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Thread: The "Tan Brick" aka my 1997 Express Cobra conversion

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  1. 09-23-2015 #33
    Nasty-Z
    Nasty-Z is offline
    Fuel Injected!
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    3.42 is the highest (Numerically lowest) gear available for the 14FF

    How about an Allison 1000 series and keep the 4.10's ? Works fantastic in my 8.1/Allison 2001 3500 Dually

    Allison 1000 Ratios
    1st 2nd 3rd 4th 5th 6th* R
    3.094 1.809 1.406 1.00 0.711 0.614 4.480
    * 6 speed available 2006-up but it is a retrofit to earlier models.

    TOM
    Last edited by Nasty-Z; 09-23-2015 at 03:50 PM.
    1994 3500 Dually , 502 (509) , 264HR , Edelbrock MPFI , PFI '7427
    1992 S-10 434 SBC/Tremec - '7427
    1986 Monte Carlo SS
    1984 S-10 , SAS, 496/700R4/205 , D44/14BFF -'7427
    1980 Z-28 496/700R4
    1979 Corvette 496/700R4
    1977 Olds 98 Regency 403/700R4
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