Name: ACL 1955-1967 Chevy V8 265/283/302/327 .30mm Oversized Trimetal Rod Bearing Set
Brand: ACL
Price: 45.72 USD
Availability: InStock

Question 1

What does 'trimetal' construction mean?

Accepted Answer

Trimetal bearings have three distinct layers. A steel backing provides strength, an intermediate layer handles the load, and a soft overlay provides embeddability and conformability. This design balances durability and protection for your crankshaft.

Question 2

Do I need standard or oversized bearings?

Accepted Answer

If your crankshaft journals are worn or damaged, a machine shop can grind them down to a smaller, consistent size. Oversized bearings compensate for this material removal, maintaining the correct oil clearance. Always measure your journals after machining to confirm the correct bearing size.

Question 3

What is 'oil clearance' and why is it important?

Accepted Answer

Oil clearance is the small gap between the bearing and the crankshaft journal. This space allows oil to flow, creating a lubricating film that prevents metal-to-metal contact. Too little or too much clearance can lead to engine damage, so it's crucial to use the correct bearing size and check the clearance during assembly.

ACL 1955-1967 Chevy V8 265/283/302/327 .30mm Oversized Trimetal Rod Bearing Set

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