Replacing my tires & rims... do they have to be trailer tires? - Page 2 - Fiberglass RV


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Old 06-07-2007, 12:40 PM   #15
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Name: Brian
Trailer: Boler (B1700RGH) 1979
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I agree that all of Pete's points about the differences in tire construction are valid (although the UV thing doesn't matter if you're going to replace them every 6 years as currently recommended anyway), but (other than the UV) they basically amount to a pressure rating.

A load range B tire of ST type may be inadequate for load capacity, and won't be much stiffer than a 35-psi P tire. A load range C tire of ST type will be stiffer (which is likely a good thing), but primarily because it is a 50-psi design... extra-load (XL) P-tires and both LT commercial tires in load range C will be similarly constructed, for the same reason (and the same pressure).

My van has two sets of tires of the same size: a P-type summer set with 35-psi rating, typical capacity for their size, and one body ply; and a winter set with 50-psi rating, higher load capacity, and two body plies.

Yes, stiffer tires seem like a good idea, and that's the way I'm going with my next set for the Boler. ST? Maybe, and it's the easiest type to find, but it's not the only option - even worse, an ST of the wrong (too low) load range won't have the desired construction. If you want stiffer, look for that higher load range (C or better).
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Old 06-07-2007, 11:44 PM   #16
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Hi All, I've been running around on a set of used 195/60R14 tires on 6 in. wide rims for 4 years with 0 problems. Check air pressure grease bearing GONE!
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Old 10-14-2012, 10:38 AM   #17
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Name: Ken
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Originally Posted by Flint Stevens View Post
Go online and buy from tiresunlimited.com, or something like that. I have a set of Duro Trailer rated Radial ST's size 175/80 R13 on my Havasu fiberglass unit.
I'm looking for my first FG trailer. I think I like the Compact/Campster/Havasu layout. There is one about 200 miles from me, needing complete restoration, and it has no spare.

Do you, or anyone know the wheel size and bolt pattern (4 on 4, 5 on 4.5, etc.) for a 1971 Havasu? I would want to buy a spare tire and wheel before towing it, if I buy it. Thanks, from a newbie.
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Old 10-14-2012, 11:00 AM   #18
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Originally Posted by FlyingCat53 View Post
I'm looking for my first FG trailer. I think I like the Compact/Campster/Havasu layout. There is one about 200 miles from me, needing complete restoration, and it has no spare.

Do you, or anyone know the wheel size and bolt pattern (4 on 4, 5 on 4.5, etc.) for a 1971 Havasu? I would want to buy a spare tire and wheel before towing it, if I buy it. Thanks, from a newbie.
Looking at pictures in the gallery of a Havasu, it has 5 lugs. So, most likely it takes a 13" wheel with a 5 lug x 4 1/2" bolt circle.

Maybe a Havasu owner can step up with better information.

Tire with Wheel 13 Inch 5 on 4-1/2 Inch Tires and Wheels | etrailer.com
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Old 10-14-2012, 11:58 AM   #19
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We are about to replace the (light import truck tires) 8 ply tires we have had (and used) for FORTY years. They've been on 4 different 'down sized' trucks and most recently saw service on our Trillium for the last 8 or so years. They have stood up real well to wear, in fact the only reason to change them is we found cracking on their sidewalls. There seemed to still be adequate tread left for another couple of seasons or so....

Now the problem is, our tire shop says that NO ONE is making these tires (in this size) anymore and recommends going to a more dedicated trailer tire. This purchase does not have to be done untill our first campout in March of next year, so we have time to look around and see what might be on the market!
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Old 10-15-2012, 04:14 PM   #20
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NOT 8 ply tires....

Upon fielding a private message from a fellow Egg Owner, I double checked the remaining two tires on our stored Trillium. It seems I goofed at the ply rating of our tires. They are NOT 8 ply, but are 6 ply LT Tires.

Thanks for making me do some double checking Brian, LoL!!!!!
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Old 10-16-2012, 08:25 PM   #21
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Mto (Ontario Canada) removes 10% of load capacity for car tires or light truck when used on a trailer. check your area
Also Goodyear tire specialist recommended trailer tires and pointed out they cost less and are made for the job at hand; plus the are now available in radials
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