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Old 11-15-2004, 10:40 PM   #15
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Originally Posted by Big Dee
I know, Twink, that we have hashed this out before. But I can't let this go. 1/2 tons have more in common these days with 3/4 tons than passenger cars. A 1500HD has all the stuff you listed on the 3/4 ton, as well as the frame. There just isn't much of a line seperating them anymore. I can not stand to see a 1500HD compared to a passenger car. NO WAY, JOSE! My truck is no glorified body on a passenger car.

And I won't even respond to the orginal post that says "Regardless of weight ratings, SUV's and "1/2'-ton" pickups are mostly useless for serious towing." What a load of crap! More misinformation for the masses.
Big Dee & Twink,

So where does the 8.1 Liter Vortec engine with 4.10 rear axle fit into this "new math"?? I thought that I'd not be able to comfortablly tow my 22' CCD over Vail Pass (or any othe mountain range for that matter) comfortably with the 6.0 and would be able to easilly move up to 25' or 28' if need be with the 8.10 L engine. Is the 8.1 closer to 1 ton in today's ratings?
Certainly is thirsty (10 mpg average towing).....but I deserve it, because I've been driving compact PU's all my life !

Jim
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Old 11-15-2004, 10:58 PM   #16
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LOL Jim! 22' with an 8.1L...talk about hitting a fly with a sludgehammer!
The 6.0L could have done it, but the 8.1L will do it a bit better, maybe a bit more thirsty as you say, but Jim, you're feeling no pain....and frankly have no worries that I can see....You are up there with the diesel folks. You have the tools to take any Airstream you want, any size, almost anyplace you wanna go and still have some left in reserve! Heck, you could prob saddle that bad boy up and tow your house with that monster!
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Old 11-16-2004, 10:31 AM   #17
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Hey Jim and others,

I voted for the 2500 Burb with Quadra steer. My 04 burb had 4.10 rear gears. Due to tech problems with q-steer Chevy had to replace my 04 with an 05. I changed to the 3.73 rear end. I feel that 4.10 was more than I needed (9300# vs 7300#) The 6 ltr vorterx with 4.10 was thirsty I has 15,000 miles on it and I was upper 15 on interstate and 11 around town. Our 27' overlander is well under the 7300# rating of the 05.

My .02 the 2500 burb is set up specifically to tow. From the tranny temp gage to the camper mirrors, second fuse box for trailer to the 37.5 fuel tank.
I don't like the gas milage, but that is not what I bought the Burb for... We take my wife's 05 Altima when we want to get good milage....

I will post milage #s when the 05 finishes break in. So far I think that I am geting almost 2 more mpg.

Does any one know what the rpm diff would work out for the motor with 3.73 vs 4.10 rear??


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Old 11-16-2004, 10:59 AM   #18
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Quote:
Originally Posted by vajeep
Does any one know what the rpm diff would work out for the motor with 3.73 vs 4.10 rear??

3.73/4.10 = .9098

If you were turning 3000 rpm at 60 mph with the '04, you should be turning 3000 X .9098 = 2729 rpm at 60 mph with the '05 - all other factors (tire size, tranny ratio, etc.) being identical.
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Old 11-16-2004, 01:10 PM   #19
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Thanks Dennis !

You are the first person that has explained the diff. (pun intended )
So the mpg diff will be slight. The 3.73 does seem to run quieter at cruse speed (approx 74 mph solo)
at 300-400 rpm diff will I be able to tell the any diff in mph?

abe
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Old 11-16-2004, 05:11 PM   #20
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Quote:
Originally Posted by jordandvm
I thought that I'd not be able to comfortablly tow my 22' CCD over Vail Pass (or any othe mountain range for that matter) comfortably with the 6.0 and would be able to easilly move up to 25' or 28' if need be with the 8.10 L engine.
Jim,

Where did you get the idea that the 6.0 couldn't handle a 22' AS? The 6.0 is an awesome engine that has the power to tow the big rigs, much less a 22'. I've been all over the Pacific Northwest and climbed every pass with gusto. Granted I haven't tried a pass at 9,000 ft but will next summer when I will be climbing through the Eisenhower Tunnel. That will be the ultimate power test.
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