How to Check Bearing Clearances

Verifying and adjusting bearing clearance is one of the most critical aspects of building an engine. In this segment, we dive into the mechanics of how to measure your crank, connecting rods, and bearings. 

The simple fact is that setting bearing clearance for a performance engine is something that cannot be short cut. There are no quick and easy ways to establish this critical clearance regardless whether the engine is a bone-stock cruiser or a road course animal that will endure hundreds of miles of abuse.

We will run through the basics on how to measure bearing clearance and illustrate how to avoid mistakes. This will also require some critical measuring tools. Let’s just put this right out front – measuring bearing clearance for a performance engine cannot be accomplished with Plastigage. Those little pieces of wax thread are not precision measurement dev

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