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Gas Mileage

This is a discussion on Gas Mileage within the Firebird / WS6 forums, part of the Vehicle Specific category; I hope this is not a re-thread. I couldn't find anything on it I was wondering what people usually gas ...

  1. #1
    Junior Member mboodrx's Avatar
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    Black
    2001 Trans Am

    Gas Mileage

    I hope this is not a re-thread. I couldn't find anything on it

    I was wondering what people usually gas mileage-wise in their TAs and what changes if any you see with a change in wheels/tires.

    With stock tires I was getting avg 17 city, 22 highway
    Now with the new wheels/tires listed at the end of my sig I am getting 15 city, 18 highway. Now, I've only had them on for a few weeks, so I know this may not be exactly statistically significant... that being said I was wondering what you all are getting with your wheel/tire or other mods.

  2. #2
    Junior Member mboodrx's Avatar
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    Black
    2001 Trans Am

    Sorry, here are my mods
    2001 TA M6. LCAs, SFCs, adj PHB, Pacesetter Headers, off-road y-pipe, Magnaflow catback, Ram-air, predator tune, F18X9.5 275/35, R18X10.5 295/35.

  3. #3
    Member SAGGIN's Avatar
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    RED
    02 SS, 03 BMW 745

    I get 16-19/21-23 depending on how heavy my foot is.

  4. #4
    Member c5z28's Avatar
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    On your ass flashing
    my highbeams

    You might up the mpg if you ditch the predator for a real tune.

  5. #5
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    I average about 19 in the city and 30 on the highway
    Craig
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  6. #6
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    I'm getting 12 city 19 hwy. then again I need a tune.

  7. #7
    Junior Member mboodrx's Avatar
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    Quote Originally Posted by mboodrx View Post
    Sorry, here are my mods
    You're right I do need a real tune, I just wanted to wait till I had a few more mods before I spent the $$ on it so as not to have it go to waist

  8. #8
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    Quote Originally Posted by mboodrx View Post
    You're right I do need a real tune, I just wanted to wait till I had a few more mods before I spent the $$ on it so as not to have it go to waist
    Check out Frost, He's a member and a Sponsor

  9. #9
    cammed & slammed Kaotic_ws6's Avatar
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    Black
    2002 ws6 (6 speed)

    i average about 20, but thats with alot of city.. highway i get 25 or more
    1999 mbm Z m6/ forged 346, lt's, wires, ls6 intake, sts rear turbo.

    *SOLD*2002 black ws6- <Bolt ons, ls6 heads, mild cam, dyno tune, full susp. and 4.10s> --440rwhp/395rwtq

  10. #10
    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Quote Originally Posted by 9T8W66 View Post
    I average about 19 in the city and 30 on the highway
    me2

  11. #11
    Junior Member Archaelas's Avatar
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    Triple Black
    1998 Trans Am WS.7 Vert

    Quote Originally Posted by Mecinoid View Post
    Quote Originally Posted by 9T8W66 View Post
    I average about 19 in the city and 30 on the highway
    me2
    Same here

  12. #12
    Senior Member big hammer's Avatar
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    silver
    2002 ws6

    20 city 32 hw

  13. #13
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    I get like 10-12 around town if I drive it...
    If I baby it, I can get 14-15 around town.
    20MPG on the highway.

    M6, 4.11's

  14. #14
    Junior Member Raleigh TA's Avatar
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    Blue on white
    1999 Trans Am

    My old '98 TA got 20-22 in town, 29 hwy with 225,000 miles on it, stock manifolds, TSP rumbler cat back, 17" wheels.

    Haven't tested highway on my '99 TA but getting consistent 22-23 in town.

  15. #15
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    Black & Blue
    '02 WS.6 / '07 Suburban

    We have had our car for over a year now... and I have never bothered to check the mileage. Probably should do that next time we go on a road trip with it.

  16. #16
    GET SOME claytonr's Avatar
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    Pewter Metallic
    2002 Pontiac Trans AM

    Quote Originally Posted by Mr. Luos View Post
    I get like 10-12 around town if I drive it...
    If I baby it, I can get 14-15 around town.
    20MPG on the highway.
    ++1

  17. #17
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    Quick Silver
    2002 Z06

    My 98 gets about 19 in city if I drive nice and 29+ on the highway.


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  18. #18
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by claytonr View Post
    ++1
    When it was just cammed, it got 22-23MPG around town and 27 on the highway.
    With that car though, I don't care what it gets for mileage. I wouldn't have built it the way I did if it mattered.


    Although....20MPG on the highway isn't bad at all....for it's all motor 531RWHP.

  19. #19
    Senior Member Too Fast's Avatar
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    Quote Originally Posted by mboodrx View Post
    I hope this is not a re-thread. I couldn't find anything on it

    I was wondering what people usually gas mileage-wise in their TAs and what changes if any you see with a change in wheels/tires.

    With stock tires I was getting avg 17 city, 22 highway
    Now with the new wheels/tires listed at the end of my sig I am getting 15 city, 18 highway. Now, I've only had them on for a few weeks, so I know this may not be exactly statistically significant... that being said I was wondering what you all are getting with your wheel/tire or other mods.
    That highway MPG is really bad, that would be like if you never used 5th or 6th gear. I get 16-17 city, 26-28 highway, not tuned yet. My LT and ORY got me another 1.5 highway MPG. I'm hoping a tune this late winter will result in another 1-2 MPG highway along with more power. I'm going to get a mail order tune by Frost. I've always heard great results from people here, in regards to his tuning.

  20. #20
    Member Since 1998 Mecinoid's Avatar
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    '98,'00 Bird '03, 14 Vets

    Quote Originally Posted by Mr. Luos View Post
    When it was just cammed, it got 22-23MPG around town and 27 on the highway.
    With that car though, I don't care what it gets for mileage. I wouldn't have built it the way I did if it mattered.


    Although....20MPG on the highway isn't bad at all....for it's all motor 531RWHP.
    How true this statement is. Trudat !!!

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