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.

What can i Do?

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Old 12-31-1969, 07:00 PM
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I really want to give my good old 3800 some more umph.. i have a 1995 se stock i want to do some mods but cannot find any anywhere... can any one help?
Old 12-31-1969, 07:00 PM
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I know they make a K&N air filter for it. I am sure you could have exhaust done. The only exhaust I could find was Borla so I went to my local CAR-X and asked them what I could do. I ended up going with the LS1 80-Series Flowmaster muffler running out through Borla tips. It is on kinda on the loud side but it but I saved about $260.00 over the Borla. It took some low end away but it seems stronger mid range and up top.
Old 12-31-1969, 07:00 PM
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Yeah but i'm looking for some lowend.. i have the tranny out of a big buick the is geared are 2.84 it now lacks on the low but hauls *** on the high end. i was gonna put a cherry bomb and make a fender CAI. what do you think. how much did you exhaust end up costing?
Old 12-31-1969, 07:00 PM
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The muffler was 80.00 and they charged me 100.00 to do the custom bending. The tips were the expensive part but I couldn't find any others I liked so they were 80.00 a piece. So all together I spent 340.00. I have been out at ClubGp a lot and they swear by the CAI but my Bonneville actually gets air from behind the headlight so it looks like it might actually be kind of like a CAI already. The CAI will probably help more mid range and top end also. I am still learning about these cars so someone correct me if I am wrong on the CAI.
Old 12-31-1969, 07:00 PM
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Yeah that'* what i heard but i love the sound.. i was thinking of going with the thrasher CAI... did you have stock duel pipes? i went to mineke and they said the would put a dynaflow and duel pipes for 150.
Old 12-31-1969, 07:00 PM
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The previous owner had someone hack into the exhaust and ran it out to dual Supertrapp mufflers. Unfortunately, the Supertrapp'* or the catalytic converter unloaded and clogged up the mufflers so I had to do something. My exhaust now is pretty much like stock with a LS1 Flowmaster muffler. It goes in 3" and comes out dual 2 1/2" just like stock. The guy that did the work took almost 1.5 - 2 hours to make sure the muffler was tucked up like stock and to make sure the tips came out centered. It is much louder now than the Supertrapps were but I like it.
Old 12-31-1969, 07:00 PM
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I didn't check at Jet but I e-mailed Hypertech and they flat out said they do not make anything for our cars.
Old 12-31-1969, 07:00 PM
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Might want to try SuperChips. They claim to make a chip that will work.

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Jeff
Old 12-31-1969, 07:00 PM
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I did 3" because our engines can rev to 7k stock and we make our power at about 5200rpm for the horsepower and 4000 rpm for our torque.
7k stock?? :???: My '92 SE has an indicated redline of 5500rpm, but unless manually shifted it only takes it up to 5k with every shift. Regardless, past 4k it is starting to choke anyway. Now I have driven newer 3800s (the Series II) and they redline at 6k, and weren't much more revvier than my own car. I'm sure an exhaust might help it pull a little harder, but the heads/cam would still be a bottleneck. Any thoughts on this?

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<font size=-1>[ This Message was edited by: csprague on 2002-01-17 15:46 ]</font>
Old 12-31-1969, 07:00 PM
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LSDs are just coming out for the 4T65-E, something to think about The guys at ClubGP have more info.


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