Series III upper intake - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-17-2004, 10:33 AM   #1
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Default Series III upper intake

Any news on this?
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Old 06-17-2004, 02:05 PM   #2
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Here is the link to the article.
http://www.clubgp.com/newforum/tm.as...mode=1&smode=1

Looks like there will be to many problems changing out the throttle body to be practical. If we put pipe plugs in, or weld shut, the two coolant holes in the lower manifold most of the problems will be solved.
Found a machinist that can make a reduced OD stovepipe for $30 or less, that will help with burn through.
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Old 06-17-2004, 02:10 PM   #3
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I still isn't going to stop the lower intake gaskets from rotting so it'* not the end all answer to stop the coolant issues overall on the II.
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