small block

Hello guys, what happened is that I put a new set of felpro performance head gaskets on my sbc 350 and I found some antifreeze in the oil again. I removed the left side and it was very tight, however the right side came off very easy, they both were tightened to 70lbs. As the block is a good...

I have a 70 nova and it had an inline 6 stock. I want to change to a 350. what all goes into the switch. what danger does it put on the rear end? I guess I just need to know whee to start.