Hi John,
No dog in this fight.... but do you really think an employee of GM "quality
control" is going to say... yea your right, extra equipment is needed for our
product to meet what we say it can do? Nor will he address longevity beyond
the warranties period if used at rated limits.
I think the two statements are at the extremes, no it probably doesn't need
"everything" upgraded just to do what its rated for. Also, the longest life
will probably not be met without any upgrades.
Lets face it, almost all of us who tow push the boundaries of what our trucks
are rated for, that is if we don't just jump right over them. Iif the
questioner is like most of use who push the weights, push the posted, push the
hours of constant running at the aformentioned limits on straight through
drives.... over time some of these upgrades will make a longevity difference.
Then again if he is one who sells before the warranty expires... well thats
more likley to be the next owners worries/problems.
Craig
Message: 1
Date: Thu, 19 Nov 2009 22:07:48 -0500
From: "John A. Carriere" <jacarriere@jacircuits.com>
Subject: Re: [Autox] Suburban 6.0 2500, how do they tow?
To: autox@autox.team.net
Message-ID: <7.0.0.16.2.20091119215607.038b8920@jacircuits.com>
Content-Type: text/plain; charset="us-ascii"
Hi Larry,
I do not know how recent your experience with towing with Chevy
products is, but I have to disagree with your statement about needing
extra equipment.
I had no problem towing an enclosed trailer with a Chevy Express van
with a 6.0l six speed. Don Elzinga and I towed from Michigan to
Lincoln on-cruise control and never opened up the torque converter
clutch!! We got 13 MPG!!
Regarding Suburbans, I thought I'd ask someone who does trailering
validation testing at GM. Here's Greg's reply:
John,
The 2010 3/4 ton Suburban with the L96 6.0L engine has a maximum
vehicle weight of 8,600 pounds. With the curb weight for the 2WD
model, C20906 around 6,040 pounds there is a maximum payload of 2,560
pounds for the vehicle. The maximum trailer weight for this truck is
9,600 pounds. The maximum combined weight (trailer and vehicle
combined) has been evaluated in some of the most extreme conditions
in North America, including Townes Pass in Death Valley, CA. during
the hottest summer months. This evaluation is considered the most
extreme for worse case grade and temperature conditions. These
evaluations are conducted with only factory installed components.
This vehicle is more than capable to towing the 5,000 to 6,000 pound,
high frontal trailer mentioned below with out any additional,
after-market cooling components. If you have any questions feel free
to give me a call.
Greg P. Martuch
Energy, Drive Quality
GMT900
Hope this helps,
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