Originally Posted by John_Kunkel
Very common problem, a good shop should fit the cam before returning the block to the customer. A bearing scraper or an old cam with diagonal cuts on the journals can be used to size the bearings.


I remember having this issue with my new KB block and new cam. I was horrified when my old engine builder (godspeed) brushed some blue stuff on the bearings, turned the cam and scuffed off the high spots with what looked like an old penknife ! We are still running the same block and cam 11 years later blush grin up

'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03