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.

I narrowed down my sucking noise....

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Old 07-13-2006, 12:25 PM
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Footpounds /12 = inchpounds.

Edit - Too slow!
Old 07-13-2006, 01:40 PM
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Originally Posted by Bonneville94V688
Originally Posted by willwren
No aluminum framed gaskets for Series 1. Use Fel-Pro or OEM.

Torque sequence should be a zig-zag. Torque in stages. Half torque zigzag, then 3/4 torque value zigzag, then full torque zigzag.

Sanding down the LIM is not good practice. It could cause vacuum leaks at idle and Boost leaks at WOT.
Alright cool, no sanding here, I'm really careful at what I did. So zigzag and do torquing in sequences... what should I tighten them down to?

EDIT - Found it in techinfo.
Maybe YOU didn't sand that manifold, but SOMEONE did.
Old 07-13-2006, 02:13 PM
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Originally Posted by willwren
Maybe YOU didn't sand that manifold, but SOMEONE did.
He didn't and neither did anyone else. He used a DA with a scotchbrite cookie on it.

Old 07-13-2006, 02:15 PM
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Originally Posted by willwren
Originally Posted by Bonneville94V688
Originally Posted by willwren
No aluminum framed gaskets for Series 1. Use Fel-Pro or OEM.

Torque sequence should be a zig-zag. Torque in stages. Half torque zigzag, then 3/4 torque value zigzag, then full torque zigzag.

Sanding down the LIM is not good practice. It could cause vacuum leaks at idle and Boost leaks at WOT.
Alright cool, no sanding here, I'm really careful at what I did. So zigzag and do torquing in sequences... what should I tighten them down to?

EDIT - Found it in techinfo.
Maybe YOU didn't sand that manifold, but SOMEONE did.
Hmm... no signs of sanding, but it could have been done. Not sure if the dealer would have did that or not.
Old 07-23-2006, 11:58 AM
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All done as of today. For some reason, I am now pulling the full stock boost, I know that because I got some wheelspin with traction on, as with before, I didn't.
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