[Archived]

I would leave the 315s on it and not change them there is no benefit to changing them I think your coach is a 40 footer It will drive better with the 315s than 365s also you have a solid front axle it would be much more noise with the 365s than the 315s

Stud, the nuts are coned and center the wheel

Hub ,are centered by the hub it self

Plus if you have any flat tires you have more options

[Brian]

Mixing tire sizes was one of the worst things that Prevost ever did.

Every one of us with 365 tires never ever want’s a flat or blowout because we have the potential to be out of service for days. At least with all 120 or 315 tires the lack of availability was merely annoying because we had some reasonable options. As soon as having two different tire and wheel sizes on our coach became standard annoyance doesn’t describe how we feel when we find replacements are not readily available.

And to add insult to injury the 365 tires make a hell of a noise going over small bumps and expansion joints.

[Doug]

Thanks Guys for the Replies. I read earlier on a Google search that the Approved Max Cruise Speed for the 315 is 65 MPH ? and the 365 is 75 MPH ??? Is there any Truth to that ?

I need a New set of tires , So I was just wondering if there were any Safety benefits in Upgrading ? DONT want anymore Road Noise though !

[Marius]

Here is the pertinent poop.

http://www.michelintruck.com/tires-and-retreads/selector/#!/info/xza2-energy

[Doug]

I’ve converted to 365’s on the front only of my IFS equipped ’99 XLV and find the ride better (lower air pressure) and no or little additional noise…very happy. My original wheels were stud piloted and the new wheels are hub piloted. My original hubs were already equipped for hub piloted wheels (not sure about yours) so no change there. Wheel studs, nuts and wheel covers also had to be changed. I went with the one-piece Alcoa wheel covers.

[AL]

Weigh your coach with the items you normally carry, and with full fuel and fresh water tanks. If you are below the weight limit for your front axle, you don’t need the 365 tires.

[Greg]

I agree with the above post.

But I do like the way the 365’s look! They bring the tire/wheel outward, especially make the tag look like it’s more in line with the outer drive.

If your steer axle weighs less than 17,000 stay with the 315’s.

[Archived]

My Corvette Z06 with it’s different and very wide tires look cool also but if I get a flat I am screwed because I do not carry a spare because of the different sized tires. Same with the bus.

[Archived]

I did not realize how wide a 365 tire was until I attended the ‘Know your Prevost’ at ETLC (Jeff’s place).

Walking under a Prevost lifted on the hydraulics was a true eye-opening experience.

There is no way a pair of 365’s would fit on a drive axle. Might as well get a set of ‘fat daddy’ singles!

Mark

[Karl]

Even though super singles are about 18 inches wide (445/50×22.5), dual 315/80×22.5 have a patch that is about 25 inches wide. And I think duals are safer. Also it’s easier on the hardware to skid a skinnier tag, and twist the steers. Like Jon, Porsche doesn’t put in a spare, they put in a bottle of slime and an aux air compressor as the rears are twelve to 13.5 inches wide.

[joel]

I thought about super singles briefly – I did some checking on the datasheets – A super single load capacity – for example Goodyear G392 (load range L) is 10,200 per tire for a total axel load capacity of 20,400 lbs. A Goodyear 315 (load range L) load capacity for duel is 8270lbs for a max axel load of 33,080 lbs. Now, my bus is relatively light at about 35000 – 40,0000 lbs but if I lifted the tag I would exceed the load range of a super single. Probably even more important for me was the significant change in revs per mile – 522 R/Mi for the 445’s vs 491 for the 315’s.

Read the datasheets carefully…….

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1999 XLV X-6872,  liberty #440

[needtocamp]

I’m running 455 super singles on drive with 365 fronts and stayed with 315 tags. Don’t know if there is any real advantage and there are a couple disadvantages; noise and/or tread life. I went to them to expose the brake drums and wheel bearing area to more air flow in an attempt to reduce high axle temps at high speed when highly loaded…I often run close to 70,000# gross with trailer. They seem to have helped accomplish my goal but I wouldn’t recommend for the average Prevost.

[Bryan]

What would be the Wheel Size for My 96 ? I know they are 22.5/ 315 , But How wide is the Rim ?

Thanks

[Bryan]

Probably 8.25

[Archived]

Lots of entertainers are running 365s steer and tag and super singles on drives