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Grit dog

Black Diamond, WA

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Joined: 05/06/2013

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Posted: 05/31/20 10:38am Link  |  Quote  |  Print  |  Notify Moderator

It'll tow marginally better, but not enough to be the reason to upgrade trucks.
2016 Silvy 5.3, 3.42 currently. Have had 2014, 2011 and 2008 for comparison. All 5.3 half tons with tow pkg.

Have towed the most with the '16, have had it the longest. It'll keep 10-14klbs of flatbed trailer moving at the speed limit up 4-5% grades at lowish altitude, but that's it's limit for towing power. And it's wound to the beans with anything over about 8k. Haven't towed any high profile trailers bigger than my 32' enclosed V nose snomachine trailer at about 6klbs. Basically a really lightweight long TT.
It feels like a 12k flatbed on the same hill at 60mph.


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

APT

SE Michigan

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Posted: 05/31/20 02:35pm Link  |  Quote  |  Print  |  Notify Moderator

Look for the RPO sticker in your glove box. They are listed in alphabetical order. GU6 is 3.42. GT4 is 3.73. G80 is also a popular one for the locking rear diff. When you go to manual mode, can you select M1 through M6?


A & A parents of DD 2005, DS1 2007, DS2 2009
2011 Suburban 2500 6.0L 3.73 pulling 2011 Heartland North Trail 28BRS
2017 Subaru Outback 3.6R

wtmtnhiker

New Hampshire

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Posted: 06/01/20 04:59am Link  |  Quote  |  Print  |  Notify Moderator

APT wrote:

Look for the RPO sticker in your glove box. They are listed in alphabetical order. GU6 is 3.42. GT4 is 3.73. G80 is also a popular one for the locking rear diff. When you go to manual mode, can you select M1 through M6?


Yes I can select M1 to M6


bgbassman(bluegrass bass man)


JIMNLIN

Oklahoma

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Posted: 06/01/20 06:49am Link  |  Quote  |  Print  |  Notify Moderator

Quote:

Question is will there be a noticeable difference in the newer trucks ability to tow?

In 2014 GM came out with the ECO TECH 3 engines. The 5.3 was bumped up to 355 hp and 383 torque and was a huge difference compared to the older 5.3 versions like the wifes '06 5.3 4L60E 3.42 gears.
She now has a 2016 5.3 with the 6 speed 3.42 gears. Both trucks were used on occasion to pull my 10k car hauler with a blue tractor with 9560 lbs on the trailers axles.
Nite and day difference.
Especially the torque/hp. The '06 struggled severally with lots of rpms on any hill or a head wind.
The 2016 just humps up and keeps the load going without all the rpms and noise.
Having towed for a living with the old 454/460 carb'd trucks I'm not a fan of screaming V8 engines anymore.

Of course the 5.3 is not it he same league as my Dodge/Cummins with a EDGE box for pulling duties....but I'm impressed.


"good judgment comes from experience, and a lot of that comes from bad judgment" ............ Will Rogers

'03 2500 QC Dodge/Cummins HO 3.73 6 speed manual Jacobs Westach
'97 Park Avanue 28' 5er 11200 two slides

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