Name: ACL Subaru FA20 Standard Size Main Bearing Set w/ +.005in OD
Brand: ACL
Price: 189.86 USD
Availability: InStock

Question 1

What does +.005in OD mean?

Accepted Answer

The +.005in OD means the outside diameter of the bearing is 0.005 inches larger than the standard size. This is typically used when the engine block has been machined or modified, requiring a slightly larger bearing to maintain proper oil clearance.

Question 2

What other parts are needed when replacing main bearings?

Accepted Answer

When replacing main bearings, it's always a good idea to replace the connecting rod bearings at the same time. You should also inspect the crankshaft for wear and have it machined if necessary. Always use new main cap bolts and refer to the manufacturer's torque specifications.

Question 3

How do I determine the correct bearing clearance?

Accepted Answer

Bearing clearance should be checked using a precision measuring tool such as a micrometer or bore gauge. Refer to the engine manufacturer's specifications for the recommended oil clearance range. Plastigauge can also be used to verify clearance during assembly.

ACL Subaru FA20 Standard Size Main Bearing Set w/ +.005in OD

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