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  1. Transmission, Adapter, Transfercase Discussion
    can you use the 454 flywheel and clutch on a cummins using the 4 spd tranny?
  2. Transmission, Adapter, Transfercase Discussion
    I am looking into Swapping in a 4bt into my Blazer that currently has a 454. I have a 6.34:1 ratio early Gm NV4500 with NP205 that I had built several years ago. I am wanting to use a 4bt from a Chevy Bread van. My Bellhousing is a AluminumHydraulic version with the Slave on the Passenger...
  3. Transmission, Adapter, Transfercase Discussion
    I have a 6.34:1 Chevy NV4500. I am considering replacing my 454 with a Cummins 4bt in my blazer. I have read many postings, and there seems to be some problem adapting the 4bt to the Early chevy NV. I cannot see how a SM465, Th400, can be mated to the 4bt, but the NV that I have will not? I...
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