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Thread: Engine codes

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  1. #1
    Wink is offline CHR Junior sMember Visit my Photo Gallery
    Join Date
    Jun 2018

    Engine codes


    Hi all, looking for some help coding a 454. I'm showing the back engine code T14 and 3999289 which I thought was Tawanaka plant, a 1971 or 71 to 74? Another code on the front passenger side reads T0910TRW which shows a Tawanaka plant Sept 10th and a truck engine? I'm trying to put new plugs in which look a little rich and the plugs in it are ACDelco R45ts. Look short because of headers. Any help would be appreciated. Thanks

  2. #2
    glennsexton's Avatar
    glennsexton is offline CHR Member/Contributor Visit my Photo Gallery
    Join Date
    Mar 2005
    Car Year, Make, Model: 63 Nova SS

    Codes for TRW as follows:

    Code Year CID HP Model Comment
    TRW 1974 454 245 Truck LS-4 VIN Z, L, f.d, 20, 30
    TRW 1979 454 210 Truck LF-8 VIN S, fwd, 20
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