Which Intake Gasket to use? - 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 05-10-2008, 12:37 AM   #1
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Default Which Intake Gasket to use?

Pulling the motor and repairing the bottom end . This is a 1996 SeriesII with supercharger , Vin 1 . I noticed in other posts about using the GM aluminum framed gaskets , PN#189017816. Will these work on my engine or is it just for newer motors?
PS , love this forum . As a Mechanic , I still find things I never knew about ... Knowledge is power!
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Old 05-10-2008, 12:39 AM   #2
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you won't get very far with that number, all of GM'* part numbers are 8 digits...

89017816 is what you need, and yes it will work on your 96 L67
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Old 05-10-2008, 12:42 AM   #3
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Opps , couln't read my own writing .. thanks for the quick responce !
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Old 05-10-2008, 09:35 AM   #4
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Our advice is to use the aluminum frame gaskets and change out Dex for "mixes with any color or type" coolant. Don't be put off by parts counter clerks whose computer says the gasket will not work with your car. The newer style LIM gaskets (including the aluminum frames) have side rail seals (LIM to block) with plastic locating pins that fit into holes on the outside edge of the block side rails on engines manufactured since mid 1997. Older engines do not have holes for the pins, but the new seals will work just fine. The pins will just hang over the edge.
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Old 05-10-2008, 08:29 PM   #5
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Quote:
Originally Posted by harofreak00
you won't get very far with that number, all of GM'* part numbers are 8 digits...

89017816 is what you need, and yes it will work on your 96 L67
L67'* need LIMS done too?
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Old 05-10-2008, 08:36 PM   #6
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Well I'll be using the aluminum GM gaskets. Anything else ? My normal choice is usually Fel Pro gaskets. Any updated head gaskets?
Darren
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Old 05-10-2008, 09:14 PM   #7
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When I changed the gaskets on my son'* 99 SSEi they gave me #89017825 lower gasket. I used the GM supercharger gasket. There'* also two O rings that go between the supercharger & lower intake. The coolant elbow also broke when removing. That seems to be the norm. I also cleaned the throttle body so that gasket was also needed. It'* also recommended to replace all 12 fuel injector O rings.
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Old 05-11-2008, 12:31 AM   #8
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I always change the injector o-rings on anybody'* car when I remove the fuel rail , just a common thing I do . The elbow will be replaced and I'm going to get the supercharger gasket with the o-rings thru my GM dealer.
All this trouble just because of old intake gaskets leaked internally. Guess it could of been worst , it could of thrown the rod thru the block instead of spinning the bearing.

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Old 05-11-2008, 03:14 PM   #9
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Quote:
Originally Posted by canadianclassic
... My normal choice is usually Fel Pro gaskets. Any updated head gaskets?

Darren
Not that we are aware of. The head gaskets typically do not fail. The only time we see them changed out is on this occasion, when the pistons need to come out. I think FelPro head gaskets will be fine.

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Originally Posted by popatim
...L67'* need LIMS done too?
Yes sir. Especially if they are '96 or newer and shipped from the factory with Dex. And even the bulletproof L27 shipped with green coolant will eventually need LIM gaskets changed out.
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