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2001 B4c

This is a discussion on 2001 B4c within the Computer & Tuning forums, part of the LSx Technical Help Section category; Has anyone compared the 2001 (98-02)B4C tune to the normal Z28 tune. I now read couple places where the B4C ...

  1. #1
    Junior Member sleeper's Avatar
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    2001 Camaro

    2001 B4c

    Has anyone compared the 2001 (98-02)B4C tune to the normal Z28 tune.
    I now read couple places where the B4C is running more aggressive tune? also have read no differance; but they don't know for sure and then some say no. I have not got all $tuff yet to do this, just getting to P59

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    Junior Member 2001shpcamaro's Avatar
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    2001 camaro

    b4c

    I know it runs a little richer and the program is a lot different. But some people will argue,i have a 2001 b4c. And i think its different by a long shot

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    2001 z28 b4c

    I would like to know also. Would a hand held tuner help or hurt the factory tune if it is any different?

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    i would'nt mess with my tune...damn thing runs perfect!!!

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    Member SSpdDmon's Avatar
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    '01 Camaro SS

    I compared a stock f-body tune to a stock C5 tune (2002 for both) and there was quite a difference in the timing table and fueling tables. Some spots in the f-body tune had up to 9 degrees of timing taken out. For the most part, at WOT, from 1800-4800 RPM, is where the missing timing hurts the most (3*~6* removed from f-body). However, above 4800RPM the f-body had a little more timing than the C5 (2*~3* more). Also, the C5 tune had a commanded AFR of about 0.5:1 leaner than the f-body throughout the RPMs.

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