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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 03-19-2006, 08:07 PM   #1
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Default Strange smoke?

It seems after going for a drive in the '96 with a few WOT runs, there was some smoke coming from the front of the engine, seemed almost below the exhaust manifold. This has been happening for a few days now, I think since I fixed the BCS.

I am not losing coolant. It is at the same level it always has been. Oil looks just fine - no bubbles, milky ****, or anything like that. Engine temp is fine, it isn't overheating at all. Also, the smoke smells strange. Not like exhaust or anything car related I've ever smelled. Exhaust from the tail pipes looks and smells fine.

Again, coming from the front exhaust manifold vicinity. I know when I was changing stuff old dried out electrical tape, possibly cracked wire loom fell down. Could it be that crap burning on the manifold? I can't see it, but otherwise I'm confused.

BTW, it is not enough smoke to see from the have to pop the hood to see it.

1996 Pontiac Bonneville SSEi - 190, 000KM - L67 3800 - 2.93 Final Gear Ratio - Rebuilt 4T60-HD w/transgo shift kit, 3.4" ZZP MPS, Oversized tensioner, NGK TR6'* @0.55", Belden Premiums, Magnaflow F-Body Muffler, Magnaflow Hi-Flow Cat. & resonator delete, CAI W/K&N RX-4750, Drilled 180 T-stat, Aeroforce Scan Gauge, Pioneer DEH-P7800MP, MTX Thunder Dome TDX6902 6x9'* on Rear Deck. MB Quart 6.5 up front. MTX 12" Sledgehammer w/custom ported box, 35% Tint all the way around.
1989 Pontiac Bonneville SSE - 222, 000KM - LN3 3800 - 2.97 Final Gear Ratio - RETIRED
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Old 03-20-2006, 04:05 AM   #2
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might be the tape...does it smell like tape?
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Old 03-20-2006, 08:58 AM   #3
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Definitely sounds like you dropped something on the manifold. If you have it available, hit the area (carefully, so you don't knock something else loose) with some compressed air. Try and blow any loose crap that hasn't already melted itself on.

A bit of degreaser/cleaner might help too.

Or, just watch it til it burns itself clean.... <-- That'* what I would do
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