LT1 Gas Mileage
Registered User
Joined: Sep 2004
Posts: 631
From: Saskatoon, SK
Re: LT1 Gas Mileage
I have an A4 and 3.23s, last summer i checked it and i think it was 11 (all city, short trips). Next couple fill ups im going to check the mileage again and also hook the car up to a scanner to check the o2s.
Registered User
Joined: Apr 2003
Posts: 1,188
From: Western New York
Re: LT1 Gas Mileage
i get about 18-19 mpg when i dont drive like a maniac. if i do drive like a maniac, about 17 mpg. Not too bad with mods in sig and with 140,000 miles, if i dont say so myself. 
id say replace your o2's if they have 60,000-70,000 + miles on them. How bout a new pcv valve? ALso fuel filter, and of course plugs & wires if their old.
id say replace your o2's if they have 60,000-70,000 + miles on them. How bout a new pcv valve? ALso fuel filter, and of course plugs & wires if their old.
Last edited by sabre81; Apr 14, 2005 at 11:03 AM.
Registered User
Joined: Sep 2000
Posts: 3,223
From: Browns Mills, New Jersey
Re: LT1 Gas Mileage
Originally Posted by GKs96Z28
My LT1 is getting 3.73's in a few weeks, but other than that, all I have is a CAI. Nowhere near your mods, but FWIW, I get high teens to 20 in town (if I shave a little lead of my foot) and upper 20s on the interstate.
Registered User
Joined: May 2004
Posts: 666
From: A-town, TX
Re: LT1 Gas Mileage
Originally Posted by LT1Squirrel
93 3:23 M6 here, i get about 14 MPG overall, 99% in town, 1 % highway....the thing that makes it that bad is that my car never warms up in time to get into closed loop 
im connfussed,
if you let your car warm up and get in closed loop you get better gas milage??????if so how long does it take to get into closed loop??? 
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