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  1. 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...
  2. SOHC to DOHC

    2005-2010 Mustang GT Tech
    Ok I'm kinda new to engine specifics so please excuse my dumb question. Why cant you convert a 4.6l V8 SOHC motor to a DOHC?
  3. 98 Cobra Engine will not crank!!

    4.6L Tech
    I am doing a 98 cobra swap in a 97 Gt and got everything hooked up with Gt harness and computer went to go crank it up and it turns over and gets fuel because fuel pump is turning on but it will not crank!!:frustrated: Now ive heard that the COPs polarity need to be reversed if they do how would...
  4. I Need Help Identifying These 4v Heads.

    4.6L Tech
    I picked them up pretty cheap, I know that the "B" heads are not very desirable but since I was building a 2v stroker I thought any 4v would be an improvement for breathing. What I'd like to know is from what car (Lincoln, Mustang) did they come off of. This will help me select parts to replace...
  5. 1993 Mustang lx (idea)

    2.3L Tech
    okay so i have a 93 mustang lx that had the engine with 8 sparkplugs and two coil packs, EFI , and what not. and i have been doing research and data gathering on the adapting the Volvo B234F DOHC head's to my mustang. but due to the lack of knowledge i have on my own engine i do not know if the...
  6. DOHC opinions

    4.6L Talk
    Ok so, I have a 98 cobra enigine I want to swap into my 2000 GT. Now I have everything but the intake. Plans are to get forged internals and stud everything. My plan was to get the motor together and run all motor for about 2 years then once I'm out of school, get a KB and get new cams and run...
  7. 2003 Mach 1 Mustang

    Hi I'm Mike I own a 2003 Mach 1 with 90,000 miles on it. It has a JLT RAI, BBK o/r X-pipe (with no cats), Borla Stinger cat back exhaust, Eibach lowering springs, and a set of FR500 black chrome rims
  8. will an 04 mach 1 fuel rail fit on 98 mark 8 dohc for return fuel switch ?

    4.6L Tech
    I put a 98 mark 8 dohc engine in an 03 gt and need to make the motor returnless fuel or the car return fuel. I found an 04 mach 1 fuel rail that is returnlees and need to know if it will fit on the mark 8 dohc to make it returnless. The sale on the fuel rail ends tonight and I need to know...
  9. V6 to Homemade Cobra?

    4.6L Tech
    I am trying to build my own cobra and i have a few questions for an expert. 1. I have a stock 97 SOHC 4.6 and a set of InTech 32v heads I am wondering if it its possible to bolt on the heads to the SOHC block. I have been told by a novice engine mechanic that is is possible with cobra guts such...
  10. SN-95 5.4L DOHC Swap FAQ's

    4.6L Tech
    Well, It seems as if much of the tech info on this swap has been lost due to forum revamps, is somehow buried in pages and pages of search results, or is scattered in pieces all across the web. What to do? Begin to build a thread with as much info as I can find on the engines for people...
  11. 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?
  12. !996 Mustang GT Sohc to Dohc swap

    4.6L Tech
    I found a 1996 cobra transmission for $250 dollars the other day with only 50000 miles on it so I decided to buy it thinking it would bolt up to my sohc gt motor but found out it didnt. Now i have found a cobra motor with procharger for 1900 with 50000 miles on it as well and am wondering if I...
  13. to NOS or not to NOS?

    4.6L Talk
    i have a 96 cobra bored .30 over with forged flat tops making my cars comp ratio around 10.25:1 along with twin 65mm tb, c&l cai, frpp shorty headers, o/r x pipe, tuned ecu, and other odds and ends... would it be safe, or better yet SMART to put a 100 shot NOS dry shot into my car?
  14. 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...
  15. 1990 Mustang 2.3 to modern 2.3 Duratec Conversion

    2.3L Tech
    In addition to my other post, I am considering another option. Has anyone taken the all aluminum new 2.3 from a Ranger or Mustang and transplanted the older heavy iron 2.3?
  16. Dohc Swap possible?

    2005-2010 V6 Mustang Tech
    Is it worth the trouble/possible to change an 08 v6 4.0 sohc engine into a dohc engine. My buddy at least says he has a 4.0 explorer with a dohc engine. is it possible to swap the two, to make the v6 better? and if so how much trouble would it be?
  17. 2004 mach 1 engine trouble

    4.6L Tech
    My brother has 2004 mach 1 midnight edition. This weekend it just threw a rod. I am a pushrod guy so I don't know much about the mod motors. I wanted to know if we could use any short block or rebuild kit or does it have to be specific to a mach 1? I do understand it is a DOHC and most 4.6...
  18. 2004 MACH 1 Upgrade Opinion.

    4.6L Talk
    Ok, I needs everyone's opinion... For my 04' Mach 1, I have installed a set of BBK LONG TUBE HEADERS, BBK O/R X-PIPES, SLP LOUD MOUTH II EXHAUST, JLT RAI, NGK IRIDIUM SPARK PLUGS. My next installation is: a set of 4.10 Gears After that is done what do you guys think I should do? I know I...
  19. Who actually reads these,2001 Cobra Mustang

    What's up everyone, I'm Jared Jamison, I own a 2001 Cobra and my ass is stuck in 5 years active duty in the Marines. As far as my car goes nothing major done to it I'm in the process of rebuilding the entire motor as the guy who owned it before me was a complete idiot. When I bought it it...
  20. 3.73 vs. 4.10 Gears

    4.6L Tech
    Can anyone tell me which gears are good for torque and street/highway drivability? I keep getting told that 3.73 and 4.10's are both good for street and highway driving. But with 4.10 gears, they sound a bit high. One Mechanic in Michigan told me to go with 3.73 gears - Alternative Auto...