I am having a slight issue with the powersteering pump bolting to the head. No they are not 2v port configuration but are sized more like the 2v. They changed the tensioner setup and some of the ac lines. I apologize for the uhs and zero issues, also for the poor video and editing it was all done on my phone. Jul 12, 2017 i apologize for the uhs and zero issues, also for the poor video and editing it was all done on my phone. After i have exhausted my bolt on modification options, im moving to the heads. These functions are oil pressure and sensor gated functions with complex software control and. The fixed guides and swinging guides are different although the chains and lower gears are the same, along with the upper primary timing gears. Oct, 2011 i have a pair of 351 cleveland 4v heads which i am building to replace my current 2v heads. The fourvalve swap power struggle upgrade muscle mustangs.
Im just wondering if it would work and what will be needed to do it. I just searched and found nothing has anyone done a 4v swap into a 9703. Read all about a ford 2v engine to 4v engine swap we performed with mv performance 5. Im looking into a head swap and i was wondering if 4v heads would fit with out.
Hey guys my friend has 96 cobra heads with all the accessories, and i was wondering would it work on my 02 gt. Promaxx patriot performance stage 2 and stage 3 windsor or romeo heads come fully assembled and can handle blown or nitrous applications. Discussion in sn95 and new edge mustangs started by v8 ford ranger, apr 6, 2020 at 12. The 19992004 2v heads are the power improved pi heads. Im happy to see you take the time to tell about a 4v swap. It had a pi swap when i got it and spun a rod bearing. The 4v intake is slightly larger than the 2v, and you will probably need a higher cfm carb to feed those 4v. In this mustang engine swap we replace the factory 4. Is there a spacer or something else that helps with this problem. The bullitt would in fact remain his daily driver for four more years, logging some. The bird is just my daily driver, so it doesnt have to be a total.
The first and only production ford head with two square primary, round. Would it be possible to bolt up the 3v intake manifold with the 4v heads. To be a fair test, they needed to switch to a dual pattern cam with the same lift. The guides are different, but my buddy and i just did a 4v swap on his 2v and we wanted to use his forged bottom end for the 4v swap, so we dug into the swap way more on his than on mine. Im looking for a bit more torquelowrange performance. Mar 29, 2009 sorry to bump an old thread however i am in the process of doing the 4v swap in an 01 saleen. Mustang submitted 5 years ago by memetacular 1998 gt hey guys, i recently purchased a teksid block with complete 01 cobra c heads including head covers and a timing cover. The bore spacing is the same,so heads will interchange, now there is a problem when going from 351 4v heads to 2v head you will need a new intake. Therefore, it must be noted that a rise in compression to about 10. Well on the old 315 2v or 351 4v engines the 2v and 4v denotes the size of the head ports.
Ford thunderbird questions 2v to 4v head swap cargurus. I have a 73 351c 2v with the motorcraft 2100 carb and c6 auto. Performance, wise the 351c 2v heads for a street machine are a good way to go. Sn95forums the only sn95 19942004 dedicated ford mustang community. As a group here at 50resto, this is our 4th effort at a 4.
For example, 0304 mach 1s have a different from timing cover from a 99 cobra. I own a 2001 mustang gt and ever since learning about the amazing 4 valve. Engine build questions 2v to 4v mustang forums at stangnet. The real downside to navigator heads, when used on a 4. This kit includes all the additional parts for a pi intake manifold swap on a 1996 1998 mustang gt. Most heads had 2 valves per cyclinder regardless of whether they were 2v or 4v you can mix and match the 2v heads to an aftermarket 4v intake if it is cast for that purpose.
Dec 16, 2007 i was wondering what is the difference between the 4v heads and the 2v heads on the 1968 302w. Was hoping some of you guys may have some suggestions on what to do with them. These are the extra parts needed to swap a pi intake onto a npi head engine. Forums engine specific tech 9604 2v specific 2v to 4v swap. Llc associates program, an affiliate advertising program designed to. Mustang submitted 5 years ago by memetacular 1998 gt hey guys, i recently purchased a teksid block with complete 01 cobra c. The 4 valve heads have a different intake so that means the sensors are in. A blue mark on the drivers side head indicates an updated casting, and there are no. Modularheadshop is a high quality performance shop that specializes in modular components for the ford 4. I wanted to do a 4v but would have a problem bolting my 4. Now, it will not be ready to sell until about a week from now.
My point is that there is confusion about 351w heads due to the fact that 351c heads differ between 2v carb and 4v carb versions. Also, i will not be able to get pictures up here until then either. Ok, as the title says, i have everything you need to swap a 4. I think the main difference in the stock engines is the cams. I know im going to need a new intake manifold, but anything else. Valve covers with the oil fill on the driver side will work with the bullitt or. Your best bet is to read mustang forums and go from there. Head gasket swaps are not exactly the easiest job to do on a modular engine, step. Ive heard that the volume of the combustion chamber is different, is that right, and is that the only difference. I would like to switch over to a 4v intake and carb, leaving camheadsexhaust manifold stock. I have 2v heads, would it be worth it to change to 4v heads if i could get them cheap.
The 2v are a waste of time an money they only flow around 160cfm at. When the airflow differs between the intake and exhaust, like in a 4v cleveland a dualpattern cam needs to be used to balance flow through the engine. A forum community dedicated to ford mustang owners and enthusiasts. When performance counts, the promaxx patriot performance cncported cylinder heads for the 19962004 mustang gt delivers. Forums mustang forums sn95 and new edge mustangs 4. I am in the process of purchasing a 03 navigator 4v engine or just possibly. Along those lines, what is the best easily attainable 4v intake. My original goal was 700 hp through an auto which i think can definitely be achieved with the 2v. Fox body fairmont 3v motor swap engine installation.
From what ive read, it seems like the edelbrock performer is prone to vacumn. I have a feeling that swapping in a 4v from a mach 1 or termi is probably over. In 1999, the pi heads were introduced and horsepower rose to 260 horsepower. What i want to do is get great power out of them without breaking the bank.
I wanted to put it on here now to see what interest it would receive. I am pretty sure there are 4bbl intakes available for 2 bbl heads. Theres a 6040 cooling circulation split favoring the driverside cylinder bank. Not sure what your going to gain, the 4v breathes a tad better on the exhaust side but thats it. Mar 29, 2009 the fixed guides and swinging guides are different although the chains and lower gears are the same, along with the upper primary timing gears. The spark plug threads came off the head with the plug, and i decided that i might as well go 4v if i have to buy a new head anyways. Includes all new oem ford thermostat seal, alternator bracket, steel heater hose beneath intake, water pump oring, and water pump nipple. I want to keep my supercharger of my motor and bolt it on top of a gt500 intake, ported heads with custom cams, and block. When we decided to sell aftermarket performance cylinder heads the decision was easy.
Yes, the heads are interchangable with the stock 351c engine blocks. Rebuilding 351c 4v heads advise needed ford muscle cars. These trick flow twisted wedge and ford racing pi heads are the perfect upgrade to any 4. Plus the 4v is drive by cable not wire so you will need a whole new pedal setup to run the old style cable system or somehow make drive by wire work on it. Patriot performance heads for your 19962004 mustang gt. This is a first revision of my write up, there are lots of information please share, dont hesitate to ask questions. I will save the mach 1 ecu for the next project, i am already thinking modular 4v swap into a vintage fastback mustang or a falcon. Modular head shop excessive motorsports short block packages.