- Joined
- Nov 11, 2013
- Messages
- 5,403

Ooo...so with a +040 do I actually have an 850 or is it just an 846?JFWIW, .020" of over bore will have ZERO effect on tuning. The issues were unrelated to the insignificant 9cc of displacement.
So many things get touched/neglected during a tear down & rebuild, it's logical to diagnose by symptom.