RV.Net Open Roads Forum: Towing: Truck Rails vs 5vr


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MOWOODY

Kimberling City, MO

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Joined: 08/10/2004

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Posted: 06/18/08 08:23pm

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How much space should I have between the bottom of the 5vr and the top of the truck rails? Mine is right at 4.5 inches, think I need more?

Retired Bean Counter with Wife and Wire Hair Fox Terrier: 2007 "Classic" 2500 HD Silverado LT, 45 gal. aux tank, Crew Cab,Prodigy; 2004 HitchHiker II LS 34.5 RLTG, Ranger 617 DVD Multi-Species Boat.

George H

Washington

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Joined: 06/27/2006

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Posted: 06/18/08 08:45pm

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Minimum of 6 inches, and with that watch speed bumps and gutters.

George, Juanita and Mandie (boss Shar-Pei)
01 F350, PSD, DRW
05 Carri-Lite 32RS3

kaydeejay

SE Michigan, USA

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Joined: 07/26/2004

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Posted: 06/18/08 09:51pm

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4.5" more or less guarantees you will make contact sooner or later, whether it's pulling into/out of a gas station ramp or over some bumps in a campground.
I have a little over 6" and my trailer STILL touched the Retrax rail pulling out of a gas station in Ohio last year.
Some folks even recommend a minimum of 8".
Your choice.

Keith J, Retired from GM Engineering
2005 GMC Sierra 2500HD SLE 2WD/CC/SB/DA.
1999 Sunnybrook 27RKFS Fiver
Bilsteins, Line-X, Westin steps, Prodigy, Retrax, 16K Superglide, 5th-Airborne pin-box, Multi-vex mirrors.