Quote: If it was my own engine I would run a 55-60mm camshaft, over the factory journals. Probably overkill at the moment, but if you step it up later you don't have pay more $$$ to have the cam tunnel machined for it. A vacuum pump can always be added later on, I would go with at least a 0.043" top and second ring anyway, rather than the old school 1/16" ring.
Yep I did at least order the block with the 54mm cam journals. and I'm split on if I should go 1mm top and second ring or .043.
Greg
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