Hello again Harvey hope you are well.i.m back out in the garage again, working on pop, i have set the kickdown crimp with the sump off to get it right, the cam is at rest as it should be with just a little slack at linkage as you explained ast time we spoke,I only have about 3/4 inch of travel at full throttle linkage ,it is a holley 4 barrel carb at full throttle the cam hardly moves ,