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Thread: Zr1 Map sensor FAIL

  1. #1
    Tuner wadelieck's Avatar
    Join Date
    Jun 2008
    Location
    San Antonio
    Posts
    133

    Zr1 Map sensor FAIL

    Ok this is what i ran into. I have a 99 corvette with 88mm turbo so i thought i would add a 3 bar map. so i buy the map and the conversion harness from LF and put it in. Then i see that the 99's can only use the 2 bar OS. After spending some time tring to get a 3bar sensor to work in 2bar OS i found that I really cant control the fueling at ALL.

    Also when changing the Linear and offset i found out that you can not put a neg number in for the offset. because a Zr1 Map is

    Linear=312.50
    Offset=-11.25

    So I guess there is no way to use a 3 bar map in a 99 corvette because of the OS not being compatible? Or is there another way?

  2. #2
    Tuning Addict WS6FirebirdTA00's Avatar
    Join Date
    Jan 2005
    Location
    Concord, NC
    Posts
    8,093
    Update to an OS that supports 3 bar.
    Sulski Performance Tuning
    2000 WS6 M6 - LS6 (long block, refreshed top end), 10.8:1 CR, 90 mm ported FAST, Exo-Skel, 227/232 cam, QTP HVMC, EWP, GMMG, 9" w/4.11s
    2018 Sierra SLT 5.3L A8 - Airaid intake tube, GM Borla catback, L86 Intake/Ported TB