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Thread: Gas Mileage 96 Chevrolet

  1. #1
    Full Member Maverick's Avatar
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    Gas Mileage 96 Chevrolet

    I have a 96 Ext Cab Shortbed 1500. it has 350 Vortec with auto/overdrive tranny. I figured im getting about 14mpg with what its showing....but my gas gauge bounces back and forth when i stop and take off and im also curious about that, dont know exactly how to fix that problem and am curious if maybe the gauge is just not accurate either and maybe thats why im figuring bad mpg. by the way no mods or anything completely stock tires and everything. dual in/dual out 40 series FM in the works though and a superchips programmer on the wishlist too, my buddy has one and its actually a pretty cool little toy.
    CHEVROLET
    "Friend's Don't
    Let Friends Drive"
    FORD
    1962 Short Step-Side Chevy C10
    1996 Ext Cab Chevy Silverado 1500

  2. #2
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    mudseeker's Avatar
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    hard stops and gos will make the gas move in the tank and bounce around your float, probably nothing wrong. fix the driver and your mpg should improve.
    <----just your average 5.3

  3. #3
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    14 sounds good for a 350 to me


    i used to barely get 13-14 mpg with my 4.3 vortec v6 s10

    my fuel gauge bounced around a lot in that truck like you're describing...it also seems to 'reset' itself when you put it in park...it will usually bounce up a couple notches when you put it in park, usually enough to get rid of the 'low fuel' light for a little while. i know that doesn't mean you have more gas lol, just the gauge screwing around

  4. #4
    Senior Member 72'CaminoKid's Avatar
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    i have a350 in my burba nd i get about 12mpg, mine gauge dont bounch though ( but thats bc my 40 gallon tank) my dad's 96 silverado the gauge bounces. so i'm sure it's just ur gas sloshin around
    99 suburban xlt
    96 silverado
    91 wrangler (my baby )
    08 Honday shadow 750 (my mistress)

  5. #5
    Full Member Maverick's Avatar
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    i cadillac around pretty easy, with gas prices the way they are i cant afford to be hot roddin around. it showed on an internet site i should get about 14 in town and 19 on the highway.
    CHEVROLET
    "Friend's Don't
    Let Friends Drive"
    FORD
    1962 Short Step-Side Chevy C10
    1996 Ext Cab Chevy Silverado 1500

  6. #6
    Full Member Maverick's Avatar
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    my grand-dad has a 97 ext cab swb 1500 with the 4.3 vortec w/ auto trans and his truck gets alot better than 13-14, close to probably 16 around town and probably 19-20 on the highway, i cant believe an s10 would get that bad of mileage.
    CHEVROLET
    "Friend's Don't
    Let Friends Drive"
    FORD
    1962 Short Step-Side Chevy C10
    1996 Ext Cab Chevy Silverado 1500

  7. #7
    Senior Member 72'CaminoKid's Avatar
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    i wa thinkin that to.... you must have had some sort of problem or sumthin. or you just stayed heavy in the throttle
    99 suburban xlt
    96 silverado
    91 wrangler (my baby )
    08 Honday shadow 750 (my mistress)

  8. #8
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    it was running great

    i guess it was probably lead foot...but for me, when im in a vehicle that has the power, i use it. up hills, passing, when i turn onto a street with a 45 speed limit, i want to start going 45 already, maybe 50
    the best milage i calculated was 14, the worst about 12..all city driving but still, its pretty bad. i could have driven like it was a 4 cyl and maybe got 16, but its not like i drove it all that fast anyways...i just used the available power when i needed it

  9. #9
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    bradrhale's Avatar
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    my grandfather has a 95 1500 and gets around 15 or 16 until he pulls the travel trailer. 7 or 8

  10. #10
    Senior Member mrjohnwayne's Avatar
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    My 97 chevy, set up the same, ext cab 1500 vortec 350 o/d tranny i'd get roughly 18. How many miles are on the truck?
    John Wayne

    2000 F-350 7.3L Powerstroke 4x4

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