[AT] off topic, Internet takeover by govt ?(now GM 5300)

[charlie hill]

Phil according to a cursory search online an 06 Yukon Denali XL
has a curb weight of 5,754 lbs.  The weight of an 06 GMC Sierra
crew cab with 4 WD like mine is 5,883 lbs.  Yes there is a big difference
between a Yukon XL and a standard cab Sierra 2wd but that's not what
we are talking about.

Charlie

-----Original Message----- 
From: Phil Vorwerk
Sent: Friday, February 06, 2015 5:06 PM
To: 'Antique tractor email discussion group'
Subject: Re: [AT] off topic, Internet takeover by govt ?(now GM 5300)


I think that there is a major difference in weight when comparing the
Suburban (which is like a Yukon XL) and a Sierra.  I bought a 2004 Sierra
with the 5.3 new, and it felt like it had a ton of power and towed quite
well for a half ton. I bought a new Yukon (the short model) in 2007 with a
5.3 and I was very disappointed in the power and fuel economy. 07 was the
first year they offered the 5.3 with variable displacement, where it would
go to 4 cylinders at the right speed/load combination. It was set up so
poorly that I don't think it improved the fuel economy at all at 60 mph - it
was always in the wrong part of the power band and would kick out of the
economy mode very quickly. I experimented a little bit and found that if I
put it tow mode so it would stay out of the highest gear ratio I could
slightly improve my indicated mpg according the instant mpg-gauge/liar. I
could tell when it went into 4 cylinder mode because the engine took on an
extra low pitched rumble. (My hearing is still pretty good....)

Phil in Sunny Southern Minnesota



-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Ron Cook
Sent: Friday, February 06, 2015 3:08 PM
To: Antique tractor email discussion group
Subject: Re: [AT] off topic, Internet takeover by govt ?(now GM 5300)

Charlie,
     I have several friends that swear by their 5300 engines and talk
much like you are.  However all of them are newer than the '04 flex fuel
engine like I have.   That flex fuel business probably has it de-tuned
?  Fuel mileage is around 17 max, whereas my 1997 5.7 Tahoe stays right
at 18 all the time.  The Tahoe probably is a little lighter but wouldn't
be much.  One of my nephews that has driven the Suburban probably more
than I says to put E85 in it if you want to see poor fuel mileage.  I
might someday just for giggles.
     I took that Suburban for a couple reasons.  (1)  I always wanted
one but couldn't afford it.  I inherited zero from my dad while he left
everything to one 1/2 brother that stayed on the farm and never had a
job other than being a yes man.  He is now a multi millionaire.  So I
had no problems taking it.  (2)  I figured at my age, 71, that a nice
vehicle like that would see me to the end of my driving days.  I have
never been so disappointed in a vehicle.  It is pretty, though.  I am
sure it will be moving along to a new owner one of these days.  I can
see where supporting it could get very expensive.
Ron Cook
Salix, IA
On 2/6/2015 2:02 PM, charlie hill wrote:
> Ron,  I've been tickled pink with the 5.3 in my Crew Cab 4WD Sierra.
> It's got a boat load of power, cruises the highway at 60 mph in OD
> with the tack showing about 1700 rpm and gets on average all around
> driving about 17 mpg.  On the highway at speeds below 75 it gets around
> 20 mpg.  I actually like it better than the 5.7's I've had.  I agree with
> you
> that torque makes power and there is no substitution for cubic inches but
> I'm fine with my 5.3.   I know a guy that has a 2011 GMC crew cab 4wd
> that he special ordered with the 6.2 gas engine.  It's got a ton of power
> but he has plenty of money and doesn't drive that far so gas mileage is
> of no concern to him.
>
> Charlie
>

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