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Go Back   Chevy and GMC Duramax Diesel Forum > Specialty Forums > After Market Mods. > Wheels&Tires
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Wheels&Tires Discuss what wheels&tires are right for you.
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Old 06-30-2009, 05:01 AM   eBay Motors   #1 (permalink)
xXx
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245 to a 285 lost mpg

how much do you think will be lost in mpg . want to go from a 245-75 16 bridgestone 773 to 285-75-16 firestone mt. or should i stick with a 265. love the look of a 285 on these trucks .just not sure if i want to go thru all the hassel to adjust keys and shocks .....ect.
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Last edited by xXx : 06-30-2009 at 05:06 AM.
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Old 06-30-2009, 05:15 AM   eBay Motors   #2 (permalink)
Iceman56
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My guess 2mpg
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MBRP 5" Turboback, Shim Kit, BD Manifold, AirDog 150, Edge Insight Monitor.

Leveling kit, 20" Ultra Lighting Wheels, 285/55/20 Terra Grapplers, Air Lift air bags and pump, ATP Sleeves and Braces.
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Old 06-30-2009, 05:30 AM   eBay Motors   #3 (permalink)
Johnasara
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Two to three mpg, overall. I can still get 20= on the road with my mods. In towm it is realistically 13-14
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AUTOMETER ULTRALITE GAUGES, TRANSGO JR, EGR BLOCKED!!!!285/75 BFGs ON ULTRA DYMONDS, TIE ROD SLEEVES....Its Coming.....EFI LIVE.....

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Old 06-30-2009, 05:39 AM   eBay Motors   #4 (permalink)
daddysLBZ
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Yeah that sounds realistic,offset it with a tuner if you wish[mpgs],NO WORRY the trans will last just until the warranty is out if you don't beat it toooo hard......J/Kiddin.lol
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Old 06-30-2009, 05:41 AM   eBay Motors   #5 (permalink)
bowhunternkbay
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I lost 2-3 MPG when I went to bigger tires.
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BullyDog TripleDog
AiRaid CAI
MBRP 4" Turboback
Goodyear Silent Armor LT 285/75R16
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Old 06-30-2009, 08:19 AM   eBay Motors   #6 (permalink)
TYREBOYZ_DEMAXIN
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most see a 2MPG lost..if you want a taller tire but not sacrifice do the LT265-75R16's!
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