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Gears & Towing
- Thread starter NovaGuy
- Start date
Heartbeat Hauler
A(ACLU) Agent Yoda
Actually ALL of the Duramax 3500's, unless modified by the owner, have 3.73 gears. Sooo, that means that the Dmax 3500's can tow max GCWR with 3.73's, and I suspect there are those out there way over max GVW rating towing with 3.73's.
Probably would be a good idea to fill in your signature so we get an idea of what you're dealing with when asking a question. It'll help us give you better answers.
BTW, I tow a 9500lb (dry) 5ver with 3.73s not sweat.....:thumbsup:
JP
Probably would be a good idea to fill in your signature so we get an idea of what you're dealing with when asking a question. It'll help us give you better answers.
BTW, I tow a 9500lb (dry) 5ver with 3.73s not sweat.....:thumbsup:
JP
dur0maxx
Is Blowin Soot On A Prius
He has a 6.5 which is a total different beast.
NovaGuy, My truck is just a 2500 with 3.73's and the GVW is 8600lbs. Yours should still be higher than that if you go with 3.73's, maybe around 9400lbs or so but that is just a guess.
NovaGuy, My truck is just a 2500 with 3.73's and the GVW is 8600lbs. Yours should still be higher than that if you go with 3.73's, maybe around 9400lbs or so but that is just a guess.
RVC
Recruit
Change your tires to 235/85/16 and don't adjust your speedometer for the tire change. Will make your 4:11's seem very close to 3:73's. Had a '96 that I did this with. Used it hauling 21k worth of hay/trailer 10 or so times a year. Mileage increase while running empty or with lighter loads was really noticable.
Know wander those duramaxes get such good mileage. I asked cause there was another 3500 6.5'r at the track. He was hauling his car on the trailer. He claimed to get 22 mpg not hauling the car and trailer. But i still think he's full of it:lol:.
RVC
Recruit
On my '96 3500 Crewcab 6.5 silverado, it was easy to get 24 not hauling. I also had a 100 gal fuel tank in the box.
NovaGuy
New Member
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Whats the factory size tire for the duramaxes.
RVC- I currently run 225/75/16. The truck is lowered. Any taller tire they'll rub the f- fenders. Might be able to go taller on the rear.
I do have 3:42's i bought while back but thought they where to high of gears.
RVC- I currently run 225/75/16. The truck is lowered. Any taller tire they'll rub the f- fenders. Might be able to go taller on the rear.
I do have 3:42's i bought while back but thought they where to high of gears.
RVC
Recruit
IIRC stock is 215/85/16
big block 88
Big Block 88
I took out my 4.11's and put in 3.71's it's a dana 70HD so the ratio's are freakin weird but the old girl still is a pullin monster and now I can do more than 55 mph on the highway and not be in my red line with the old SM465.