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Thread: 99 chevy 1500 need someone to check over please

  1. #81
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    That was my bad on the spark breakup. Saw KR couple logs ago, so I put on the stock Low timing table. Since you have an HO cam and aluminum 5.3 I've applied Corvette A4 spark and knock settings.

    Glad you changed out the knock sensors and harness. Now we can put the heat to it. Running high octane right?
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    Last edited by SiriusC1024; 01-05-2024 at 02:05 PM.

  2. #82
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    Yes sir its all i ever run. I did the math years ago and its the same money in the end and better fuel.
    Thanks, Tody

  3. #83
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    Alright then. Run it and let's see how it does.

  4. #84
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    Oh you did somethimg then. Not sure if it was the telling it what block it was or timing but it woke up. Still had a little pop but not as bad.
    red 26 1-5.hpl
    red 27 1-5-24.hpl
    Thanks, Tody

  5. #85
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    You forgot to log cylinder airmass.

    Moving to MAF. Don't take it above 3500.
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  6. #86
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    I still reset trims or not. I noticed the airmass after i sent it but went in and added it back.
    Thanks, Tody

  7. #87
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    Yes still reset.

  8. #88
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    A bolt came out the brake caliper and cut this one short but maybe i got enough in there for yopu to see what you need too see. If not i can do another i am fixing the issue now and shouldn't take too long.
    red 29 1-6.hpl
    Thanks, Tody

  9. #89
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    Good enough. Take it to 5000. Sucks about the caliper.
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  10. #90
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    Yes sir but luckily i was slowing up and didn't gouge the wheel this time. Had one on the back come out and ruined a wheel a few years ago.
    Thanks, Tody

  11. #91
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    Here's 2 differant runs it idled a little bit to start with. I had a few pulls in each logs.

    red 30 1-7.hpl
    red 31 1-7.hpl
    Thanks, Tody

  12. #92
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    One more should do it. Just one. 20min+ duration. Include idle and WOT pulls full rpm sweep.

    What is the tire diameter?
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  13. #93
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    They are 35 inch tires. I think i actualley did the tire size thing correct, i may have had everything else all messed up but i think i entered that correctly. lol
    Thanks, Tody

  14. #94
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    Sorry it's taking so long but when the brake caliper broke it ripped all the weights off the wheel and everytime i do a log it shakes so bad it kills the log. I ges is whats doing it but the parts house should have the weights in today. I figured they would have them stocked but they didn't. I got two short ones you can look at and if anything stands out you can let me know. I have tried to get a decent log but it just don't las. I reset trims and not sure if that is one of the two but it's been ran for a good hour to hour and a half on the last log but just didn't record it. I been trying to get my 80 z28 going and about ready to snatch the LS2 out and stab the big block in it or my 429 rocket block weird combination with a carb. Thanks again.

    red 30 1-10.hpl
    red 31 1-10.hpl
    Thanks, Tody

  15. #95
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    Alright just one more log to verify then that'll be it.
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