I have a 1961 Chevy w/a bad 6 w/a 3 spd trans. I would like to put in a V-8. The 6 mounts in the front, the 8 mounts on the side. There are no holes in the frame. Can someone help me w/this & tell me about trans & rear problems I might have? Also, can you tell me where I can get the parts I need?