2. Since it needed a new engine block to start, I found an early 350ci block. I had it cleaned up, bored 0.080 over, checked the deck height, and Silv-O-Lite pistons were inserted into the cylinders. A Summit Racing top end kit was applied to the fresh short block. That includes new 170cc aluminum heads, flat tappet camshaft, aluminum air intake, new timing gear set, and all the necessary gaskets.