Which PSI rating to go by
Okay, so now I'm confused. When airing up tires on trucks for towing, do ya go by the sidewall PSI or door data label? I always thought the door label was lower and yet sidewall says max "X" pounds at...
Forum Discussion
Atlee wrote:
That's what I figured. The yellow sticker has inflation pounds as the truck is sold. The manufacturer doesn't know how anyone will load the truck. Also, manufacturers also want the "softest" ride possible.
All that said, as per my other post in this thread, I inflate to the sticker, 55# front, 60# rear on OEM LRE tires. I do not adjust when I'm towing my 6500# GVWR trailer. Truck doesn't squat, and the tires side walls do not sag any.Bobbo wrote:
The tire pressure is set by the weight they are supporting. The door jamb numbers are from that chart using the curb weight of the truck. If you don't add much more weight when towing, that number is fine. If you add a considerable amount of weight, you need to weigh the truck to get an accurate weight, then use the weight tables from the tire manufacturer to determine the proper psi for the tires at that weight.
Not true. These "stickers" generally comply with gvw or in the case of 2500s now they spec basically max pressure in back for the worst ride possible when empty.
