What year did GM start using the better LIM gaskets
DINOSAURUS BOOSTUS
Expert Gearhead
Joined: Mar 2005
Posts: 41,391
Likes: 30
From: Enfield, CT
IIRC it was around 04-06. Not entirely sure though. If you look by the thermostat where the head and intake come together you can see if it'* plastic (black) or new aluminum and silvery
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cvc
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Oct 24, 2006 04:04 PM