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  • Users: sgfreak96
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  1. S

    Start-up issues

    Car is tuned using HPTuners and is a custom tune tweaked per the cars mods from the stock tune file. Issue at the moment is the car randomly (but usually) whether hot or cold, or whatever, gets super rich at start up. For about 20 seconds it idles normally, then gets down to the 10s for AFRs...
  2. S

    Idle Pegging Rich On Startup?

    Those following the rev hang post of mine, HUGE thanks to all your replies! Tune other than that issue is running quite good on the car. Only thing we cannot figure out is quite strange. Upon start-up, car cycles afr's right around 14.7 as you'd expect. Wait 30 seconds, and that number goes way...
  3. S

    Bad rev hangs

    Long story short >had a tune on the car when I bought it >Car ran badly at cold start, and ran great when warm >Car got like 5-10mpgs >Had ford dealer remove tune from car, after buying SCT X4 >SCTX4 preloaded tunes ran awful on the car Have been tuning the car with a buddy who uses HP...
  4. S

    Swapping rear axle? Difficulty level?

    Hey guys, I was dumb and bought a pretty beat mustang from some guy who really neglected this thing. My rear diff and ring/pinion are basically destroyed. My right rear wheel bearing is also shot currently. I was quoted 2k by a few mechanics to put in a stock ford 3.55 that was refurbished. I'd...

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