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Thread: Help please 2000 vette with big cam

  1. #1
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    Default Help please 2000 vette with big cam

    I got a 2000 vette that i installed a 237/242 .603/.609 112lsa. Im trying to do the auto ve. can get the car to idle right. I need a little help to maybe get to the ve where the car will idle. look be low for the tune file
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  3. #3
    R.I.P Shawn, 1956-2011 WeathermanShawn's Avatar
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    Your VE Table (Airflow Model) at 400-1200 Rpm's looks incredibly high for a car with such a large cam.

    Those values most likely would equate to more fueling at Idle than one would want. Normally, that would bog your car and then it would stall. My set-up is not as wild as yours, and my VE Table 'values' at Idle Rpm and MAP are ~40% (EFILive units).

    Give it far less fuel..perhaps more Desired Airflow, once you have your fueling worked out.

    Any tuning log(s) you have would also help.
    Last edited by WeathermanShawn; February 10th, 2010 at 12:31 AM. Reason: Grammer
    2002 Black Camaro Z-28 M6 Hardtop 11.0:1CR 425HP/410TQ SAE (400TQ@3500RPM)
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    I have a tune for a 239/251 on a 106 at home - 2001 346cu, Z06. It's a pretty well developed tune (100s of iterations) I'll post it later today.

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    i had that cam in my car..its am MS3...I THINK I STILL HAVE THE TUNE
    01 Z06, 4L60E CONVERSION, L92/L76 TOP END, 72# LS3 INJECTORS (THANKS FIC), DRY NITROUS, COS5

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    here you go!
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  7. #7
    Junior Member SirNemesis's Avatar
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    The desired idle speeds {B4603} look to be way too low for that size cam.

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    Quote Originally Posted by SirNemesis View Post
    The desired idle speeds {B4603} look to be way too low for that size cam.
    Actually, you can tune it a lot lower than that 1200 - I have. It will idle at 800 (stock).

  9. #9
    Junior Member SirNemesis's Avatar
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    Quote Originally Posted by bink View Post
    Actually, you can tune it a lot lower than that 1200 - I have. It will idle at 800 (stock).
    Agreed, but around 700rpm cold with an auto might be asking for trouble

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