Sorry folks, I thought I had deleted this... its an article that showed how the imbalance is divided between Damper & Flywheel. EG the 50 oz factor has 34 oz in the damper & 16 oz in the flywheel. The above link does not work, my fault.I'll just leave this here..
enginelabs.com/engine-tech/engine/external-balance-curious-case-of-counterweight-confusion/
Do you have an extra oil feed to the rear oil gallery via the cutaway portion of bell housing at top?View attachment 127057Flywheel weight position at TDC
The cut out is for the slave cylinder clearance on the adapter plateDo you have an extra oil feed to the rear oil gallery via the cutaway portion of bell housing at top?