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What is your fuel mileage on your stock/lightly modded 4th gen F-body?

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Old 01-30-2011, 09:58 AM
  #61  
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Mods in my sig. I've seen 28mpg on a trip from Louisiana to Florida running real gas. Since they've started using ethanol blended gas, I've dropped to about 27mpg. Pure highway now, I'll get 380-400 miles before the check gauges light turns on. Driving back and forth to work (30 miles- half highway, half city driving), I'll get about 300 miles before the light comes on, or 20-21mpg.
Old 02-02-2011, 10:07 PM
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2001 SS A4 with 134k on the clock, SLP lid and Loudmouth II.

Only around town I have averaged around 16-17 mpg. On the highway i average around 24-25 mpg.

The other week with all around town, all trips less than 5-6 miles I got a whoppin 13 mpg in this cold weather!

In the spring I plan on doing a tune up with new spark plugs, wire, filter, and such. See if I can't bump up the mileage a little bit!
Old 02-03-2011, 04:47 AM
  #63  
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Im getting around 16.7 mpg last time i calculated it. I just installed the torque program on my cell phone and when i drive normally the instant mpg is usually right around there. When i pay attention i have gotten 26 mpg average. Do around 60% city 30% highway and figure 10% wasted on letting it warm up on these cold days.
Old 02-05-2011, 01:13 AM
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I can get 300+ hwy miles cruising in 6th around 75-85 mph with my mods I got on now.
Old 02-05-2011, 02:31 AM
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Man I wish i got some of these numbers in the 250-280 range imm getting at most 200mpt an its a 00 z28, few mods with 2800 stall,
Old 02-05-2011, 02:33 AM
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Originally Posted by flippincamaro
Man I wish i got some of these numbers in the 250-280 range imm getting at most 200mpt an its a 00 z28, few mods with 2800 stall,
I agree. I'm going to look into changing my O2's to see if that helps. Something has to be quite off!
Old 02-05-2011, 03:37 PM
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Free mod '99 Z gets about 275 to a tank
Old 02-06-2011, 03:39 AM
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with reasonable driving no WOT and mostly highway driving (@ 80) i get about 300-320 miles out of a tank... i have an SLP lid and thats it
Old 02-06-2011, 04:03 PM
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i drove hard a couple days , and still got 330miles and 20mpg

slp OE lid and smooth bellow , go big 2.73 gearing




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