Discussion Starter · #1 ·
I been searching the forum but can't find what I am looking for. I checked my rod bearing clearances last night using a mic and mitutoyo bore gauge. I was able to play the shell game and get all rods to .0022" -.0023" I am concerned based on what I am finding on-line that for a mild performance build this may be border line tight. This is a 454 .030 over about 10-10.6 :1 CR depending on heads on a forged crank and Scat rods with 7/16 ARP Bolts. Plan on about 6K Max RPM I am considering some X bearings. Using one shell "should" get me to .0027 -.0028". That seems borderline too Loose? Just wondering if it is worth getting the X Bearings. or living with the clearance I have. They are King HP Series Bearing BTW.