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Old 09-20-2016, 12:02 PM   #4
wingnut60
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Join Date: Sep 2005
Location: Where we park it
Posts: 2,838
Pete,
I am not necessarily of the opinion that one can never exceed any of the vehicle ratings--lots of components are individually rated for more than the mfg will list it at--rear axles are in that list. In a SRW, the real weight rating that would govern any weight that I would put on the rear axle would be less by (hopefully) 20% of the tire capacity on the rear axle. Normally, that weight limitation is going to be around 7500lbs, but careful shopping can find some tires more robust, or one can simply put a set of 19.5" wheels and tires on.
There are 18 and 20" tires available on the 350s--not sure which tire is rated higher, or which size would be easier to find a higher-capacity rating.
Joe
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