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Re: Old Muncie (M21) Questions
Posted to Transmission Forum on 9/2/2019

Pontiac 400 HO, and carb #7040263 but I didn't use a web site (although that link agrees), I used the giant stack of GTO restoration material that I have.

As to the rest of your questions, I really don't know. After obtaining the correct carb, bolting it on,... Login to read more.