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Old 09-02-2016, 12:37 AM   #21
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cfo111 Since it seems that the "standard" size that the mfg put on our coaches is LT275/75R16. You state that you were running LT275/85R16 with a load range G. My question is did you have any problems with tire clearance of the "85"? Like rubbing against the fender or something else, or the distance between the dual tires?
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Old 09-02-2016, 11:12 AM   #22
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As someone mentioned earlier is the Load Range G tires by Goodyear or the Salins 637's? They would fit your 16 inch wheels. These carry a 110psi. For those that have this size we have switched to 17.5 wheels Load Range H, 125psi. The load range E tires are on the way out for motorhomes and travel trailers. Good luck on whatever you do. Dave

The above mentioned tires are real truck tires.
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Old 09-05-2016, 07:31 PM   #23
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Some very important information is missing.

What is the actual measured load on each end of each axle? It is in all probability not 50% of the load on that axle and certainly you will not find both F & R having 50/50 side to side load split.

If you know your actual tire load have you ALWAYS run inflation sufficient to provied at least a 10% margin of inflation or maybe 15% load margin for tire capacity above the measured heavier load?

If you have had a tire failure what was the cause? Was it a tread separation? Belt detachment? Run Low sidewall flex failure blowout? Any tire from any manufacturer can fail if it is not properly inflated 100% of the time.

IMO I think you will find the OE tires on a Ford/Chevy/MB chassis used as a base for Class-C motorhomes are selected by a team of engineers at the car company working with engineers at a top tier tire company to design and select a tire for specific performance parameters. This is not how many tires are selected for trailers which many times are selected on low cost period. You probably have a 3 of maybe longer warranty on your OE tires unlike the 1 day to 1 year on a trailer.

Tires for motorhomes vs tires for trailers is an apples & oranges like comparison.

Now if your measured load & inflation does not meet the above margins or better then you are exceeding the drsign limits of the tires and possibly the coach too and corrective action is needed.
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Old 09-06-2016, 01:43 PM   #24
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I am looking to replace tires on my class c this week.

Options are:

1 budget tires capitol ht 540 for 4

2 firestone transforce 704 set of 4

3 michilem ltx 900 for 4

4 all terrain bfg at ko2 900 for 4

Thoughts? I really like the ko2s as I have these on my half ton and got 80 K miles out of them.

But all terrains on rv???
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Old 09-06-2016, 02:05 PM   #25
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msubryan: Are you just replacing just your rear tires? Or, don't you have dual tires on the rear?
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Old 09-06-2016, 02:17 PM   #26
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Just replacing rear, front are 4 years old
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Old 09-06-2016, 04:46 PM   #27
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Quote:
Originally Posted by msubryan View Post
I am looking to replace tires on my class c this week.

Options are:

1 budget tires capitol ht 540 for 4

2 firestone transforce 704 set of 4

3 michilem ltx 900 for 4

4 all terrain bfg at ko2 900 for 4

Thoughts? I really like the ko2s as I have these on my half ton and got 80 K miles out of them.

But all terrains on rv???
One thing you are buying with the tires is the dealer network and support. Have to wonder how many dealers "budget tires " has across the US.

BFG, Firestone and Michelin all are good enough to provide OE tires to FORD & GM

All Terrain will give worse mpg than highway tread design tires.

Be sure you are comparing the exact same size and Load Range between the different suppliers ( I am thinking LR-E is what you have and need on the MH.
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Old 09-06-2016, 05:04 PM   #28
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Thx, I was worried about AT mpg.
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Old 09-08-2016, 10:27 AM   #29
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Michilems going on today 904 for 4
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Old 09-11-2016, 01:36 PM   #30
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2 tires in 1.5 years

Perfect timing for this discussion. Just replaced my second factory tire yesterday after hitting a pot hole (thank you I-20 in Ft. Worth). Both tires that went bad were inside rear duellys. Got some time to go . . . but will take this conversation in advise when it's time to buy a new set. Oh, 1st tire had a hole in the side of it . . . 2nd lots all it's tread.
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