Originally Posted by Cab_Burge
You might want to try adding a little more clearances, .0015 to .0020 on both the front and back sides of the thrust bearing by sanding it on some medium grit sandpaper on a really flat surface, measure carefully while doing that scope
Drag race motor live a lot longer with looser rotating clearances than they do with them a tiny bit to tight work twocents


I agree with Cab…..and if you do this, place the bearings together (same orientation as when installed) when clearancing them on flat surface , to keep them square. As opposed to sanding each half separately.

1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.