full bolt-on owners only please
03-02-2007, 12:08 AM
#42
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Originally Posted by torlak_t
so whats my problem? i can only pull 175 - 180 with a full tank! ive ordered new plugs and msd wires and will buy 02 sensors. do you think they will increase my mileage??
03-02-2007, 03:51 AM
#43
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Originally Posted by miamifan3413
It will increase your mileage for sure......o2's only have about 80,000 miles worth of peak life in em.....after that they start to get lazy & give unaccurate readings & work just enough to make the PCM think there is nothing goin on, so you won't see any codes
thnx 
03-02-2007, 11:15 AM
#45
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Are you sure you don't have a Canadian car and your odometer is reading in kilometers? 500 km = 312 miles which seems pretty typical of many of the postings here
03-02-2007, 12:04 PM
#46
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I got just over 27mpg on my last trip that was a few hundred miles, but I don't remember how far I went, or how big the tanks are, so i don't know how far that means. At the time all I had was a catback and a lid and it helped gas mileage that much. I averaged just below 25mpg before them.
03-02-2007, 12:16 PM
#47
Originally Posted by Speedmonster185
I got just over 27mpg on my last trip that was a few hundred miles, but I don't remember how far I went, or how big the tanks are, so i don't know how far that means. At the time all I had was a catback and a lid and it helped gas mileage that much. I averaged just below 25mpg before them.
03-02-2007, 12:55 PM
#49
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Originally Posted by Justin00SS
How do you know what your mpg was if you don't know how far you went or how big your tank is?
03-02-2007, 12:57 PM
#52
Originally Posted by stangnightmare
i've driven from texas to michigan a few times. the most i've ever gotten when my car was stock with just a lid was 320 miles to a tank. are you sure you didn't sprinkle a little fairy dust in the tank when you filled up?
you have an A4 car.. mileage is different
03-02-2007, 12:58 PM
#53
Originally Posted by Coy
The furthest I have ever went on a tank was 440 coming back from California, and that was an extremely full tank, ran almost below the empty line, lol.
BTW, it is a 98 M6 Trans Am with full bolt-ons.
BTW, it is a 98 M6 Trans Am with full bolt-ons.
03-02-2007, 01:01 PM
#55
Originally Posted by NC98Z
I know you bolted on 4 tornados and double stacked your K&N filters.I bet you have to stop every 200 miles and let a little gas out so you can get rid of the evap system SES lite.
nope... i don't believe in fake performace parts.
03-02-2007, 01:03 PM
#56
Originally Posted by black01_WS6
Well I remember when mine was stick breaking the 400 barrier a couple of times, and that was filling up completely and just going slowely on the highway usually behind someone- that was when gas was 3+.
yep, that's when WOT becomes a thing of the past lol
03-02-2007, 01:05 PM
#57
Originally Posted by MTN_Z
500?? Good Jesus! The most I have gotten out of a tank was like 340. I'm pretty sure I got out of my car and gave it a hug after that. Most of the time I see 220-260 in town. Your speedometer must read really high or something.
03-02-2007, 01:10 PM
#58
Originally Posted by CAMJAG
I just make 200 to a tank on the street. Highway would prob be 220 - 240. When I first bought my car it only had a borla cat back on it. I got about 230 on the street. After the SLP CAI, Lid, and K&N I droped to 200. More air = more power = more gas 
more air..more power means more gas, but with the proper tuning....
i think the reason i get better mileage w/ a/c on is from the underdrive pulley. the a/c probably causes the car hp being on therefore giving me better gas mileage. that's the only thing i can figure out. on the street i get 250 to a tank depending have many times WOT comes into play.
03-02-2007, 01:12 PM
#60
Originally Posted by WS6NIGHTMARE
The only way this is theoretically happening to you is if you have gears and your car is not programmed for them. In which case your speedo is off and your odometer racks up the miles faster than you actually are......other than that, Im sticking to my original 
post.
post.nope... stock gears!!!