I have both, a 2002 2500hd Duramax 6.6 with the Allison transmission and a 2015 2500hd gas 6.0. I own a landscaping company and use them both for work. The Duramax is my go to truck, it's does 70% of the towing, the torque is what makes it awesome to pull with. The 2500 gas does good but is slow, down shifts constantly on any kind of hill, and drinks gas. Yes gas is cheaper but when you tow every day a diesel is nice. The 2500 gas is also my daily driver and I average 11 to 13 not towing and 8,9,10 mpg towing depending on what I'm pulling that day. I didn't get a new diesel because of all the emissions crap, didn't want to deal with DEF and all that. Really at the end of the day get what you want and get what makes you happy!!! Sent from my XT1585 using Tapatalk
I just put the nitto ridge grapplers on my truck in that exact size and love them!! They drive great on the road with just enough "meat" on them to get you through mud. They look better then your average all-terrain and perform good so far. Not sure how long they will last, I probably have 500 miles on them now.
My ride quality drastically changed once I put big heavy tires on. The ride quality suffered from the tire itself being heavy, it sucks when you hit pot holes, speed bumps, and dirt roads. Need to upgrade my shocks now. However the Ridge Grapplers themselves ride great, they balanced perfectly, have very little road noise, and no steering wheel shake. I've ran nitto trail grapplers and Toyo MTs and the ridge grapplers are the best riding tire out of all of them.
@ Big Whiskey: I came across this hypertech module that will fix the speedometer, I think it's exactly what your talking about: http://shop.hypertech.com/speed-calibrator-732501-p/3021434.htm. I would really love a custom tune to get the most out of my 6.0 gas hog but don't want to spend a huge chunk of cash. Sent from my XT1585 using Tapatalk
I gotcha, if you lifted alittle more then you could definitely fit the 285/65 or even 35s if you really wanted too. The problem is our square shaped wheel wells, we have to lift our trucks alot higher then the Dodge and Ford guys to fit bigger tires.
I went from 245/75/17 to 295/60/20. I haven't done the GPS trick to check my actual speed vs what the speedometer says but I know it has to be off pretty good. Sent from my XT1585 using Tapatalk
Just got new (bigger) tires put on my 2015 2500hd 6.0. I know my speedometer and mpg computer calculator are off. I would really like to fix that so I don't have to remember I'm going 70 not 64 or 65 like the truck says. There has to be a tuner or something similar that will correct this???
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