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Member
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Join Date: Sep 2020
Location: Harpers Ferry, WV
Posts: 53
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Member
Join Date: Sep 2020
Location: Harpers Ferry, WV
Posts: 53
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I believe it matters which roof rack you have. A lot of full length racks claim 600-800lb static ratings because a full length rack utilizes the A, B, C and D pillars to increase structural rigidity with several cross members. The factory racks claim between 100-200lb ratings because a factory rack is, at most, utilizing B, C and D pillars with 2 cross members. By adding a full length rack you are increasing the structural rigidity of the roof (reducing deflection under load) thereby increasing it's capability. I'd be more worried about your suspension and being top heavy before worrying ab the roof caving in.
My question would be, are you looking for how much weight can the roof, without a rack, handle? Or what exactly are you trying to do?
If you are questioning the strength of your pillars see the attached pic.
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2004 4Runner Sport V8
ARB - AUXBeam - Bilstein - Cali Raised - Camburg - CBI Offroad - Dobinsons - Factor 55 - Fat Bob's Garage - Maxtrax - Method Racing - OME - Prinsu Design Studios - Remark - Rotopax - Smittybilt - Traveler - Yokohama
2009 Ford F-150 Platinum
2013 Scion FR-S
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