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Old 04-06-2016, 04:15 PM   #91
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Might be able to find a big block Chevy with the Allison transmission in a 3/4 ton body. Would solve your problem.

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Old 04-06-2016, 04:18 PM   #92
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I've not noticed any change in gas mileage. The truck only has 29,000 miles on it.

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Old 04-06-2016, 04:45 PM   #93
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New Diesel's with DEF don't have a smell anymore or black exhaust...If you want to Pull and Pass on hills .. Get the Diesel.
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Old 04-06-2016, 04:55 PM   #94
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I had a similar experience one time, the pedal to the floor clyming a hill and I found out that my v8 5.7 had a bad sparkplug and my engine was running on 7 cylinder insted of 8 !!
Could not tel mutch difference on flat road.
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Old 04-06-2016, 06:54 PM   #95
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My Class 7 HDT sails up big hills like a gazelle, even when towing a big cargo trailer. 2015 Dynamax DX3 37-RB.
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Old 04-06-2016, 11:03 PM   #96
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2015 powerstroke powers up grades.
David Cournoyer
2015 F250 SRW 4x4 Crew Cab Platinum
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Old 04-06-2016, 11:28 PM   #97
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What does your truck do on steep inclines?

It kicks down a gear, RPMs go up to 2500, and just keeps on going about its business.
Trans temperature may rise a little on a long grade.
2016 Jayco Eagle 330RSTS = "Madame Maxime"
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Old 04-06-2016, 11:38 PM   #98
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anything under 10,000 is hauled just fine with a gasser . chevy 3/4 with the 6.0 and 4:10 will haul you up any grade . yes you may run 4200-4400- rpm big deal normal operation . diesels are great for anything much over 10,000 . as to which one depends on which one you like , i'm completly satisfired with my 2003 Chevy 3/4 have pulled all the grades and the flat country from Fl to Montana .I live in Colorado, so familiar with grades at elevation . diesels hauling more then 9000 down shift going up grades , though they maintain speed well and have lower rpm, nature of the beast . the 1-3 mpg increase and extra costs of maintenance do not justify the costs in my situation . for others it's the only way to go. in the end it's the pocket book that dictates what most get .
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Old 04-07-2016, 12:16 AM   #99
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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.
After having both gas and diesel trucks I don't believe I'll go back to gas trucks again. We're towing over 6000 lbs and our little RAM EcoDiesel barely breaks a sweat. It doesn't sound or smell like a traditional diesel. They don't have to cost an arm and a leg either. In early March we bought a brand new 2015 RAM EcoDiesel for $27,500 with all the options we wanted and only 12 miles on the odometer. Sticker price was a few dollars under $40,000.

New 2015s can still be found at tremendous discounts. We keep our vehicles forever so it matters not what year it was, as long as it's new.

I may be old but I'm trying, very trying.
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Old 04-07-2016, 01:10 AM   #100
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I'm going to say go with the diesel. Better mpg and superior towing ability. I was in a similar situation, my old 1500 was rated to tow 8100 and I had 7200 worth of trailer, but it suffered up hills. I went to the diesel I have now, and even though I'm back to within 1000lbs of my tow rating it will pull 6% grades with the cruise locked.

You can't smell the exhaust from the cab.

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