Originally Posted By Cab_Burge
I would pull a couple of springs to find out what pressures they have now up
There is always a reason for a motor to change readings like your seeing, sometimes figuring out exactly what caused it is the hard part work whistling grin
Hopefully the cam is okay luck


Thanks Cab,
I will investigate the drop in RPM for sure. I will have to invest in spring testing tools.
Mark


1996 Ram 1500 Sport
1968 road runner
1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019