Don't want to highjack this post but I have a couple of questions. Does the R1 require less grinding to use roller lifters than a R3 and is the R1 a better block than the X block? Again, intended use is a W2 head engine.

Last edited by lowell66dart; 07/09/09 08:02 PM.

2021 Dodge 2500 4WD Cummins
2020 Challenger R/T Scat Widebody
2007 Charger R/T 5.7