Re: More crank bearings

Posted by Bob on January 11, 2005 at 18:53:13 from (66.163.134.177):

In Reply to: More crank bearings posted by CNKS on January 11, 2005 at 18:19:12:

You can get UNDERSIZE inserts, such as .002", if the crank is not too grooved or out-of-round.

When the crank is worn excessively out-of-round, the problem you run into is that you still need adequate oil clearance between the crank and bearing, at the LARGEST diameter of the crank, but yet there will be excessive clearance at the worn part of the crank, possibly leading to "knock" and early bearing failure.

If you have the engine all apart anyway, and are buying new bearings already, ask a machinist you trust to check out the crank. If it needs grinding, you should be able to get it done for $60.00 to $150.00, and do the overhaul RIGHT.

Saving the cost of a grind, while it's all apart already isn't going to look very cost-efective if you put it back together, and have a knock, or low oil pressure.

Follow Ups:

• Re: More crank bearings CNKS 19:05:31 01/11/05 (0)

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