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Re: New engines = no head retorque/oil change @500 miles - Why?
Posted to Technical Theory Forum on 3/15/2002 2 Replies

Hi Ernest,

I think your Corvette question is on target. The AERA recommends against using synthetic oil in rebuilt engines during the first 500 miles of operation, and I think it is directly related to ring sealing. When you think about it, there is nothing ... Login to read more.

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