The MPG Post to end all MPG Posts
Okay, I know the question has been asked a couple dozen times (literally, just search :) ), and I'd like to form a post with all of the information right here - all in one place. So what I'd like people to do is answer the following questions. I wanted to go through old posts to re-construct MPG claims, but with CAI's becoming more common, I couldn't keep track of who got what when. Soooo, if you would answer in the following format, I would appreciate it. Once the replies start coming in, I'll edit this first post to reflect the people who have responded. If I'm feeling really motivated, I'll throw together a table to put on the web as a constant reference...
__________________________________________________ ___________ year: 1996 model: lesabre (bonnies, just put se/sse/ssei/sle) engine: L36 CAI?: Yes Other Mods?:No Best Observed HW MPG: 32 MPG Average Observed MPG: 27 MPG Best Observed City MPG: 28 MPG Average Observed City MPG 20 MPG |
Year: 1997
Model: Grand Prix GTP Engine: Series II L67 CAI?: Yes Other Mods?: 3" downpipe, High-flow Cat, U-Bend delete, Ported Exhaust Manifolds, 3.4" pulley, PCM, 180 t-stat, Autolite 104 plugs Best Observed HW MPG: 34 MPG Average Observed MPG: 29-30 MPG Best Observed City MPG: 27 MPG Average Observed City MPG 24-25 MPG Final Drive Ratio: 2.93 I'm doing this because I have the L67 engine, and the same results can be seen on a Bonneville. |
year: 1993
model: Bonneville SLE engine: L27 CAI?: Yes Other Mods?: N10 high flow muffler Best Observed HW MPG: 38 MPG Average Observed MPG: 25 MPG Best Observed City MPG: 15 MPG Average Observed City MPG 13 MPG (should be noted that I have alot of starts and stops in the city) |
Re: The MPG Post to end all MPG Posts
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year: 1992 model: SSEi engine: Series I L67 CAI?: No Other Mods?:No Best Observed HW MPG: 24MPG Average Observed MPG: 23 MPG Best Observed City MPG: 22MPG Average Observed City MPG 19 MPG Mileage 129,300 mi O2 sensor: ???? mi |
year: 1994
model: Eighty Eight engine: L27 CAI?: No Other Mods?: Magnaflow High Flow Cat Best Observed HW MPG: 33 MPG Average Observed MPG: 29 MPG (summer) Best Observed City MPG: 26 MPG Average Observed City MPG 22 MPG ______________________________________________ year: 1989 model: LE engine: LN3 CAI?: No Other Mods?:No Best Observed HW MPG: 30 MPG Average Observed MPG: 26 MPG Best Observed City MPG: 25 MPG Average Observed City MPG 19 MPG ______________________________________________ year: 1987 model: Ninety Eight engine: LG3 CAI?: No Other Mods?:Generic High Flow Cat Best Observed HW MPG: 28 MPG Average Observed MPG: 27 MPG Best Observed City MPG: 22 MPG Average Observed City MPG 18 MPG |
97 SE all original...no mods...best hwy 34 mpg...best combined ......28 mpg.....
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Year: 1993
Model: Bonneville SLE Engine: L27 CAI?: Yes Other Mods?: umm it was a really crappy figure for my.. Best Observed HW MPG: 40 Average Observed MPG: 27 Best Observed City MPG: 26 Average Observed City MPG 20-22 You forgot one VERY important factor.. ;) Gear Ratio : 3.06 |
my bad. forgot that not everyone here has 3.06...
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Year: 1998
Model: SLE Engine: L36 CAI: Yes(FWI) Other Mods: 1.9 Rockers w/ other valvetrain componets, PCM, PEM's, hi flow cat/resonator/muffler Best observed HWY MPG: 41 Average HWY MPG: 25 Best observed city MPG: 25 Average city MPG: 23 (I have a heavy foot :twisted: ) |
year: 1999
model: Bonnie SE engine: L36 CAI?: No Other Mods?:None Best Observed HW MPG: 30 MPG Average Observed MPG: 24 MPG Best Observed City MPG: 25 MPG Average Observed City MPG 22 MPG Original oxygen sensor. Plugs, wires 35K old. Total mileage 100K |
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