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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 06-12-2009, 10:24 AM   #1
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Few questions i never experienced with...

1. if i pull the oil filter out with the oil still sitting in the pan, will it start leaking everything out or just a little from whats left around the oil filter? (mine has a cracked gasket)

2. do other 3800 motors like in buicks or oldsmobiles have their O2 sensors bolted on top of the exhaust manifold like our bonnevilles?

thanks in advance
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Old 06-12-2009, 10:29 AM   #2
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There will be some leakage but all the oil will not come out. You will need to top of the oil after you put it back.
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Old 06-12-2009, 10:49 AM   #3
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Yes, all FWD 3800'* have their front O2 sensor in the exhaust manifold. (starting in 96 there are two. One in the manifold and one after the catalytic converter)
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Old 06-12-2009, 11:12 AM   #4
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great ill drop by to my scrap yard this weekend!
sorry forgot to add... will the bonneville pass emissions without a muffler? im thinking of cutting it off and putting a tip on it

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Old 06-12-2009, 11:29 AM   #5
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Don't know about emissions, but it will be very loud and will most likely get you pulled over.
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Old 06-12-2009, 11:30 AM   #6
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I agree. If its sound u want just upgrade the exhaust.
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Old 06-12-2009, 04:07 PM   #7
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Quote:
Originally Posted by Geforce View Post
Few questions i never experienced with...

1. if i pull the oil filter out with the oil still sitting in the pan, will it start leaking everything out or just a little from whats left around the oil filter? (mine has a cracked gasket)

Alot of synthetic oil users do that, change filter and not the oil after XXXX amount of miles, then just top off with a little synthetic
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Old 06-12-2009, 06:12 PM   #8
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after seeing this clip: YouTube - 1994 Pontiac Bonneville SE 3.8L L27 No Muffler Exhaust
that what got my idea, but the emissions worry me.
If not, then ill go with a flowmaster or magnaflow which ever i get my hands on first

im gonna have to get some kitty litter for the oil filter fix up, idiots at the shop must of given me a shitty *** filter or just bad luck
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Old 06-12-2009, 06:16 PM   #9
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If you want a loud exhaust then install a exhaust bypass valve. You open the valve, no muffler, close it, and you have a muffler.
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Old 06-12-2009, 06:45 PM   #10
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i dont see why the muffler would effect the emissions, i would say if u want to go for it
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