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Thread: Fast 30859-8 87.8lb Injector data

  1. #1
    Advanced Tuner
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    Fast 30859-8 87.8lb Injector data

    Been doing a lot of googling and checking around the forum but I haven't found any injector data for my buddies Fast 30859-8 87.8LB injector data for boost reference. Anyone might have some info that can help me out?
    04 Single cab Lq4/243 228r 112lsa, Long tubes, catless, Yank st3000.

  2. #2
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    Do I need to change the big ifr tables or just the ones in the spreadsheet. Fast doesn't have any information I found useful for lbs of flow vs fuel pressure. It's for a turbo 408

  3. #3
    Senior Tuner
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    You won't find anything useful for any FAST injectors that are not re-branded factory injectors.

    Two options that I see are:

    Send the injectors to a company that can do true dynamic flow testing

    or

    Do the low load calibration work with stock or known injectors. Once that is good, swap to the FAST injectors and start adjusting the injector offsets and short pulse adders to being the fuel trims back inline.
    Jaime

  4. #4
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    Damn. Sizing injectors in hptuners is little above my head but I'll figure something out. Thanks for the tip

  5. #5
    Senior Tuner cobaltssoverbooster's Avatar
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    call deatchworks have them characterize one for you. roughly $80
    2000 Ford Mustang - Top Sportsman

  6. #6
    Potential Tuner
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    Quote Originally Posted by cobaltssoverbooster View Post
    call deatchworks have them characterize one for you. roughly $80
    I would gladly send you some paypal, if you happen to do this if you would share your data with me.