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Old 04-06-2016, 02:13 PM   #81
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Apexbunk. Goin with a 3/4 ton will also handle tt better with less say do to added weight. New trucks are so much more powerful than the older models and the ride and how quiet the ride is outstanding about like driving a car. I have the 6.0 3/4 ton Chevy 4:10 gear towing 9000# and get around 9 to 9.5 towing. I like some others hate the smell of Diesels as I worked around them for 15 years. Buy a truck that suits your needs and one that will handle your tt. Later RJD
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Old 04-06-2016, 02:18 PM   #82
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F150, EBoost,4x4

We pull a 7000 # trailer with our 2015 , the EBoost handles the higher elevations because of the turbos. It out performs the naturally aspirated engines. We bought our new for $36000 with all the options we wanted.

Check out WWW.tfltruck.com
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Old 04-06-2016, 02:19 PM   #83
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Steep Grade Pulling

This topic is all about expectations! We pull a 28RKS Wildcat with a 7700GVW F150 6.2l 6spd 3:73 w Max Tow package. Our standard GCVW is around 16100lbs. My expectation is to keep up with traffic flow and not tie up those wanting to go faster. Most of our travel is on 2 lane roads with lots of 7-10% grade (BC) but all of our hills have passing lanes. So 95-100KPH ( 60ish for you folks south of the border) is sort of standard highway speed . Sure I'm down to 35-40 on some of the long steep pulls but so what......I'm travelling for pleasure these days on MY time. If I want to put my foot into and keep it there can pull most of these passes at 60MPH but it reflects is fuel consumption. Sweet spot for fuel is under 4200 RPM so I definitely try to stay there. We put on almost 14000 KM last year, all the way to the Arctic coast with some grades in the 13% range. I've researched both gas and diesel because I spent most of my working life around Diesel engines but like the capital cost, sound and simplicity of gas.
The option that I would like In a diesel is the ability to have an engine/exhaust brake for the down hill pushes but I have to say the tow mode with the 6 speed does a good job even in our big passes. Just my 2Ä's worth!
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Old 04-06-2016, 02:19 PM   #84
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Originally Posted by ApexBunk View Post
Hey all!

We pulled our 35' Apex 300bhs, 5900 lbs through the mountains 2 weeks ago and were surprised at the amount of power the truck lacked on the steeper passes. We watched our temp climb as we went up a 6% grade, and the 7% grade later was just pitiful. We have a 2005 5.7 Silverado Z71 4x4 with the tow package. The truck was floored and losing speed.
Is this normal? Husband is now on a truck shopping binge, but I think many may experience this, just not sure. We stayed in the right lane and just kept it floored. We made it, though our alternator decided it was time to go. (That's another story).

What do you drive? What does your trailer weigh? What are your experiences? What are your thoughts on this?

P.S. The truck has 4:10 gears.

You don't have enough motor even though you have the right gearing. The Ford Ecoboost 6 banger with twin turbo's pulls just like a diesel because it has a flat torque curve and lot's of torque to boot. Chevies 5.7's and 5.3's are good motors but they just don't have the oomph that the eco has. In the GM line you have to move up to the 6.2 V8 and then you have to use premium fuel all the time. If you stay with GM, I would step up to a 3/4 ton diesel. You can climb those hills with little problem.
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Old 04-06-2016, 02:23 PM   #85
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My truck with the 6.2L gasser has more than enough power to pull up any grade. I have way more engine than truck capability. It is a shame that GM only offers this engine in a 1/2 ton truck. I estimate I am pulling 8500 lbs and if not running cruise control will find myself at 80mph very easily.
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Old 04-06-2016, 02:24 PM   #86
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I'm assuming your 2005 Silverado has the 5.7 L with the 4-speed auto trans. It probably sounds like the pistons are coming through the hood pulling those hills. We had a 2008 Sierra 1500. Loved the truck, but the trans was terrible. The shift points were too far apart.

We went to a 2013 Silverado 1500 with the 5.7 L and HD tow package. It has not been re-geared. It has a 6-spd auto trans and we tow a fully loaded 7000 lb GVW cargo trailer. With the same trailer and similar loads, the 6-spd trans makes a world of difference. We can now pull a 5% grade gaining speed. We have pulled some other steep grades that are unmarked, so not sure if they exceed 5%. The 5.7 L is not perfect, but the trans certainly helps.
GM stopped using the 5.7L (350) in either 99 or 2000. So, neither his 05 nor your 13 have a 5.7L. The 5.3L is generally considered the "replacement" for the 5.7, though a smaller (4.7L, I think) V8 and the 6.0 and 6.2 V8's have also been available. The Tundra and Ram are available with a 5.7 V8.
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Old 04-06-2016, 02:26 PM   #87
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Originally Posted by dustman_stx View Post
GM stopped using the 5.7L (350) in either 99 or 2000. So, neither his 05 nor your 13 have a 5.7L. The 5.3L is generally considered the "replacement" for the 5.7, though a smaller (4.7L, I think) V8 and the 6.0 and 6.2 V8's have also been available. The Tundra and Ram are available with a 5.7 V8.

5.3 it is. Thanks for the correction.
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Old 04-06-2016, 03:31 PM   #88
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There are lots of engine size options on pickups and some of the responses to your query don't mention their engine size. I have a 2008 F250 6.4L diesel pulling a 12k fifth wheel and it has gone over the Rockies several times with no problem at all. I've even passed gas powered motor homes that were struggling up the grade. I've talked with folks who have smaller gas engines who have problems in the mountains and others with bigger gas engines who have no issues. For me, the larger engine is the way to go.
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Old 04-06-2016, 03:55 PM   #89
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2011 GMC Sierra 1500, 5.3L, Z71 with tow package, towing Vibe Ultra lite 279 RBS (7000 lbs loaded). I live in the mountains and no problem climbing them hills. Trans stays cool while I keep up with traffic flow. My truck switches to 4 cyl on level ground if I don't ask it for too much. Very happy with the combination, the trailer in particular.
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Old 04-06-2016, 04:14 PM   #90
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Originally Posted by ApexBunk View Post
My husband can't stand the smell of diesel (he's an ASE Master tech,too!) with some of the gas vehicles towing 8k-9k lbs, I have to think there are other options.

Our tow capacity is around 8500 #. What good is a tow capacity if you can't even tow less than that?
Have you noticed that semi's lose speed going up hills. They are made to tow much more. Holding 55mph on a hill is not part of the towing calculation. I had a dodge with higher gearing then went to a newer one (same engine - HEMI) with 3:92 gears and it was much better. I now have a Ford (loved the dodges) with ecoboost and higher gears. It's surprising how much better it tows.
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