Stroking the crankshaft to your utmost 81mm will keep the RPM ability intact. Bores is often introduced out to 83mm, but test to help keep it below eighty two.5mm. There is no need for the Formula Atlantic crankshaft. Reject blocks which will need 83mm to scrub up, obviously You can find head destruction also.You will discover as lots of tuning theā¦ Read More