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Old 06-14-2014, 12:51 PM   #15
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Thanks. I'm really not too concerned about the TT air pressure. I only have food and clothes and about 50 lbs in the storage compartment. My issue was with the TV tire pressure. Other than the hitch, I have calculated that I have no more than 100lbs loaded into the rear of the Denali. I feel that your suggestion to weigh the vehicle and the divide axel weights in half to determine the weight on each wheel is the way to go.

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Old 06-14-2014, 01:01 PM   #16
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Go with the pressure on the door panel that should be for max load. This is figured for the oem tires installed on your vehicle. Jim

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Old 06-15-2014, 04:58 AM   #17
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Originally Posted by AnnArborBob View Post
CapriRacer makes a good point about side to side weight differentials with respect to trailer loading. My suggestion for simply dividing the weight of the rear axle by two to arrive at the per tire load was for the tow vehicle only. In general unless you really load the tow vehicle with a lot of very heavy stuff and do so poorly, the biggest added weight is the hitch weight which is evenly distributed from side to side so dividing the rear axle weight by half works pretty well.....
The principle applies to tow vehicles as well. I have seen the same sorts of side to side variation in tow vehicles.

Again: Do NOT assume there is no side variation - and if your weights are by axle and not individual corner weights, account for the variation in some way.

Originally Posted by AnnArborBob View Post
.....If you are going to try to minimize the trailer's tire pressure based on the tire manufacturer's tables, it is best to measure the weight carried by all the tires of the trailer separately. In fact, you should measure the weight carried by each of the trailer tires regardless of what your plans are for tire pressure management just to make sure you do not have any serious imbalances. Even if you run the trailer tires at the recommended pressures for a fully loaded trailer (on the sticker) an unbalanced trailer will be more difficult to handle and you might need to do some load balancing to maximize the safety of your tow.

There are several threads in this forum which you can search if you want to see how to get the weight of each of the trailer's tires at a CAT scale.
Yes, search for the ways to get individual tire weights. That way you will know.

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