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lmchevy 02-02-2008 03:44 PM
BEARING CLEARANCE
 
On a 620ci. chevy (4.750 stroke steel rods and 4.560 bore ) would you shoot for .003 or .004 rod and main bearing clearance.Max rpm on this engine will be 6500.Thanks

jmarksdragster 02-02-2008 04:49 PM
I would shoot for .003 plus or minus .0003 on rods and .0035 on mains plus or minus .0003 as well. You can use a half a set of .001 under or over to get your clearance close if needed.


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