Well that was on the list of options but I wouldn't know where to go with it on lift,dur.I have heavy springs in the heads[280/680#] that I wanted to swap for my old .590 lift cam springs barely used.
ps:The springs on my head are PSI DR1260ML minus the damper spring.
Originally Posted by fast68plymouth
I’d put the .080’s on, and either replace the cam or get it reground.

Last edited by Clanton; 11/19/19 06:05 PM.
GOTBOOST!New improved with Victor heads.
http://www.enginelabs.com/mopar-big-bloc...t-of-necessity/