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Thread: Afpr setup for different injectors

  1. #1
    turbo addict
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    Afpr setup for different injectors

    Figured out the reason my car has been idleing and missin so bad was the injectors so I swapped them from the stock 88t1 to the 89t2/2.5t1 injectors which flow 33 instead of the stock 27. Should I drop the fpr down 6 lbs and run it or just play with it till it sounds better.

  2. #2
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Afpr setup for different injectors

    That's such a small difference that the computer should be able to compensate for them. Check your gas mileage to see for sure. A lot of city driving will tell the tale.

  3. #3
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    Re: Afpr setup for different injectors

    It would sit here and smoke black at idle. I dropped the fuel pressure like 5 lbs seemed to clean up better.

  4. #4
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Re: Afpr setup for different injectors

    Quote Originally Posted by bgbmxer View Post
    It would sit here and smoke black at idle. I dropped the fuel pressure like 5 lbs seemed to clean up better.
    yikes. Yeah, drop that FP down if your computer is doing that for sure. It's really interesting how some of the cals will handle larger injectors and some of them won't. A GLHS stg II LM can run +20s without much drop in fuel economy even.

  5. #5
    turbo addict
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    Re: Afpr setup for different injectors

    It's a stock calibration just was having issues with a miss at idle and found a brand new set of injectors at the jy so I threw them in and even with it smoking black it idled better right away

    - - - Updated - - -

    Just don't wanna run lean mainly

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