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4 valve

  1. Twin Turbo Mach 1

    4.6L Tech
    Hey guys! I just ordered my Hellion twin turbo kit for my 2004 Mach 1 but I am a bit stuck on deciding what cams and heads I should use. Any suggestions would be greatly appreciated!:)
  2. 1994/1995 Mustang 4.6 4 Valve Swap

    5.0L Tech
    Hey all, in the future I plan on picking up a second 1994-1995 Mustang GT to accompany the current '95 GTS. I'll be swapping in a 4.6 DOHC I'm in the process of building (slowly...) and I've been doing as much research as possible before starting this and asking to see if anyone else has done...
  3. 03 Mach 1, pops out of reverse when cold and sticks in 5th, need full tranny rebuild?

    4.6L Tech
    Accidentally banged reverse pretty hard at about 60 mph when trying to skip third and hit 4th, just overshot it a bit. No problem while driving then, but a few hours later I couldn't back out of my spot and had to push it back, though no problems going forward. If I've been driving I can reverse...
  4. im new to forum world and need help with 4V swap into 1996 Mustang GT

    4.6L Tech
    i have a 1996 gt and im about to do a 4valve swap. i've got everything.i need to know if my a/c compressor will work,and if the car will run good enough to get it to the shop to have it tuned,and what ever advice you have would be greatly appreciated.
  5. 1996 mustang 2 valve to 4 valve swap.

    4.6L Tech
    I have a 1996 mustang gt with the stock 2 valve motor. I recently got a 4 valve motor for free. What am I up against during the swap and is it worth it?
  6. 1999 Mustang GT: DOHC 4 Valve SWAP questions

    4.6L Tech
    Hey guys, the name is Rob. I'm 18 and live in RI. I have a 99 Mustang GT 5 speed with 3.73's, full bolt on's, and a tune, etc. Car has 56k miles on it and I've been toying with the idea of changing my intake manifold and throwing a zex 100 shot on come next summer considering its the best way...
  7. converting 2valve to 4valve

    4.6L Tech
    for anyone who works at a performance shop or for those who really know what they are talking about when it comes to motors...what all would have to be done if i wanted to convert my 2002 2valve gt to a 4valve...and would it be worth it. or would it be more worth it to swap out stock internals...
  8. 2V vs. 4V sound

    4.6L Talk
    what gives the 4V that unique sound over the 2V's? airflow? the ability to rev higher? bigger exhaust ports on the heads? i want mine to sound like a 4V, only reason i can think of is that 4V flow more air than 2V's what do you guys think?
  9. 1000hp 4v build

    4.6L Tech
    I am starting a build on a 4.6 this fall. Im in a high performance engine building program in college. I will be doing all of the work myself and it will not cost me labor. So heres my question... can a build a short block capable of supporting roughly 1000 hp for $3000. $3000 is my limit for...
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