Gas mileage sucks!
Thread Starter
Junior Member
Joined: Feb 2005
Posts: 45
Likes: 0
From: pennslyvania
Car: 86 trans am
Engine: 305 tpi
Transmission: 700r4
Axle/Gears: 3.27 9 bolt posi
Gas mileage sucks!
I used to get about 16 mpg city and now I'm getting 11 and the cars performance didn't change.
I have a adjustable fuel press reg and some other goodies but I dont think that could cause it.
I have a adjustable fuel press reg and some other goodies but I dont think that could cause it.
Supreme Member
Joined: Mar 2005
Posts: 1,539
Likes: 0
From: Honolulu, HI
Car: 2011 SS/RS
Engine: LS3
Transmission: Tremic6060
Axle/Gears: good enough
Did you check for vacume leaks? i know when i pluged up, and replaced all my vacume lines, i got better gas milage.
Thread Starter
Junior Member
Joined: Feb 2005
Posts: 45
Likes: 0
From: pennslyvania
Car: 86 trans am
Engine: 305 tpi
Transmission: 700r4
Axle/Gears: 3.27 9 bolt posi
I just recently replaced all of the vaccum lines and it helped a little but not much.
Last edited by silverbullet86; Jul 12, 2005 at 04:53 PM.
Supreme Member
Joined: Mar 2005
Posts: 1,539
Likes: 0
From: Honolulu, HI
Car: 2011 SS/RS
Engine: LS3
Transmission: Tremic6060
Axle/Gears: good enough
also dont do "jackrabbit" starts, ie: Dont put the petal to the floor once the light goes green, acclerate slowly and that should help with gas milage as well, (you dont dump more fuel in then what is needed to get going)
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MikkoV
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