Quote:
Originally Posted by alwayson
Mr. Morgan,
In the first post, you mention cooling down. Why in the name of kittens and America would you cool down?
From my point of view, once you get the oil to operating temperature (and thus viscosity), you would want to take advantage of that for as long as possible by taking a road trip.
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To let the rings relax to the bore shape. The free gap of the ring will colapse some with the initial heat and the ring shapes itself like an oval. It must cool and heat a couple times to relax and conform to round. The thinner the ring the faster it will conform. Racing rings do this very quickly while stock rings which are thicker take a couple heat cycles. This is the THE reason for heat cycles. That and the aluminu block must get all its initial movement out of the way as well.