Turbo 400 into a 1980 Trans Am?

[pontiacgp]

Mark, now that you found the answer maybe you can update us in your cracked head thread....🙂

https://gbodyforum.com/threads/drive-with-a-cracked-head.73108/

 

[Pronto-]

403 came with a turbo 350. The the 200r trans is direct swap with a t350. A well built 200r can handle 9 second power.