Gas Mileage w/ Mods
07-06-2005, 10:33 AM
#1
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Gas Mileage w/ Mods Just thought it was funny as I filled up yesterday and checked my mileage.
'99 Trans Am
A4, 3.42 gears
TCI 4000/2.7 stall
221/221 .558/.558 112 cam
Long tubes, no cats, true duals
In completely mixed driving (town, highway, interstate), with multiple WOT runs, the car still turned in over 18 MPG. I think on an interstate road trip with no WOT runs I could see close to if not over 25 MPG (previous best stock with 2.73 gears was 27+ on a road trip with very little WOT time).
Not too bad I dont think.
'99 Trans Am
A4, 3.42 gears
TCI 4000/2.7 stall
221/221 .558/.558 112 cam
Long tubes, no cats, true duals
In completely mixed driving (town, highway, interstate), with multiple WOT runs, the car still turned in over 18 MPG. I think on an interstate road trip with no WOT runs I could see close to if not over 25 MPG (previous best stock with 2.73 gears was 27+ on a road trip with very little WOT time).
Not too bad I dont think.
07-06-2005, 11:00 AM
#2
FormerVendor
Join Date: Jun 2005
Location: Southern Indiana
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Its crazy but i think i get just as good of gas mileage now as i did when i was stock. I took a 2,600 mile trip to florida and back last summer in my H/C/I stall car and got over 24mpg.
07-06-2005, 12:41 PM
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Originally Posted by josh99ta
Just thought it was funny as I filled up yesterday and checked my mileage.
'99 Trans Am
A4, 3.42 gears
TCI 4000/2.7 stall
221/221 .558/.558 112 cam
Long tubes, no cats, true duals
In completely mixed driving (town, highway, interstate), with multiple WOT runs, the car still turned in over 18 MPG. I think on an interstate road trip with no WOT runs I could see close to if not over 25 MPG (previous best stock with 2.73 gears was 27+ on a road trip with very little WOT time).
Not too bad I dont think.
'99 Trans Am
A4, 3.42 gears
TCI 4000/2.7 stall
221/221 .558/.558 112 cam
Long tubes, no cats, true duals
In completely mixed driving (town, highway, interstate), with multiple WOT runs, the car still turned in over 18 MPG. I think on an interstate road trip with no WOT runs I could see close to if not over 25 MPG (previous best stock with 2.73 gears was 27+ on a road trip with very little WOT time).
Not too bad I dont think.
) 
07-06-2005, 05:29 PM
#5
11 Second Club
4k stall and a cam with 13.5* of overlap at .05 (MS3). I don't get good city mileage at all. Probably 12-15 depending on traffic and how I drive. Best I've ever managed was something like 23-24 mpg going ~60 mph on a highway coming back from the track.
