1956 Pontiac transmission

Asked by Feb 05, 2019 at 07:44 PM about the 1956 Pontiac Chieftain

Question type: Maintenance & Repair

What do I need to do to put a 350 transmission in a
1956 Pontiac with a 389 motor.

7 Answers

235,555

Check out wilcap dot com for transmission adapters. Are you sure it is a 389? Your year car came with a 317. The 389 came out in 1959.

We replaced the motor with a 1960 389.

235,555

Same basic engine architecture.

Thank you

Would the stock drive shaft work

235,555

Not likely. If it is the right length you could probably have a drive shaft shop modify it. If not they can make a new one.

235,555

If this is a hot motor you should consider a turbo 400 or a later 4 speed auto with overdrive.

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