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Gas milage?

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Old Apr 6, 2011 | 06:13 PM
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I was wondering city and highway gas milage people get for 4.3l 4dr. Blazers and jimmys (around 1999) with a 2 inch and 31's. Try to keep engines stock please. Pictures of 4dr. Rigs welcome! =]
 
Old Apr 8, 2011 | 12:16 AM
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I'm getting highway15.4mpg keeping the speed below 65mph, city dont ask, at $3.75 a gallon for regular gas, its starting to suck me dry ..., and I drive like an old fart....
 

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Old Apr 8, 2011 | 10:17 AM
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In that case I think that I'm going to chip mine and see my milage after that...
 
Old Apr 8, 2011 | 01:50 PM
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They were rated 16/20. Mine averages around 15 mpg unless it's on the interstate 75-80+, where it does a solid 23.5 mpg. Any other time it won't budge past 17 at most. Bone stock '99, btw
 
Old Apr 8, 2011 | 08:55 PM
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That's still not too bad I guess. I might invest in a more expensive fuel chip if I can find one that does its job and is engine efficient to boost my mileage a bit.
 
Old Apr 8, 2011 | 09:43 PM
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They plument in the winter though. Averaged mostly 10-11 mpg but I always let it warm up first
 
Old Apr 9, 2011 | 06:51 AM
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I have a 2 door ZR2 with 31'' tires, 3.73 gears all stock engine getting 18.7mpg average.
 
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