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Date Posted: 18:49:33 02/22/08 Fri
Author: JB
Subject: Re: The 305...Not a dumb question
In reply to: J 's message, "Re: The 305...Dumb question" on 20:54:47 02/21/08 Thu

The '87's were centerbolt valve covers, 8-bolt intakes, and 1 piece rear main, correct? I thought the same thing when I saw the roller lifter retainer, but then again, the Vortec designation lies in the head design. Watch out with flywheels/flexplates as the bolt circles differ from the pre-'87 engines. My only suggestion on the post-'86 engines would be to go ahead and convert from the stock o-ring valve stem seals and buy an after-market set of umbrella caps. The o-rings start to leak around 60-75k. Just my $0.02.

JB

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