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Thread: 06 gto - 95lbs injectors

  1. #1
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    Question 06 gto - 95lbs injectors

    Hello, i have an 06 gto with a 403 with the aps twin turbo kit, just purchased the deatschwerks 300c fuel pump along with their 95lbs injectors. trying to get a base tune / get the injector flow rate vs. kpa set up to be able to at least fire it up and check for leaks and be able to drive it to the tuner. Looks like the table only goes up to 63.5, is there something else i would need to change in order to get the car to at least be able to fire up / stay on? im new to the tuning scene (just trying to get this started) any help is greatly appreciated.

  2. #2
    Tuning Addict 5FDP's Avatar
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    With injectors over that 63.5 limit you have to use the double stoich/half the IFR/half the IVT terms method.

    Tune with lambda and you should be all good.
    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
    Potential Tuner
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    Thanks for the reply FDP... im totally new to this, im trying to read up on the tables you mentioned. can you elaborate a little more on this please? PM?

  4. #4
    Senior Tuner
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    take the values below and divide in half.

    110.076783 110.7628054 111.444605 112.1222588 112.7958414 113.4654253 114.1310811 114.7928769 115.4508792 116.1051525 116.7557594 117.4027609 118.0462163 118.6861833 119.322718 119.955875 120.5857076

    this is rated at 58psi btw.

    then multiply the stoich ratio x 2.

    cut the ivt table in half, or multiply by .5
    The most hated, make the most power.
    93 Ranger. 5.3 D1X. 1069hp.