Recent content by Hot Rod

Why would you hang on to them as most people would install new ones when rebuilding an engine to avoid having to replace them if one isn't working correctly. As far as comparison, the 396/427 should be the same, but the earlier 409 might use a different version but don't quote me on it.

I have been trying to help a buddy figure out an over heating issue that is driving me nuts logically with what I know of how thing should work. The car is a 34 Ford with a 350 small block Chevy engine which is stock with internals or cam shaft. The car has a HD Walker radiator and a 15"...