79 Rebuild Help
 

Well I finally got my project car. Quite a lot to do on it.

The tranny needs to be rebuilt, at least that is what I have been told. It goes into park, reverse and neutral, but will not do anything when in D, 2, 1. How do I determine what type of tranny is installed in it now? The engine is a 351W and the tranny is an automatic.

Any help appreciated.

Thanks

It's most likely a C4 (maybe a C6).

Any obvious marks on the casing? I haven't looked at it yet, gonna do that tonight.