You can take an easy .100 from the head/deck and keep the stock pushrods.
Cam? KEEP IT SMALL!
The Slant is handicapped from birth with too small a bore, (for the stroke) and too long a rod.
Result..below 3000 rpm or so, it will be a dead suck pig no matter what you do.
Look at the Comp Cams RV grind they have listed on Summit.
