Thread: gas mileage

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  1. #301  
    I live here. DirtDog's Avatar
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    I average 102 miles per gallon and about 1800 miles per tank

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    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  2. #302 Re: gas mileage 
    SE Level Member Elrodd384's Avatar
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    Quote Originally Posted by marines542 View Post
    I average 102 miles per gallon and about 1800 miles per tank

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    You driving a Vespa?
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  3. #303  
    I live here. DirtDog's Avatar
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    Quote Originally Posted by Elrodd384 View Post
    You driving a Vespa?
    Nope just a gp gxp!!

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    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  4. #304 Re: gas mileage 
    SE Level Member Elrodd384's Avatar
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    Downhill the whole way?
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  5. #305  
    I live here. DirtDog's Avatar
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    Nope its my uphill mileage. U should see my down hill mpg'$

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    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  6. #306 Re: gas mileage 
    SE Level Member AlanP's Avatar
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    Last summer I drove to Mantle beach with cruise control set for 76 nonstop through entire tanks. Got 27mpg on each tank!
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  7. #307  
    I live here. DirtDog's Avatar
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    Quote Originally Posted by AlanP View Post
    Last summer I drove to Mantle beach with cruise control set for 76 nonstop through entire tanks. Got 27mpg on each tank!
    Still doesn't compare with my previously stated gas mileage

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    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  8. #308 Re: gas mileage 
    GrandPrix Junkie spazzz's Avatar
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    Quote Originally Posted by marines542 View Post
    I average 102 miles per gallon and about 1800 miles per tank

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    good to hear D.O.D. works
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  9. #309  
    I live here. DirtDog's Avatar
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    Lolololol yeaaaa sure I wish it benefited the car more but it don't

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  10. #310 Re: gas mileage 
    GTP Level Member joe0813's Avatar
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    bhahah i get a whole 14 city in my grand prix .... i fill it and the DIC says 250 to empty and i get probably 180 :/
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  11. #311 Re: gas mileage 
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    I've got an 04 Gtp and I get 21-24mpg in city, with my mods and driving like a grandma I love it.
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  12. #312 Re: gas mileage 
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    You use pagers and morse code too?!
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  13. #313  
    I live here. DirtDog's Avatar
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    Quote Originally Posted by Akuch26 View Post
    You use pagers and morse code too?!
    Been using this pager for awhile now

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    http://www.grandprixforums.net/my-06-gp-gxp-72403.html
    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  14. #314 Re: gas mileage 
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    i usually get 18.3-19.7 in my gtp according to the dic but i think it should be higher then that since i usually set the cruise to 74-75 on the highway
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  15. #315 Re: gas mileage 
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    Average around 28 mpg in the summer cruisin and 20 city. Winter has been like 17 city and 24 highway.
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  16. #316 Re: gas mileage 
    SE Level Member Comanche1959's Avatar
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    I haven't replaced my plugs in about 60K miles. My town-country driving has dropped down to 21.3 avg. Wonder what inprovement plugs would bring?
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  17. #317 Re: gas mileage 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Car says 150 miles on this tank and my low fuel light on the DIC came on 3 days ago.

    So that like 11 mpgs, also been 2 weeks since my last fill up. I bet almost half this tank was burned through idle time because its cold outside and I dont give a **** about fuel economy.

    SMGPFC Member #1
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  18. #318 Re: gas mileage 
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    I guess I see the benefits of the SE...

    I get between 24-26 average.
    Usually around 22-24 all city driving.
    I get 28-30+ highway depending on cruise. I got 33.4MPG on an overnight trip from Atlanta once when I had cruise set to 64.

    Thats why I love my 3.1L.
    Stock 2000 Grand Prix SE 3.1L - DD
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  19. #319 Re: gas mileage 
    GT Level Member PontiacL32's Avatar
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    I average 19-20 MPG city in the winter with 10 mins of warm up every morning.

    2005 Grand Prix GTP, 170,000 miles. Speed daddy headers with no cat, cone intake, MSD wires, flipped dog bones, transgo shift kit FOR SALE.
    2004 GTO six speed, stock for now.
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  20. #320 Re: gas mileage 
    Donating Users smitz327's Avatar
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    The best I can average city is around 17 to 18 MPG, The best highway was 27.5 MPG in the winter. That was on a trip from Washington DC to St. Louis averaging around 65 to 72 MPH just yesterday. Now on a full tank of gas, I got 420 miles according to the odometer on my GTP with 57K. Don't believe anyone that says they average more than 30 highway. I have 2 Grand Prix, one a GT and a GTP both 2 doors. Now in the summer time with my GT, I averaged about 28-29 on a pretty much flat surface
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