Thread: What are you averaging for gas mileage?

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  1. #1 What are you averaging for gas mileage? 
    SE Level Member boostedzx3's Avatar
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    It seems i'm getting around 19 to 22 mpg, of course I do mostly in town driving and haven't had a chance to go to virginia yet and get out on the highway.
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  2. #2 Re: What are you averaging for gas mileage? 
    GTP Level Member BlownBigBlock's Avatar
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    Did mostly all highway this past weekend, averaged about 32... Normally I'm in the 26 range, but I'm NA... Where ya at in Mechancisburg, I'm just down the road from ya.
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  3. #3 Re: What are you averaging for gas mileage? 
    SE Level Member boostedzx3's Avatar
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    O cool yea ya are. I am right up from the fork there right before Mechanicsburg where 641 splits into simpson ferry and main street. Theres a stone house that sits on the corner there and then i'm the next one up from that.
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  4. #4 Re: What are you averaging for gas mileage? 
    The Blue One blueguy's Avatar
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    I saw upwards of 30 mpg with a awesome tune, XP Cam, 3.2", Headers, LS1TB, etc...it is all in the tune IMO
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  5. #5 Re: What are you averaging for gas mileage? 
    GTX Level Member Juanmiguel's Avatar
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    18 mpg in town with a heavy foot.
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  6. #6 Re: What are you averaging for gas mileage? 
    DUI BABY Bio248's Avatar
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    i was seeing an average of 24 (mixed city and highway) after i got a tune and bumped the timing up during cruise. at part throttle i was still seeing 20* of timing.
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  7. #7 Re: What are you averaging for gas mileage? 
    GTX Level Member imdaman3's Avatar
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    i get around 280miles to a full tank 2003gt
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  8. #8 Re: What are you averaging for gas mileage? 
    The mod from over yonder TheOtherNick's Avatar
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    Tank of gas has lasted me 4 months.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  9. #9 Re: What are you averaging for gas mileage? 
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    Quote Originally Posted by 01GTP View Post
    Tank of gas has lasted me 4 months.
    You don't count....

    I get say 15 MPG because in my neck of the woods, as soon as you're up to speed its time to hit the brakes.
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  10. #10 Re: What are you averaging for gas mileage? 
    GTX Level Member real diehl's Avatar
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    With a rich tune I've been getting 23-24 average...
    signature removed for inappropriate content.

    -bio
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  11. #11 Re: What are you averaging for gas mileage? 
    GXP Level Member BwolfGT's Avatar
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    14-15 driving it NICE.
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  12. #12 Re: What are you averaging for gas mileage? 
    Donating Users alkygto's Avatar
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    I average around 24 MPG with all mixed city/hwy driving. On the Hwy I regularly see 28-30 on long trips. My GTO gets around 3-4 MPG if I stay out of the throttle and have a good tailwind.

    1997 Pontiac Grand Prix GTP
    1969 Pontiac GTO
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  13. #13 Re: What are you averaging for gas mileage? 
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    Got like 12mpg on my last two tanks.. been like 80% city.. oh well.
    2001 Pontiac Grand Prix GT : Stock and slow and SOLD.
    2001 Pontiac Grand Prix GTP Special Edition
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  14. #14 Re: What are you averaging for gas mileage? 
    GT Level Member djrepoman's Avatar
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    25 to26 mpg avg. @320 miles per tank
    2000 GT ,E85 powered, and still slow

    98 GTP Stock
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  15. #15 Re: What are you averaging for gas mileage? 
    Donating Users dirtmaster88's Avatar
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    15 in winter mostly city runnin rich on my tune

    2004 GTP CompG - 3.6" ZZP MPS, K&N CAI, 180* Tstat, SSAC Headers, ZZP Flex, high flow cat, borla exhaust, DHP/danthurs tune, AL104s, ZZP Wires, alt re-wire, slotted/drilled rotors, 35% tint, alpine amp + sub
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  16. #16 Re: What are you averaging for gas mileage? 
    Donating Users dirtmaster88's Avatar
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    Quote Originally Posted by dirtmaster88 View Post
    15 in winter mostly city runnin rich on my tune
    Cleaned like a pound of carbon out of my throttle body and the DIC average went way up almost immediately after a few days of driving. I'm probably around 18-19 now. Will have a more accurate number next time I fill up.

    2004 GTP CompG - 3.6" ZZP MPS, K&N CAI, 180* Tstat, SSAC Headers, ZZP Flex, high flow cat, borla exhaust, DHP/danthurs tune, AL104s, ZZP Wires, alt re-wire, slotted/drilled rotors, 35% tint, alpine amp + sub
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  17. #17 Re: What are you averaging for gas mileage? 
    GT Level Member kjclawson's Avatar
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    for the most part will a tune improve gas mileage?
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  18. #18 Re: What are you averaging for gas mileage? 
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    yes
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  19. #19 Re: What are you averaging for gas mileage? 
    GTP Level Member OrangeL67's Avatar
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    21-23 city 26-28 Highway with the mods in my signature. Bet I'd get alot better gas mileage if I tuned it better, but I'm happy with it, and Its hard to get awesome mileage without tuning out some of the power

    VS cam build 13.01@107 316whp/ XP build #1 12.78@110 334whp/ XP build #2 12.56@113 347whp
    IS3 Cam build (Ready to put out some serious numbers)
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  20. #20 Re: What are you averaging for gas mileage? 
    The mod from over yonder TheOtherNick's Avatar
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    Quote Originally Posted by OrangeL67 View Post
    21-23 city 26-28 Highway with the mods in my signature. Bet I'd get alot better gas mileage if I tuned it better, but I'm happy with it, and Its hard to get awesome mileage without tuning out some of the power
    No its not. WOT and Cruise are two completely different fueling tables.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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