O ring block questions .
head that I got on my APE 408 engine . I don't want to spend the money on new heads now . I can do all the machine work myself . I just finished line honing the mains from that engine which was around 2 thousand under the lowest tolerance
and have only .0027 piston to wall clearance . So I have to redo the whole engine .What i the biggest hp you guys have made with stock casting . The heads have 69 cc cnc'd chamber . My plans is to go twin turbo .
Thanx


