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Air Pressure Rear Tires When Towing

2098 Views 1 Reply 1 Participant Last post by  MAGNUMB, 
M
Does anyone increase the tire pressure in rear when towing a heavy load? In addition to better MPG i'm thinking it might also relieve some stress on diffs as i know with AWD you want to keep tire DIA. the same???


I know some Subaru manuals suggested increasing from 28 to 41PSI with Foresters and in other years with the same car they omitted it....so much for constancy
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M
Might have answered my own ? with this interesting article.

Tire Pressure Secrets for Camping Trailers & Tow Vehicles | PopUpBackpacker

Although, I wonder why Subaru recommended increasing tire pressure in with some Forester models...anything to due with the AWD system and tire DIA???
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