Why the hard feelings about the 6.0 Chevy?
So been doing a lot of research and reading because my towing has been relegated to my 2010 Suburban 2500. Yes it has the 6.0 which, IMO, runs pretty good, and tows fairly well too. Again, IMO, the en...
Forum Discussion
Sounds like you just need some lower axle gearing in your 6.0 Suburban to give it that extra oomph that you're looking for.
In the good old days, long before there were diesels in pickups, we had big block gas engines and low ratio gearing and we accomplished the same tasks that diesels do now. :)
Upgrade to gears in the 4.xx range for greater towing and braking performance and general pep around town.
These new generation gas engines are built to rev high, with very high rpm torque and horsepower peaks. They need low gearing to get them up into their power bands.
Transmissions these days have plenty high overdrive ratios, so the engine will still cruise at a low rpm at freeway speeds and shift out of overdrive on the hills or for passing.
It's not like in the olden days when if you geared the truck to pull, you had to be relegated to the slow lane on the freeway even when unloaded, because the revs were too high, because transmissions didn't have overdrive back then.
Now we have even double overdrive on alot of these new trannys. All the more reason to gear the truck down and take advantage of greater torque multiplication at the axle, while still being able to drive 75mph on the freeway with that extra 6th gear OD.
I changed from 3.55 highway gears to 4.56 towing gears in my gas engine F350 and it made a world of difference in towing, hauling, mountain driving and general around town pep as well. The gears gave the truck that extra power that the small gas engine just couldn't put out.
In the good old days, long before there were diesels in pickups, we had big block gas engines and low ratio gearing and we accomplished the same tasks that diesels do now. :)
Upgrade to gears in the 4.xx range for greater towing and braking performance and general pep around town.
These new generation gas engines are built to rev high, with very high rpm torque and horsepower peaks. They need low gearing to get them up into their power bands.
Transmissions these days have plenty high overdrive ratios, so the engine will still cruise at a low rpm at freeway speeds and shift out of overdrive on the hills or for passing.
It's not like in the olden days when if you geared the truck to pull, you had to be relegated to the slow lane on the freeway even when unloaded, because the revs were too high, because transmissions didn't have overdrive back then.
Now we have even double overdrive on alot of these new trannys. All the more reason to gear the truck down and take advantage of greater torque multiplication at the axle, while still being able to drive 75mph on the freeway with that extra 6th gear OD.
I changed from 3.55 highway gears to 4.56 towing gears in my gas engine F350 and it made a world of difference in towing, hauling, mountain driving and general around town pep as well. The gears gave the truck that extra power that the small gas engine just couldn't put out.
