A '71 Chevy didn't have a 302 or 305 from the factory. Could it be a 307?

The 350 should be an easy swap into the '71 regardless of what was in there, but the exact details might change if someone had already replaced the motor with something non-original.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...