I'm looking at buying a 1979-85 Rx7 that a friend uses as a daily driver. I'm trying to decide whether to drive it as it sits, pull and part-out the 12A and replace it, or what. I'm considering a 13B or maybe even a SBC or 5.0 Ford.
As an IT7 driver, I know that 12A parts are getting scarce. Wonder what a 12A straight out of a running street car is worth.

Scott