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Thread: Procharged LSX-LS7 Tune issues

  1. #1
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    Procharged LSX-LS7 Tune issues

    Help. Trying to get my tune cleaned up for the Sick Week event in FL starting in 10 days. The general tune is pretty sloppy at the moment but the main issue is starting. It requires throttle input cold and hot.
    I'll attach the tune and a Dyno log. Car does okay at WOT and is reasonable safe.
    Setup is: Forged LSX- LS7 port config. D1X 3.5 pulley makes 19lbs. 242-248 .635 .635 cam 118+4 lsa. NW 103 (the new one) Fuel Injector Clinic 1700's. Flex fuel setup. Methanol injection. Willing to work with a guru and send logs.

    Thanks. Any questions, just ask.12-31-2021 18.5 timing Sick Week.hplSickWeekTune.hpt

  2. #2
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    Do you have a return style fuel setup (boost\vac referenced)?

  3. #3
    Senior Tuner Ben Charles's Avatar
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    Hit me up! I’m sure I can help

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  4. #4
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    Quote Originally Posted by sevinn View Post
    Do you have a return style fuel setup (boost\vac referenced)?
    Yes. 450 in tank, then a Magnafuel 4303 that triggers 1 of 2 ways. Also run a FMU that ramps the Magnafuel voltage to 16 volts during the run. My fuel system is pretty trick for a Vette. Lack of fuel is not the issue.

  5. #5
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    Quote Originally Posted by Ben Charles View Post
    Hit me up! I’m sure I can help
    Sent you a DM.

  6. #6
    Senior Tuner Ben Charles's Avatar
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    Just looked at it, ITS BAD.... Sent you a PM with my opinion

    Email Tunes, [email protected]
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  7. #7
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    Quote Originally Posted by Ben Charles View Post
    Just looked at it, ITS BAD.... Sent you a PM with my opinion
    Ben, I just looked at it as well. It's pretty bad. That MAF table...Wow!

  8. #8
    Senior Tuner SultanHassanMasTuning's Avatar
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    fun and nice setup, let me know if we can support

    just saw the cal, yeah needs major work
    Last edited by SultanHassanMasTuning; 01-29-2022 at 03:48 AM.
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  9. #9
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    Quote Originally Posted by NuBalnc View Post
    Yes. 450 in tank, then a Magnafuel 4303 that triggers 1 of 2 ways. Also run a FMU that ramps the Magnafuel voltage to 16 volts during the run. My fuel system is pretty trick for a Vette. Lack of fuel is not the issue.
    I was just wondering because of settings I saw in the tune. It needs to be started over, let ben help you. Probably have to quarter scale those injectors instead of setting them maxed out...

  10. #10
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    I'm surprised it'll crank and run at all with the VE tables blank...
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

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  11. #11
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    It did start but needed throttle input until the ECT's were above 130. Ben's first tune started right up and idled with zero throttle input. We are on the 3rd revision and its running great so far. Very pleased with Ben so far. Pretty positive this thing will be perfect once I get the car down to Florida where I can get him some logs under load. The Sick Week event starts next Sunday and I am wrapping up a ton of loose ends before I load the car and head South. Nice that Ben is so easy to work with and making exponential improvements.

  12. #12
    Senior Tuner SultanHassanMasTuning's Avatar
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    yes Ben is a great asset to the community, glad its working out
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