• Tags

compression

  1. D

    Roller rockers with no compression

    I have a 1990 Mustang that I swapped a rebuilt 302 and t5 into, I got gt40p heads and upper and lower intake, got the heads rebuilt and bought some 6.250 length pushrods with some pro form sbf rockers, was cranking the engine over with a wrench to do a spark plug thumb test and the only cylinder...
    • DPORTER0729
    • Thread
    • Jan 14, 2025
    • 5.0 compression foxbody foxbody 5.0 mustang rockers
    • Replies: 23
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  2. 1989 GT Power

    Hello I purchased an 89 GT couple years ago it’s a Density Car. Worked out a bunch of electrical bugs with all yours helping. basically a daily driver and fairly reliable no real mods except Rear end clutch refresh with the extra shims for better hookup. no more 1 wheel peel!! anyway, My...
    • Aoneill5.0
    • Thread
    • Nov 29, 2024
    • compression power
    • Replies: 2
    • Forum: 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  3. E

    Replaced TPS, four dead cylinders

    Hey all--I have an 03/04 cobra swapped 99 GT with a twin turbo kit and an 01 cobra intake manifold (for reference). I recently had a CEL display for p0122, a TPS failure. I replaced the TPS, and ever since replacing it, the car has idled on only the rear four cylinders, not even on the same...
    • Esten N
    • Thread
    • May 3, 2021
    • compression throws misfire tps sensor
    • Replies: 3
    • Forum: SN95 4.6L Mustang Tech
  4. C

    Downside Of High Compression Ratio

    Hello everyone. I came today with something odd. I own a 2003 v6 mustang (manual) and as i work on it something that shows constantly is the idea of tuning the car too a higher compression ratio to use high octane gas. This would give the car a little bit more of punch; however, there is always...
    • Chewy 0w0
    • Thread
    • Nov 30, 2017
    • base compression essex 3.8 essex v6 fuel economy mustang piston rings tuning
    • Replies: 6
    • Forum: 1996 - 2004 SN95 Mustang -General/Talk-
  5. W

    Twin Turbo Install Need Some Advice

    Hey guy so i have a complete twin turbo kit, still in the process of installing it right now. Just want to go over some things to get a complete rundown on everything that is going to be done. So currently the motor is rebuilt, all new bearing and forged interals in an 89 block. Gt40p heads...
    • Wonderbread750
    • Thread
    • Oct 8, 2017
    • boost compression twin turbo 5.0
    • Replies: 17
    • Forum: Fox 5.0 Mustang Tech
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