Name: ACL Toyota 1UR-FE/2UR/3UR-FE 0.25 Oversized High Performance Rod Bearing Set
Brand: ACL
Price: 139.40 USD
Availability: InStock

Question 1

What does '0.25' or '0.010' oversize mean?

Accepted Answer

During an engine rebuild, the crankshaft journals are sometimes machined to remove damage. This makes the journal slightly smaller. An oversized bearing compensates for this, maintaining the correct oil clearance. Always measure your clearances during installation.

Question 2

What if my crankshaft hasn't been machined?

Accepted Answer

If your crankshaft is still at the standard size, you'll want the standard size bearings. Using an oversized bearing on a standard crankshaft will result in insufficient oil clearance, which can damage the engine.

Question 3

How do I check bearing clearance?

Accepted Answer

The most common way to check bearing clearance is with plastigage. Place a strip of plastigage on the bearing surface, install the cap and torque to spec, then remove the cap and check the width of the flattened plastigage. Compare against the scale on the plastigage packaging to determine your clearance.

ACL Toyota 1UR-FE/2UR/3UR-FE 0.25 Oversized High Performance Rod Bearing Set

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