BLACKTOP 20V 4AGE SECRETS

Stroking the crankshaft into a most 81mm will hold the RPM capability intact. Bores could be introduced out to 83mm, but test to maintain it beneath 82.5mm. There is no want to the System Atlantic crankshaft. Reject blocks that can require 83mm to scrub up, obviously You can find head harm also.I've used Northwest Motors up to now and will continue