You don't have to replace the stock motor to run a 700R4. There is an adapter kit available that will allow you to use a modern automatic behind the original motor. The Chevy and GMC kits are different.

What motor are you taking out?


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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