General LSX Automobile Discussion Non-technical LSX related topics.

Your Mods and MPG

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Old 12-16-2007, 10:40 AM
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Mine stock driving mostly thru way about 13 miles each way i think i get 20mpg in 6th gear @60mph, but its also with shitty traffic on the thruway not driving more then 30 at some points. I thought it was from being in 6th gear at 55-60mph which is under like 1,500rpm. that could be too much load at that RPM you think? I do have the K&N SLP Air lip smooth bellow thingy too. thanks.
Old 12-16-2007, 10:42 AM
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I get mostly around 20-22 MPG all highway and I'm untuned. Hoping to get some back with a tune after my H/C install
Old 12-19-2007, 09:14 PM
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00 Formula m6 stock paper filter -152,900 miles 26mpg highway get around 21-22 mixed driving

00 Fixed roof vette- 30mpg highway 23-24 mixed driving

I never really get on any my cars. I drive fast but don't accelerate or drive aggressive
Old 12-19-2007, 09:21 PM
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Originally Posted by tpduke112
Everytime this question is brought up, why do people like to give the gas mileage they got on a crosscountry trip with few stops and good conditions? I never understood it. That isnt they way that you drive the car most of the time. Not that I care, and not that this thread is as bad as most, but I was just wondering??? When people ask what is your MPG, the typical response is, "I got 32 MPG on a trip from Wyoming to Kansas........."
I'm interested in that info because most of my miles are on highway trips between school and home or the gf's school. But that should only be ADDED to normal driving mpg.

Keep up the posts! This thread is re-inspiring a change from an import to an LS1!
Old 12-20-2007, 02:02 AM
  #25  
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01 Z28 M6 - 408, H/C, full exhaust, 3.73's
On average probably 10-12.
Old 12-20-2007, 10:14 AM
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Anybody have numbers for a a4 car with small stall and heads/cam/headers? Nearly all the above cars have been 6 speeds
Old 12-20-2007, 10:27 AM
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Just out of curiosity, do the a4 fbody's have a lock-up torque converter?
Old 12-20-2007, 10:56 AM
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Originally Posted by Shooter_Jay
Just out of curiosity, do the a4 fbody's have a lock-up torque converter?
yes from the factory
Old 12-20-2007, 11:00 AM
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with mods in sig i have yet to determain gas milage, its goingto be a lil less esp since mines almost all city.
i get @ 200 miles per tank, but i never let it got less then 1/4 tank ever!. im not hard on it all the time but when i am im all throttle or nothing. i figure city im getting mabey 14 ~ 15 on highway i was getting closer to like 22~23

3.73 gears and 3400 stall arent made for mpg in the city!
Old 12-20-2007, 11:01 AM
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I get about 15 mpg around town and a little bit of highway. And that is with the occasional beating.
Old 12-20-2007, 11:12 AM
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i was runnin cam, full bolt-ons, untuned on a 02 ws6 m6 33K miles and i was gettin 22hwy and about 16 mixed. my stock a4 00 z28 i got 27 hwy with it, and i tend to get on it occasionally
Old 12-20-2007, 11:58 AM
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Originally Posted by 3rdgentug
yes from the factory
I figured it must, that'll help the mileage a bit.
Old 12-23-2007, 09:29 PM
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~15mpg city only
~29-31mpg highway

the foot can affect those numbers GREATLY. i think my tune is pretty rich though...i'm about to stick on some heads and a re-tune so we'll see where it goes from there...
Old 12-23-2007, 10:04 PM
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Mid 20's in the highway. * Untuned... A lead foot doesn't really help with MPG..




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