How Fast Will It Go?

[Chuck Sea/Tac]

Originally Posted by Kurt in NJ

from the crankshaft print--
shaft must be in balance dynamically within 3 ounce inch at any one point of reference, shaft must be in balance statically within 3 ounce inch

on the rod print there is a weight tolerance of +/- 1 gram at each end ----modern engines mostly have larger tolerances

what percentage of rebuilt engines do you think have been restored to original tolerances

Originally Posted by George Miller

babbitt is lost because of bad babbitt jobs, loose bearings, lack of oil to the bearing, lugging.
I use to race chev 6 cylinders with babbitt rods and babbitt line inserts in the mains. never lost the babbitt, did break a couple of pistons.

X’s2