chevy 327

I'm building a 327 and have some good forged 350 Pistons with about a .125 dome. I'm using a 5.7 rod and know the piston will be in the hole but was hoping the dome will make up for it. The heads are 66cc chamber and have been milled a bit but don't know how much for sure. The block has been...

I have a from what I can find a 69' Chevy 327. I want to rebuild and get at least 300HP out of it. Is what im looking for is what I can use with what I have vs what I need to look into new. I have the stock heads wich I am told by my buddy that I bought the motor from that they are the smog...