Duramax
When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a good decision".
Forum Discussion
88 Replies
- Some of you guys complaining about towing speeds on here must not tow much out west. There are lots of stretches of highway out here where it's wide open with big sight lines and you might pass another car going the other direction every 10 minutes if that. Whole difference scenario than going 70 mph on a busy freeway with traffic.
As far as I'm concerned 75 on an empty highway out west is a whole lot safer than 65 on a busy interstate with traffic back east. GA1dad wrote:
Was there something in this post that was supposed to be of value? Cause I couldn't find anything of that merited reading.
When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a good decision".Fast Mopar wrote:
Old-Biscuit wrote:
Bet OP hasn't a clue about speed rating of the tires on that camper in tow as he's flying down the hwy........
Regardless of the speed rating on the tires, you better hope you don't have to make any emergency maneuvers while towing a trailer at 75 mph.
I have somewhat of a speed addiction. There is a time and a place for speed, but not while towing trailers.
This is the better argument to make... but in the grand scheme of things there isn't much real difference between 68 mph that a lot of people on here claim to drive and 75 mph. That 7 mph delta is really inconsequential.
The reality is that an emergency lane change at either speed is going to be very difficult.
The reality is that a catastrophic tire failure at either speed is going to make it very difficult.
The difference in stopping distance has significantly less to do with speed at such a small delta, and significantly more to do with driver age, reaction time and distractions inside the cabin.
People love to get all up in arms about driving speed, but will put a GPS right in their field of view, will refuse to use voice guided directions on the GPS and instead will insist on taking their eyes off the road to look at the screen. People will drive at 18,000+ GCWR while fiddling with the radio, or eating a sandwich, or taking pictures (seen a bunch of cell phone pics taken by some of these Internet Police while they are driving) or doing various other distracting things.
Again... I don't advocate driving that fast while towing, but the reality is that I tend to tow at 68 mph on the interstates when I am driving 900 miles to my destination. On occasion, I have sped up 72 or 73 to pass a line of slow moving traffic before moving back over and slowing down to 68.
I find that it is far more important to drive within your individual abilities, rather than get on the internet and make blanket claims about some other guys tire speed rating without having a clue about that guy's rig.gmc6000 wrote:
transamz9 wrote:
GA1dad wrote:
When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a good decision".
If you had bought a Cummins you could be doing it at 1600 RPM. Just sayin'.
I have had both a duramax and now 2 cummins trucks. My Cummins has 4:10 gears turning 2100-2200 RPM's to do the same thing the duramax does at 1800.
I have 3:42 gearsOld-Biscuit wrote:
There are MANY more 16" tires available that are rated to over 75 MPH than there are under 75. So without a specific tire listed, the odds are your statement is incorrect.spoon059 wrote:
Old-Biscuit wrote:
Bet OP hasn't a clue about speed rating of the tires on that camper in tow as he's flying down the hwy........
With all due respect, I bet YOU don't have a clue about what speed or weight rating the OP's tires have. That would be important to know before making a snap judgement.
That being said, I would probably agree that 75 mph towing is a little faster than I would feel comfortable...
16" tires on his Grey Wolf........65mphata3001 wrote:
downtheroad wrote:
Completely agree....except for the towing at 75mph part.
X2
x3
I loved both of the Duramax trucks in my signature, though I only have the dually now.
While towing RV transport with the 06, I saw how higher speeds had a huge impact on fuel MPG.transamz9 wrote:
GA1dad wrote:
When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a good decision".
If you had bought a Cummins you could be doing it at 1600 RPM. Just sayin'.
I have had both a duramax and now 2 cummins trucks. My Cummins has 4:10 gears turning 2100-2200 RPM's to do the same thing the duramax does at 1800.- I have to say that was my experience the first time I towed my 24' trailer(6200gvw) with my Duramax. Absolutely effortless. I towed for years with substantially less power and torque. But I also like all the other goodies, fabulous Allison Transmission with perfect ratios and no hunting, factory tow mirrors, factory brake control, factory exhaust brake. Literally, Plug and Play! And like I said before, everyone should tow for 5 years with a lesser powered vehicle as their apprenticeship! Yes I do tow at 75 when I'm out of CA and it is completely stable in wind. I slow down in rain of course.
Old-Biscuit wrote:
Bet OP hasn't a clue about speed rating of the tires on that camper in tow as he's flying down the hwy........
Regardless of the speed rating on the tires, you better hope you don't have to make any emergency maneuvers while towing a trailer at 75 mph.
I have somewhat of a speed addiction. There is a time and a place for speed, but not while towing trailers.spoon059 wrote:
Old-Biscuit wrote:
Bet OP hasn't a clue about speed rating of the tires on that camper in tow as he's flying down the hwy........
With all due respect, I bet YOU don't have a clue about what speed or weight rating the OP's tires have. That would be important to know before making a snap judgement.
That being said, I would probably agree that 75 mph towing is a little faster than I would feel comfortable...
16" tires on his Grey Wolf........65mph
