upper intake on series 1 - 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 02-20-2004, 11:16 AM   #1
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Default upper intake on series 1

i was just reading around, and it looks like the 94 and up series 1 had a composite intake manifold - i was under the impression that all series 1 motors had the metal intakes... so...

1) is what i'm reading wrong?

if it'* correct, than

2) is it just as prone to upper intake failure as a series 2 n/a?

just wonderin cause i found a nice lookin 94 lesabre, and the thought of no leaky intakes sounded pretty nice... and a second lesabre would just be nice in general, cause i've loved the one we just bought so much...

matt
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Old 02-20-2004, 01:55 PM   #2
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92 was a transition year. Some of them have a ONE PIECE upper/lower of aluminum. The rest of the 92'*, and all the way through the 94'* have the composite/plastic upper, but it is NOT prone to the same problems as the Series 2.
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Old 02-20-2004, 02:55 PM   #3
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series ones have N/A more of a TB gasket problemn then anything else
but upper intake failure can happen but is less likely
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Old 02-20-2004, 10:37 PM   #4
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My series I had an intake failure and hydrolocked the engine. I'm glad it did cause now I have a lower mileage engine sitting in my car.
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Old 02-21-2004, 11:39 AM   #5
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its less likely to happen but i has happened
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