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Old 04-12-2012, 08:37 PM   #15
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I'd b really scared of duals that touched.
Just cause kit ain't happened yet don't mean it ain't gonna.
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Old 04-13-2012, 05:36 AM   #16
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Originally Posted by Mr_D View Post
"Offset" is the term used in the industry.


The problem with changing the off set is it will push the inner wheel closer to the spring and there may not be enough clearance to do that. The equivalent metric size for a 7.50 X16 is a 225 70 X16 according to a few tire conversion charts I found. You could contact Coker Tire to see if they make a 7.50X16 in the load rage you need. Coker makes many sizes and styles for the classic car/truck collectors.
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Old 04-13-2012, 10:25 PM   #17
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dual tire question

Thanks, Never heard of Coker tire, but will check them out.
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Old 04-14-2012, 05:42 AM   #18
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Thanks, Never heard of Coker tire, but will check them out.
They are a specialty manufacturer that makes a lot of older designs. If they don't make a tire to fit your needs they may be able to point you in the right direction.
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Old 04-14-2012, 06:24 AM   #19
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No they're not supposed to rub and yes this is unsafe. Please have this attended to ASAP. Welcome to IRV2
X2! Have this issue addressed as soon as you can.
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Old 04-14-2012, 07:49 AM   #20
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Dual tires "kissing" is a commercial vehicle violation for a reason. I don't remember the section but it is in USC Title 49 and also in CA Administrative Code, Title 13. If my memory hasn't completely failed I think it is an "Out of Service" violation.

Very dangerous for them to rub.
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Old 04-14-2012, 10:23 AM   #21
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Being new to RV's I need a little clarification on the tires on the rear of my 95 Brave, 27'. The coach had these tires on when I bought it two months ago. Lt 235-85-16", Toyo Open country. My question is: Are the tires suppposed to rub up against each other, the inside sidewalls, when the tire rolls? Is this unsafe? Thanks
Bad news and you definitely have the wrong size combinations. What does it say on the sticker, which should be somewhere inside the coach?
You may be able to keep the tires if they are not damaged and use some sort of a spacer, but this needs to be evaluated by an unbiased tire and wheel expert at a trucking firm. While you're at it, look in to the possibility of going with 19.5" x 6" wheels and the most popular 225 metrics.
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Old 04-16-2012, 12:00 AM   #22
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sounds like you have load ratied D tires when you need E rated tires unless you have Es severly overloaded. If the latter is the case you need to drop the load.
Did you even look to see about the load rating.
My old 89 F450 tow truck got a set of "D" rated tires years ago becasue of a mix up at my local tire supplier. Even at the higher pressure the Es run they touched. Got them Replaced with E rated tires and they were fine after that.
E rated tires run 80PSI and in set of 4 on a axle are usually good for about 11,100 lbs.
Ds run 55PSI and have a much lower rating for weight.
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Old 04-16-2012, 08:36 AM   #23
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dual tire question

Good point Mekanic, I will also be observant of the load ratings. I am still trying to determine my best course of action to take, whether use 7.50 tires, or change rims and tires and gomwithnthe Lt225's. This web site is truely amazing with all the experience, input, and friendliness of the members.
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