8. With the chassis painted and the masking removed, it’s time to get down to business. You’ll notice three holes in line across the top of the framerail as well as two elongated holes on the crossmember. These are the stock motor mount holes. The inline six-cylinder motor mount picked up the top two rear holes and the lower, innermost hole, while the V-8 mount pickup up the top front holes and outer elongated hole on the crossmember.