Good afternoon. We are planning to purchase a Lance 1172 next spring. I have been researching items that I will probably be doing to the truck. We have a 2014 Chevy Silverado 3500HD, DRW, CC 8' bed,4X4mDuraax. My question: Is the sidewall of the bed to tall for the 1172. I have l00ked through the specs and did not see the height required for the part of the TC that sits in the bed. I have 21" to the top of the sidewalls, because I have a horse stall mat in the bed. I did a search on this site, but I probably did not word it correctly, and had no results.We are so excited to be getting the TC, Can hardly wait till next spring., and hitting the road. We have a small 5er we want to sell first before purchasing the TC.Thanks in advance for any input you have to offer.Safe TravelsHave a Pleasant day.

My 2002 Lance 1130 needs about 2 inches to clear the cab of my 2006 f 350 drw. ( I use 2x6 laying down for the spacer and works fine) My guess is that a new Lance mated with 2014 Chevy would probably be fine with out any spacers in the bed. but just a guess on my part. I would think by 2014, Lance and the big 3 would have that all ironed out.My 1997 Lance 165 needed about 3" to clear the cab of my 1999 f 250.

ranholago, thanks for the reply

Bill, be aware that your truck bed may have the infamous GM crown. My 2015 has it and I just added an additional 20” long piece of rubber bed mat in the rear portion of bed to compensate for the crown.

woodworker414 wrote: My question: Is the sidewall of the bed to tall for the 1172. I have l00ked through the specs and did not see the height required for the part of the TC that sits in the bed. A dealer should be able to measure that for you.FWIW, I can't imagine that a new camper won't fit.

Sidewall of truck height | Good Sam Community

woodworker414
Explorer
Oct 19, 2020
Thanks BradyMyDog
MORSNOW
Navigator II
Oct 20, 2020
Supercharged111 wrote:
My 1131 sits ass down in the bed of my 97, I'd like to hear more about this crown. Is there a bulge in the middle or something?

There is a crown that runs widthwise across the bed around mid bed. I grabbed a 4' level and started at the rear of the box and slid it forward towards the cab, there is a definitely a noticeable crown that appears as the level rises off the box at the crown. I'm pretty sure it's purpose is for water drainage towards the tailgate and front drainage holes, but it can cause a porpoise effect with a truck camper. You can also see it in GM truck camper pics from the side, campers appear nose high due to compressing the rear of the rubber mat with the front of the camper not sitting flat on the bottom of the box.
JRscooby
Explorer II
Oct 20, 2020
MORSNOW wrote:
Supercharged111 wrote:
My 1131 sits ass down in the bed of my 97, I'd like to hear more about this crown. Is there a bulge in the middle or something?

There is a crown that runs widthwise across the bed around mid bed. I grabbed a 4' level and started at the rear of the box and slid it forward towards the cab, there is a definitely a noticeable crown that appears as the level rises off the box at the crown. I'm pretty sure it's purpose is for water drainage towards the tailgate and front drainage holes, but it can cause a porpoise effect with a truck camper. You can also see it in GM truck camper pics from the side, campers appear nose high due to compressing the rear of the rubber mat with the front of the camper not sitting flat on the bottom of the box.

Might be for drainage, but not sure they expect the truck to be parked level enough to matter.
I'm more inclined to think it is a fold line to absorb energy and keep the floor out of cab on impact.

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Sidewall of truck height

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