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Thread: ID1300s

  1. #1
    Tuner in Training
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    ID1300s

    About to install a set of ID1300s on my CTSV. I have tuned it myself on the current injs which are at 115% DC on the current mods. Going to add a 9.1 lower over the 8.6 on it now.

    What tables need modifying? Double Stoich table, cut the flow rate vs psi in half, etc?.....

    Thanks for the help
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  2. #2
    Tuning Addict 5FDP's Avatar
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    If going above the 127lb/hr limit, yes you will double the stoich, half the flow rate and half the IVT's afr terms.

    Side question though, why are you running such a rich air fuel mixture if you are using flex fuel? E85 can let you not run 10's for air fuel ratio. Those 1300cc's can make some pretty ridiculous power, seems a bit overkill.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
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    Quote Originally Posted by 5FDP View Post
    If going above the 127lb/hr limit, yes you will double the stoich, half the flow rate and half the IVT's afr terms.

    Side question though, why are you running such a rich air fuel mixture if you are using flex fuel? E85 can let you not run 10's for air fuel ratio. Those 1300cc's can make some pretty ridiculous power, seems a bit overkill.
    My car runs .78-.81 at WOT. Went with 1300s cause ibget a good price and I'll eventually port the blower and install ported heads. 1050s wouldn't support that.

  4. #4
    Tuning Addict 5FDP's Avatar
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    I'd go leaner if you have higher ethanol content, like .83-.84.

    I don't know how much power you are making now but 800-900cc injectors on E85 with roughly 90% duty cycle can support like 800 WHP. This is will 58psi of fuel pressure.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  5. #5
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    Quote Originally Posted by 5FDP View Post
    I'd go leaner if you have higher ethanol content, like .83-.84.

    I don't know how much power you are making now but 800-900cc injectors on E85 with roughly 90% duty cycle can support like 800 WHP. This is will 58psi of fuel pressure.
    Havent dynoed it but it will do 60-100 in 3.33 on dragy. I have an aux pump and run 75psi at WOT. Ill lean it out some. usually have E70+ in the tank.