular Head Shop 1200S 5. Rare Car Network>What is a Ford 351 Clevor engine?. Windsor 289 with 4v heads????. However, when choosing bearings for the block, the proper application must be used on the main bearings. ProCharger P-1SC, 9 psi, STD 396/383; Uncorrected 388/375; SAE 383/370. It is important to note that most of the blocks offered can use all the available 2V, 3V, or 4V cylinder heads when combined with the proper timing components, tensioners, and timing covers. cleveland heads on a 400?. putting 4V Navigator heads on a 2V 4. svtguy said: I think all of you guys are all missing the boat on my post. what kind of other junk would have to be changed over with the heads? i assume the intakes and headers are probably different, but any others?. some 4vs are dish like the terminator. The 2V for this period had a standard compression ratio of 9. 6L can be done, but it messes with. A 4V (4 barrel) drops about 1. 4 Ford V8>Cylinder Head Shootout: Best Heads for the 4. 6 block and TFS heads are like peas and carrots since there are quite a few intakes available that can maximize that effort. Team JDM can build a short block for 2V, 3V, or 4V pistons for low- or high-compression applications, and we suggest the customer call us so that we can work with them to design the best package for their needs,” says D’Amore. The power difference between the 4V heads and the 2V heads, is that across the scale, the 2V heads will show pretty much the same numbers as the 4V until the rpm is so high street cars would never notice the difference. Building Classic Ford 351 Cleveland Power. 2V blocks, all bearing caps are 2 bolt. Has anyone here done a 4v head swap on a 2v block? I know it can be done its just a tedious process. These heads are also known as swirl heads. 2V 5. MMR makes adaptor plates to use a Coyote intake manifold on a 5. And you gain the quench effect which can help fight detonation. 4vs have less compression due to the larger cc heads than 2vs. Getting to Know Ford’s Beasty 351C. In fact, your set-up will make a lot less power because the 4V heads have a larger combustion chamber and almost a flat top piston to keep compression adequate. MMR offers short blocks for 2V, 3V and 4V applications with no change in price – it’s only the specification from the customer about their application. But in all honesty I could build that for about $2500 less. Big bore 4. Jul 8, 2004. we just put a teskid block together with the 2v/4v head studs but they couldnt be screwed all the way in. You are going to spend the money first to make it a 4v and then spend additional money to make it faster. All the extra lift in the world won’t make up that kind of deficit. Only difference is the 4v guides have an aluminum insert and the 2v is all plastic. You also need to be careful with what year heads and intake you use. Our Road Warrior 4. 2V to 4V No, not even close. Any they may have dropped the 2 on later model heads. The 2 was used on 351C engines as far as we can tell and no number was used on 351M and 400 heads of the same type. Yes the 2V and 4V blocks are essentially the same. You can retrofit the 4V caps to a 2V block but you would have to have the block line bored to true then up. 35 spline WaveTrac Diff with 3. No need for any wiring changes either. A Guide to a Bottom End for Boost. * 2V heads on a 4V block--This swap is a direct bolt-on. Factory Australian heads are sought after. If I own a 2001 GT with low miles, I can sell if for about $22,000. The Aussie heads combined 2V-sized runners and valves with 4V-type closed combustion chambers, resulting in an excellent performance street head. Yup, they put dish pistons in from 1971 thru at least 1982. A gt ecu will run a 4v no problem. The horsepower potential of Performance Improved heads is excellent and far superior to the pre-’99 heads. MHS 4V Stage 2 Cylinder Head Completion Package 100% Bolt on Assembly! Item #: MHS-4V-Completion-STG2 Price: $3,599. Ford Performance has done it again, turning its attention back to the overhead cam engine, the 4. Only the 1971 Boss 351C and 1972 351C High Output engines had adjustable rocker arms and a mechanical flat-tappet high-performance camshaft. In fact, a ported set of 4-valve heads might outflow a set of ported 2-valve heads by 80 to 100 cfm. Keep in mind that putting 1999-up heads on a 1998-earlier engine will increase. 4 barrel heads came closed or open chamber depending on the year they were made. The 2V and 4V identifies the number of Venturis the carburetor has. 2V blocks, all bearing caps are 2 bolt. Reply Like 05-16-2013, 02:27 PM # 7 60DRB Uberhater,Troll,Whatever. 4V heads and cams 4V intake TB 24 lb/hr injectors pistons for the increase compression crank being the 4V revs to 7k regularly new 8 bolt flywheel as the GT is a 6 bolt Alternator a tune And modify the Harness Honestly all that its not worth the price when you can get a cobra longblock for 1500-2k. Out of the box (comparing stock-to-stock) 4V heads will flow much better than any stock 2V head. The later 1968 heads had 63cc combustion chambers to make them compatible with the 302 crossover. The hole is roughly 9/16” and you can use that size drill. when using 4 valve heads on a 2 valve block. 4v heads on 2v block?? For the 5. The motor can only be as good as the intake manifold, and a 5. Valley width measures 8-17/32. 6 heads vs 2003/2004 Mustang mach 1. Any of these heads can be bolted to any 2V or 4V block, as long as the proper intake manifold is used. I have found some sets of heads cams with timing chain cover on ebay from like 500-1200 $ but they are from older 4v motors like mid 90s would this stuff work. The best intake for 351c build?. The later 1968 heads had 63cc combustion chambers to make them compatible with the 302 crossover. Click to expand They share the same deck height but the 4v heads are wider thats why the cobra intake will not direct swap on the 2v head. 6L-based Modular, which has been stroked to a stunning 5. Can You Put 4V Heads on a 2V Block? Just Follow these Easy …. 4L Shelby GT500 or Max Effort Lightning Applications. If your going to use 2V open chamber Cleveland heads your really not gaining a whole lot over the 351M/400 heads. It is located on the driver’s side cylinder bank near the top front of the block. I thought the 2v block and 4v block had different deck widths (or whatever you call the flat part the head mates up with). net>2v heads on 4v short. Modular Head Shop / Excessive Motorsports Short Block Packages. You will need not only the heads, but the cam covers, timing cover, and complete intake at the bare minimum. You are looking at like 52cc heads on the 4V from the Mark VIIIs and 96-98 Cobras. A: Starting with the basics, 2V heads are designed for use with a factory 2-barrel carburetor option (2V = 2 venturi), while 4V heads came on one of the five Ford 351C engine configurations that came with a 4-barrel carburetor (4V = 4 venturi). awww got ya, my question was about a cobra block w/ its internals _Hammer Spray Me Joined Feb 21, 2012 225 Posts #12 · Jun 18, 2012 mattrotten said:. 65:1 with the 4v. … Can You Put 4V Heads on a 2V Block? Just Follow these Easy Steps! Read More ». The first type of heads are called “B” heads. If you are starting with a 4v then you do get more power for the money than a 2v. 4L Short Block Rated to 1200 HP - Perfect for 5. when using 4 valve heads on a 2 valve block. There is no real solution to this issue , closest to it is a GT500 intake to a 5. If you know the difference between the blocks and can get the timing parts then it is easy. you are better off just buying a complete 4V engine at that point. Making a teksid block work with 2v heads. Easier just do complete swap than change heads between two engines. 93-95 mk8 heads have a slightly different combustion chamber then the 96+ heads, also they have different valve springs. PERFORMER 400 NON-EGR (idle-5500 rpm) Designed for 400 c. Teksid 2V Tech Article (Must Read). While down on maximum available lift, the 4-valve heads also flow more at. Can You Put 4V Heads on a 2V Block? Just Follow these Easy Steps!. Advantages include lighter weight and ability to replace the sleeves and increase the bore size 3. So now you have a short block and some killer Cleveland heads, but there’s a bit more work necessary before you can bolt everything together. JDM Engineering Stroker 302E Short Block – $4,895. They are all the same until about 1975, when the exhaust port got very restricted by a water. I think all of you guys are all missing the boat on my post. In fact, a ported set of 4-valve heads might outflow a set of ported 2-valve heads by 80 to 100 cfm. Its just smarter to swap the whole engine. The 2V head had right sized ports, yet big open chambers with poor quench prone to detonation and. We offer short block packages for the Ford 4. 4 block , with 4V heads. The head configuration of the 2V ’99-’04 Mustang GT has a specific purpose for this build. some 4vs are dish like the terminator. they were actually recommended over the 3v head studs for some reason. It is important to note that most of the blocks offered can use all the available 2V, 3V, or 4V cylinder heads when combined with the proper timing components, tensioners, and timing covers. You will also need to use different spark plugs and have the proper fuel. MMR makes adaptor plates to use a Coyote intake manifold. The RPM Air-Gap manifold for 351 Cleveland engines is designed to complement Edelbrocks new 351-C Performer RPM cylinder heads, and also works well with 2V cast iron Cleveland. I have found some sets of heads cams with timing chain cover on ebay from like 500-1200 $ but they are from older 4v motors like mid 90s would this stuff work. I have 10cc PISTONS that would up the completion at 9. You can not swap caps on any motor without doing this. Do all the Cleveland heads have canted valves or is it only the 4V heads?. The biggest physical difference between the 2V and 4V Cleveland heads is the huge intake and exhaust ports on the 4V heads. Get a teksid block from a Mark VIII and you shed some weight off the front and can just do the whole motor with a cobra intake and some good cams. However, its completely do-able to slap 4V heads on a 2V block. The 65-67 289 had both 4V and 2V. Simply putting 4V heads on a 2V especially a PI motor is not what I would advise. You can put 4V heads on a 2V block, but there are a few things you need to know first. obvious parts needed are the intake, front cover, all the chains guides and sprockets, wiring harness and computer. These are found in the 1996-1998 Cobras and 1993-1998 Mark VIIIs. i am building an aluminum 05+ block and bought the 3v head studs for $375. Trick Flows Power Port Heads 351 Cleveland Engine. You will also need to use different spark plugs and have the proper fuel pressure. Aside from the heads/intake and tune you would also need crank, pistons, timing chains, front cover, alternator, inlet tube, 24lb injector and matching MAF, harness or modifiy stock harness to work, flywheel (cobras are 8 bolt 96-98, 01-03 GTs are. Item #: MHS-4V-Completion-STG3 Price: $4,199. 4L heads exactly the same heads as the 2V 4. 96GT - Getting a 4V Recession Buster. The 4V heads are the best small block head ever made, but they are not for mild or moderate engine builds, they need high rpm. There is no real solution to this issue , closest to it is a GT500 intake. The 4V tends to have less open and smaller combustion chambers. The 2V head was also used on the later 351M and 400M engines. 3L for your 2V, 3V, or 4V project. Engine Builders in here: Teksid block + 3v heads. While its possible to do 500rwhp on a 2v with boost, its possible to do 500rwhp on a 4v N/A. 4V Cylinder Heads>Mailbag: Ford Cleveland 2V vs. 6 or so thats stock on the 2v down to around 8. Buyer’s Guide to Ford Modular 4. 4L heads exactly the same heads as the 2V 4. putting 4V Navigator heads on a 2V 4. The article clearly states that you can use a 2-valve block with the 4-valve headsbut, you will need all of the chain and front cover set-up from the 4-valve motor. looking into a 4v head conversion on my 2v block. Ford changed the port design/geometry in 1999 from round to oval / rectangular shaped. The 2V for this period had a standard compression ratio of 9. 4L Short Block Rated to 1200 HP - Perfect for 5. The best price Ive seen so far is $475 for a set of cobra heads/cams, but the 4v guys have other options that are cheaper. 2V PI Heads; 2V TFS Heads; 3V Heads; 4V Heads; Coyote Ti-VCT Cylinder Heads; Ford GT / GT500 Heads ; Drivetrain. 2V to 4V. 4V Heads Ford has quite a few more 4V heads than 2V heads. after you spend all the money to get the necessary parts, and the time and effort you may have just bought a 4v motor. However, its completely do-able to slap 4V heads on a 2V block. However, its completely do-able to slap 4V heads on a 2V block. You might look up head gaskets for both and see if the 4v and 2v Heads use the same part number. would an aftermarket intake manifold like for a cobra fit on those heads. 00 Configure Item Items 1-7 of 7 Popular Brands:. While down on maximum available lift, the 4-valve heads also flow more at. The 4V heads will fit onto the 2V block, but the gaskets and intake manifold will not line up correctly. A: Starting with the basics, 2V heads are designed for use with a factory 2-barrel carburetor option (2V = 2 venturi), while 4V heads came on one of the five Ford 351C engine configurations that came with a 4-barrel carburetor (4V = 4 venturi). you need to drill a coolant hole into the block on the head mating surfaceit is present on 2V heads, but it is not present on the 4V blocks, so youll have cooling problems if you dont drill ita quick inspection of 2V head gaskets on the 4V block will show you that the missing hole is on the drivers side bank, towards the front of the …. I had to drill a water passage in the block that 2V heads have and 4Vs dont but that is no big deal as when you lay down the driver side head gasket its clear where you need to do it. You would be better off getting a supercharger or a turbo. 710 inch intake/exhaust valves and port sizing. The biggest physical difference between the 2V and 4V Cleveland heads is the huge intake and exhaust. 3V Heads Onto A 2V Block?. This can easily be remedied on the Teksid Block by drilling the passage. Jun 6, 2002 451 0 0 Apollo Beach FL. Only difference is the 4v guides have an aluminum insert and the 2v is all plastic. Your 2V pistons have a larger piston dish because the combustion chamber is smaller. on the other hand the trick flow twisted wedge heads are bad ass, and its always sick to have a 2v thats capable of. Ford advertised differently, but if you measure the parts and do the calculations, youll see 8. You can expect a pressure drop of about 3hg on the 2V, while the 4V is about 1. Item #: MHS-B46SB Modular Head Shop 1200S 5. 00 Availability:: Usually Ships in 6 to 8 Weeks Product Code: 99525346 Qty: Description. Some stubbornly stand by these open-chamber. You can expect a pressure drop of about 3hg on the 2V, while the 4V is about 1. The 4V heads will fit onto the 2V block, but the gaskets and intake manifold will not line up correctly. 6L Teksid Aluminum Block for use with 2V Cylinder Heads. The 4V heads will fit onto the 2V block, but the gaskets and intake manifold will not line up correctly. I am not aware of any manifold produced to fit this combination, and while the 2V manifold will fit, the port size mismatch couldnt make this a great selection. You will need not only the heads, but the cam covers, timing cover, and complete intake at the bare minimum. So I either want to go with 4V heads, which flow like crazy, but are a pain to tune, and expensive valve-train OR The new trick flow 2V heads which may not flow quite as well and may have a higher initial cost, but have cheaper valve-train (because there are only 2). 14PT roll cage and minitubbed :rockon. Built 4V Motor with Sullivan Single Plane Intake. BTM AutoSport - Like us on Facebook!. The 2V head was also used on the later 351M and 400M engines. Engines ». The 4V block use 4 bolt main bearing caps I believe on 4 of the 5. on the other hand the trick flow twisted wedge heads are bad ass, and its always sick to have a 2v thats capable of handing it to 4vs. The heads are conpletely different between 2v and 4v engines, both port and valve sizes. now for whats needed:: Timing cover ( you can get either a 6 or 8 rib setup) timing chains (your primary chain and tensioners will work, but youll need 2 secondary tensioners and 4 secondary cam gears) Of course youll need heads and intake, Snakebit is correct, 96-98 (split port) heads need matching intake, as. Aside from the heads/intake and tune you would also need crank, pistons, timing chains, front cover, alternator, inlet tube, 24lb injector and matching MAF, harness or modifiy stock harness to work, flywheel (cobras are 8 bolt 96-98, 01-03 GTs are. 2V to 4V No, not even close. I have a Teksid from a 96 Cobra for my 2V build. If you are starting with a 4v then you do get more power for the money than a 2v. The 4v heads just have a second chain that sits in the head that spins the intake camshaft. The closed chamber 4V heads will raise the compression a bunch even without milling them. Compression, rotating assembly, end-goal of the car should always be considered when choosing a cylinder head (I should have been more clear for sure). MMR offers short blocks for 2V, 3V and 4V applications with no change in price – it’s only the specification from the customer about their application. Factory 2V engines from 70-72 were 8. Later 4V heads have the 2V head’s open 74-77cc chambers and the same 2. Valves and ports are also bigger in the 4 barrel heads at 2. I thought the 2v block and 4v block had different deck widths (or whatever you call the flat part the head mates up with). You can retrofit the 4V caps to a 2V block but you would have to have the block line bored to true then up. The heads are conpletely different between 2v and 4v engines, both port and valve sizes. The “B” heads have two intake valves as well as two exhaust valves. Both heads had 54. The article clearly states that you can use a 2-valve block with the 4-valve heads. Just because your car is fast doesnt mean your eliminated from the idiot pool :blam:. These heads are easily upgraded to screw-in studs. MM CC Plates, Panhard Bar, SFCs & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LTs, Catted H and Pro-Dumps KB Boost-a-Spark 04 PI Motor Author of The Official Suspension Guide Reply Save Like SWEET2KSTANG · #7 · Dec 17, 2007. 6 Short Blocks are the perfect choice for your street or racing vehicle for up to 1200+ horsepower reliability.