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 03-20-2009, 12:37 AM
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Any reason why my non-aspirated L36 NOT SUPERCHARGED car sounded like a supercharger? It was a cold winter and when I preformed a WOT it sounded almost identical to one, I almost thought gnomes had given me aspiration!
Old 03-20-2009, 12:49 AM
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Last time I heard something similar in a NA it was timing gears and chain. More than likely, you car was enjoying a nice deep gulp of cold air.
Old 03-20-2009, 06:41 AM
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I love how my CAI sounds when I punch it Such a nice rumble at around 2500 RPMs under a big load of going up hill, Razr just so you know N/A is for naturally aspirated (just so noone makes fun of you later) just means no forced air on the engine
Old 03-20-2009, 06:55 AM
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Besides the things already mentioned, the only other thing I can think of is that maybe the PCV should be checked. Usually if it'* not seated properly with an o ring under and above it..it will whistle.

Don't ask how I know..lol
Old 03-20-2009, 09:39 AM
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I have had a transmission problem that sounded like an */C whine. hehehehe
Old 03-20-2009, 09:51 AM
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Is this the whistle you have? Or is this a mechanical sound?
Old 03-20-2009, 05:04 PM
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No the */c sound came from under the hood obviously, but it was when I was at a stop light going uphill and it was really cold outside! I would imagine my K&N drop in had something to do with it??


Originally Posted by crunkfrunk
...Razr just so you know N/A is for naturally aspirated (just so noone makes fun of you later) just means no forced air on the engine
Yea it was late when I typed that up!! thanks lol, I'm not sure why I typed non-aspirated!
Old 03-20-2009, 05:20 PM
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ha i know the feeling, sounds like it was the IAC then (idle air control) letting in more air to the engine because there is a richer air fuel ratio while the engine is trying to warm up
Old 03-20-2009, 05:38 PM
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Also the temp gauge was at ..ooh..120, but I had to do a WOT I HAD TO!! Don't hate me... It sounds so nice.
Old 03-20-2009, 05:51 PM
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It'* not your fault, it'* that evil right foot.


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