gears & mpg
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Joined: Jan 2008
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gears & mpg
Hey guys, just curious what kind of mpg you get with different gears. I have 4.10 gears and I am at 12-14mpg. This is my personal truck and I do drive on the freeway a good amount so I am thinking of switching to 3.73 and no higher because I do pull trailers and plow with this truck as well. So what mpg do you get with 3.73? 3.55? and others with 4.10? Thanks alot!
More Turbo
Joined: Jul 2005
Posts: 579
Likes: 7
From: Auburn, CA
I just switched from 4.10 to 3.55 on my truck and in mixed driving I got 16.8 MPG on three tanks and 18.8 MPG on one tank that was mostly freeway. All tanks were filled to the top of the filler neck.
All of my data before the 3.55s either was towing (I have not towed yet with the 3.55s) or not filler neck to filler neck.
More later.
Vince
All of my data before the 3.55s either was towing (I have not towed yet with the 3.55s) or not filler neck to filler neck.
More later.
Vince
Lead Driver
Joined: May 2007
Posts: 8,608
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From: Belair md
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More Turbo
Joined: Jul 2005
Posts: 579
Likes: 7
From: Auburn, CA
Used R/P, LSD with new bearings all installed for 1k.
Vince
Vince
Originally Posted by IceboxFX
I have 4.10's and i get between 12-14 aswell...
vince- how much did it cost you to get the 3.55's? How do you like them compared to the 4.10's? I'm looking to switch my gears out.
vince- how much did it cost you to get the 3.55's? How do you like them compared to the 4.10's? I'm looking to switch my gears out.
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Posting Guru
Joined: Sep 2004
Posts: 1,096
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From: Ohio
Coon, what tires come stock on your truck? I am thinking that all 1 ton trucks with stock setup turn 2k at 60 mph from the factory. Larger tires would account for it, but I think thats where Peak torque was made and considered in the design of the truck. I could be wrong though, its happened before...LOL
Tuned
Joined: Mar 2006
Posts: 466
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From: PNW
Originally Posted by c00nhunterjoe
55 is 1500, 60 is 1700, 70 is 2000
stock tires would be 235/85/16 which would turn about 2000 at 60 with 4.10's. I have 285/75/16 now and these numbers are pretty much the same.
Tuned
Joined: Mar 2006
Posts: 466
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From: PNW
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