Thread: terrible gas mileage?

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  1. #21 Re: terrible gas mileage? 
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    ha its already bad no reason to stop smaller pullies is only reason im keeping my car
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  2. #22 Re: terrible gas mileage? 
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    only reason im keeping the car is to drop pullies and i will always continue to try fixing it sooner or later i will find it and i am gonna switch to e85 down the road so
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  3. #23 Re: terrible gas mileage? 
    I AM PEWPIN! rynoman03's Avatar
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    You need flow mods before pulley dropping schmee! You have a dp which isn't enough!
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  4. #24 Re: terrible gas mileage? 
    GTX Level Member asite57's Avatar
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    listen to what there saying! you pulling more air into the motor but with out proper flow mods it cant get out fast enough which makes you motor knock with makes the computer retard you timming and make you lose horsepower. i bet you have so much knock i could take you in my stock gtp
    SOLD. 99 GTP - Open Cone, ZZP STB ,GMPP Front & Rear Sway Bar, 3" DP & Cat-Back, Built Trans, 12'' Brakes, Tune
    http://www.grandprixforums.net/gtp-t...ack-67489.html
    04 SRT4 - Bone Stock....For Now
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  5. #25 Re: terrible gas mileage? 
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    well if i could sell my downpipe id buy headers asap but cant get it sold and its only 4 weeks old
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