@lewm,
"lubrication is made more effective as well on a smaller tighter tolerance contact also,"
I agree. Just take a look at the newer automobiles with tighter cylinder/piston tolerances that use thinner viscosity oils...
"lubrication is made more effective as well on a smaller tighter tolerance contact also,"
I agree. Just take a look at the newer automobiles with tighter cylinder/piston tolerances that use thinner viscosity oils...