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  1. #1
    LTX Regular


    Status
    Offline
    Join Date
    Nov 2011
    Name
    Marc
    Vehicle
    1995 Formula
    Location
    magnolia, DE
    Posts
    403

    Default backspacing question

    What backspacing would i need for 15x4 fronts? I have stock size brakes. 1995 formula.
    1995 FORMULA M6

  2. #2
    Lurker


    Status
    Offline
    Join Date
    Dec 2010
    Location
    west chciago
    Posts
    918

    Default

    I believe 4 1/2

  3. #3
    10 Second N/A Club


    Status
    Offline
    Join Date
    Sep 2008
    Name
    Josh
    Vehicle
    96 Z28
    Location
    Holden, MO (KC)
    Posts
    2,867

    Default

    For a 15x4 you'll want 1.75" BS, what wheel?
    -Josh
    co-owner of BDBRacing.com
    NMCA OC 9004
    96, N/A 385, Holley EFI, Faceplated M6, AI TFS heads, LE SR cam, MWC Fab 9
    10.16 @ 136 1.50 60'........still workin on that 60' shootin for 1.4's!

  4. #4
    InActive Member


    Status
    Offline
    Join Date
    Jan 2014
    Name
    Lee
    Vehicle
    96 Trans Am
    Location
    South Bama
    Posts
    47

    Default

    Mine are 1.5"bs, with LS1 brakes. Weld RTS.
    96 Trans Am - 383 - M6 - twin disk - MWC 9" - Weld RTS's
    07 Avalanche - 01 Z71 Burb - 92 Silvy - 89 CC Dually

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