When I had the washer I tried on both sides of the fp but ended up not using it because it gave a vibration even at idle.I did find my fp was bent .020 runout and got a new fp.

Last edited by Clanton; 04/09/22 02:57 PM.
GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/