Join Date: Sep 2000
Location: Washington, Michigan USA
Do you have a matched pair for your balancer and timing cover? The index mark on the balancer was moved 9 degrees counter-clockwise for '69, and a new timing cover was used with a relocated tab to match the new location of the index mark. Some people think they're all the same, but they're not; I see them mismatched all the time (old balancer/new cover, new balancer/old cover). You should also verify the balancer index mark and "0" tab position alignment using a piston stop tool to make sure the outer ring on the balancer hasn't slipped.
'69 Z28 Fathom Green