Quote:
Originally Posted by Pig Farmer
Just another data point... I too replaced my RBs with ACL Bearings. I bought a set of both the 8B150H-STD (standard) and 8B1580HX-STD (extra clearance) bearings and made a mixed set. I measured each bearings thickness at 90 degrees from the parting line and they were very consistent (+/- 0.0005mm). The engine does sound/feel a bit smoother after the install, but it could just be the fresh oil. I changed the oil after 400 miles and sent a sample to Blackstone for peace of mind. I didn’t expect to see anything unusual with only 400 miles on the oil (unless I seriously f*cked up the install) and was pleased to see zero lead. I now have 1000 miles on the ACLs and the engine is as happy as ever.
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Nice, and what clearance do you expect with the mixed set?