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    3000rpm up my driveway, and my neighbors will...

    3000rpm up my driveway, and my neighbors will love me:laugh:

    It just takes a little more gas to get up steeper grades, and I also think my warm idle tuning may not be as good as it can be.
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    Thanks, and I didn't think my cam was that...

    Thanks, and I didn't think my cam was that aggressive.

    That cam screams in the 3100lb 944, and I'm ok with the choppy idle and slight surging if that's due to the cam profile. The car has a 3.778...
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    No problem, see my response inline. Is intake...

    No problem, see my response inline.

    Is intake air temp (IAT) getting hotter than ambient...? IATs average around 67F, very close to ambient. I have relocated the IAT to beside the air filter.
    ...
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    LS6 runs rough when warm

    I have been battling an issue with my LS6 swapped Porsche 944. When the car is started from the cold, it runs fantastic with lots of power. When the car is shut off and sits for a while and...
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    Thank you, and you bring up a good point!! For a...

    Thank you, and you bring up a good point!! For a while, I have suspected some weird electrical issue that could affect O2 voltages because I get random O2 codes. I will take a look at the alternator...
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    I got the car out for a good run, and here is the...

    I got the car out for a good run, and here is the log file and tune. The first thing that I noticed is the -STFT which indicates the car is running rich. I do hear a lot of exhaust popping that...
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    Sounds good. It will take me a couple of days,...

    Sounds good. It will take me a couple of days, but I will get the log.
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    Yes, both banks are set to 450.

    Yes, both banks are set to 450.
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    Failed CA SMOG, High HCs at 1500rpm

    I have an LS6 swapped Porsche 944, and I failed SMOG by nine points at 15mph HC. I did some logging based on posts I have read on the forum, but OS2s are switching, and I see LTFTs as high as 10%. I...
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    Ls1b hw09386530 pcm

    This is going to be a tough one, but here I go.

    I have an LS6 in a Porsche 944 and want to install a CAN Bus data logger. I know GM did not provide CAN Bus on its PCM's till 2006, and I'm trying...
  11. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    Got it, makes sense why my VET was so far off. I...

    Got it, makes sense why my VET was so far off. I previously stated my EQR 1.75 but I entered EQR 1.175.
  12. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    Yes, I type in 1.175 and 1.180 is displayed. If I...

    Yes, I type in 1.175 and 1.180 is displayed. If I copy the contents of the cell and past it to a text editor, I see 1.1750601 so I think the display rounds up to 1.180.
  13. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    Just to be clear, Calc VET should block LTFTs....

    Just to be clear, Calc VET should block LTFTs. Since I'm running Calc VET with a WBOS, why do you think after applying VET results the car ran so bad?
  14. Thread: LS6 944 Misfire

    by pormgb
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    OK, changed back display properties back to AFR....

    OK, changed back display properties back to AFR. If I set all fields 1.75 they default to 1.80. Is that normal?
  15. Thread: LS6 944 Misfire

    by pormgb
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    Ok, does this mean there is a problem with the...

    Ok, does this mean there is a problem with the O2s? or is this a configuration issue?


    Two months ago, I was getting P0133 and P0153. I switched out my front O2s for bosch 13111 and the problem...
  16. Thread: LS6 944 Misfire

    by pormgb
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    Yes. The short log represents the pre Vet tune....

    Yes. The short log represents the pre Vet tune. The car ran rich after applying the Calc Vet results but I did not log that run. I immediatly went back to the old tune.
  17. Thread: LS6 944 Misfire

    by pormgb
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    17,192

    Changed properties to display EQ Ratio and set...

    Changed properties to display EQ Ratio and set B3618 to 0.85
  18. Thread: LS6 944 Misfire

    by pormgb
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    17,192

    I wasn't aware of the need to disable fuel trims....

    I wasn't aware of the need to disable fuel trims. I read the Calc VET tutorial and summary notes and did not see that step.

    Are fuel trims disabled by setting B4205 to something like 140 degrees...
  19. Thread: LS6 944 Misfire

    by pormgb
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    17,192

    I checked the plugs and wires, and everything...

    I checked the plugs and wires, and everything looks good.

    I completed a Calc VET but the results made the car run very rough. I then tried applying only the MAF table and the car idled in the 12s...
  20. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    What areas of the MAF table seem low?

    What areas of the MAF table seem low?
  21. Thread: LS6 944 Misfire

    by pormgb
    Replies
    42
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    17,192

    MAF Plumbing. 22268

    MAF Plumbing.

    22268
  22. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    Yes, the MAF was corrected via my last Calv Vet. ...

    Yes, the MAF was corrected via my last Calv Vet.

    Do you recommend running another Calc Vet or can I manually raise some of the MAF table areas?
  23. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    I used the results of Calc Vet and blended both...

    I used the results of Calc Vet and blended both MAF and VE tables. I use a WBOS for the AFR reference.

    My old VE table is probably right. Calc Vet produced it. I never saw the benefits of the...
  24. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    Specs; Stock LS6 Intake 226,229 578,585 Cam...

    Specs;
    Stock LS6 Intake
    226,229 578,585 Cam
    LS6 Heads with Manley Valves
    Professional Products 85mm TB
    Delphi LS6 MAF
    SVO 40lb Injectors

    I set B0120 back to 4000.
  25. Thread: LS6 944 Misfire

    by pormgb
    Replies
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    17,192

    I see. I was not aware I was running MAF only,...

    I see. I was not aware I was running MAF only, that was not my intention.

    I just checked my tune and found B0120 set to 400. I think I did not set B0120 back to 4000 after my last Calc Vet.
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