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Old 04-01-2018, 05:50 AM   #15
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Quote:
Originally Posted by CampDaven View Post
I wanted to know why Michelin tires are no longer acceptable, especially after10 years
As it is human nature to avoid change, over my life I have forced myself to accept and look for change..........and found it is a good thing and most times than not has positive result's. So that is the reason, not one problem with my Michelin's..........loved them, not one sign of cracking, nothing.........just time for a change.
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Old 04-01-2018, 03:58 PM   #16
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[QUOTE=Charles L;4113744]
Quote:
Originally Posted by palehorse89 View Post
Hi Gary, he told me that Firestone lists their tire as 295/80r/22.5 but is the same physical size as the Michelin 275/80r/22.5......?

Not true. 10.8" vs 11.6" width. 8.7" vs 9.3" sidewall height. 39.8" vs 41.1" overall height. 507 vs 491 revs per mile. Google tire size calculator.

https://tiresize.com/comparison/

Sorry the Google size calculator might be OK for passenger tires but IMO not for these large RVapplications. See my post below with the manufacturer's dimensions.
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Old 04-01-2018, 04:05 PM   #17
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Quote:
Originally Posted by palehorse89 View Post
Just went yesterday to talk over new tire's for my Coach. I have ran the XZA2 Energy's for 50k and they are 10 year's old this year. They still look new......but the time is here.......
He said if I was not going to stay with the Michelin's, his next choice would be the Firestone FS591's......they look like a nice tire......and I am wanting to try something different this time around..... https://commercial.firestone.com/en/.../product/fs591
Any thought's on these tire's .........?
295/80/22.5 16 ply.
Thank you in advance.........
First thing I always check is load capacity
Michelin is rated 6,940@ 139 and is LR-J
Firestone is rated 7,150@ 120 and is a LR-Hso you would be OK for load and infl

Dimensions from Michelin
OD 38.0 Width 10.9 and Loaded width 11.9

Firestone 40.2 11.1 and loaded width 12.5

For front I do not see a problem.
For the rear duals I do not know if yor wheels have enough offset to avoid "kissing" at the bulge.

Your tire guy is not paying attention to the details. You may be OK but you need to do some clearance measurements to confirm tou can tolerate the loss of 0.6" clearance. Doesn't sound like much but if you end up with any contact due to load bounce the tires may touch which is to be avoided .
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Old 04-01-2018, 05:48 PM   #18
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Quote:
Originally Posted by CampDaven View Post
Over 10 years, the difference in amortization is chump change!
Even when I look at their amortization cost like you say I still can't afford them.
They are just too much for me.
The front tires currently on mine are Firestone FS560 Plus https://www.summitracing.com/parts/fit-156566/overview/
Now after 5 years and 30K miles they look like new. If I remember correctly I paid about $320 for them back then.
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Old 04-01-2018, 06:27 PM   #19
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Quote:
Originally Posted by Tireman9 View Post
First thing I always check is load capacity
Michelin is rated 6,940@ 139 and is LR-J
Firestone is rated 7,150@ 120 and is a LR-Hso you would be OK for load and infl

Dimensions from Michelin
OD 38.0 Width 10.9 and Loaded width 11.9

Firestone 40.2 11.1 and loaded width 12.5

For front I do not see a problem.
For the rear duals I do not know if yor wheels have enough offset to avoid "kissing" at the bulge.

Your tire guy is not paying attention to the details. You may be OK but you need to do some clearance measurements to confirm tou can tolerate the loss of 0.6" clearance. Doesn't sound like much but if you end up with any contact due to load bounce the tires may touch which is to be avoided .
Thank you, but as mentioned above(He is paying attention) I was wanting to move to a more popular tire size than the stock 275/70r/22.5 that is on it now. I miss typed the Firestone tire size above, they are not 80's they are 75's, Firestone's don't come in 80r's, So I was comparing the Michelin X Line Energy Z 275/80r/22.5 to the Firestone FS 591 295/75r/22.5 and wanting to know how easily the Firestone will be to find on the road if needed.
So here is the specs on the Michelin:
Load Range H
Catalog Number 66205
CAI 118838
Loaded Radius 18.7 in
Overall Diameter 40.1 in
Overall Width 11.0 in
Approved Rims 8.25, 7.50
Min. Dual Spacing 12.2 in
RPM 517 rpm
Tread Depth 19/32
Max Speed 75 mph
Max Load Per Tire Single 7160/120 lbs/psi
Max Load Per Tire Dual 6610/120 lbs/psi
Tire Weight 115.3

And here are the specs on the 295/75r/22.5 FS 591 Firestone tire:


SIZE

295/75R22.5

LOAD RANGE

H

PLY RATING

16

WEIGHT (LBS)

114.320

MEAS. RIM (IN)

22.5

OVERALL WIDTH (IN)

11.4

OVERALL LOADED WIDTH (IN)

12.5

OVERALL DIAMETER (IN)

40.2

STATIC LOADED RADIUS (IN)

18.8

TREAD DEPTH (32NDS)

18

MAX. TIRE LOAD SINGLE (LBS)

7160

MAX. TIRE LOAD DUAL (LBS)

6610

INFLATION PRESSURE (PSI)

120

MAX HIGHWAY SPEED (MPH)

75

REVOLUTIONS PER MILE

516

I am interested on getting a popular tire on the Coach this time around size wise. After year's of reading about folk's sitting for day's trying to find a replacement tire due them most all being RV specific and hard to find........
Any thought's........
Firestone are $511.00 each.......Michelins are $612.00 each.......he sells the Michelins for the same price as FMAC discount........
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Old 04-01-2018, 07:38 PM   #20
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And a delta of $101 over 10 years is chump change when amortized.
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Old 04-02-2018, 05:43 AM   #21
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Originally Posted by CampDaven View Post
And a delta of $101 over 10 years is chump change when amortized.
Money is not a factor as I explained..........
I also buy fuel as needed, and don't worry about buying lunch with saving's........from car fuel Island's.....
If I was crunching numbers it would be $606.00 /10
Thank you for the Chump Change tip though......
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Old 04-02-2018, 11:05 AM   #22
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Quote:
Originally Posted by palehorse89 View Post
Thank you, but as mentioned above(He is paying attention) I was wanting to move to a more popular tire size than the stock 275/70r/22.5 that is on it now. I miss typed the Firestone tire size above, they are not 80's they are 75's, Firestone's don't come in 80r's, So I was comparing the Michelin X Line Energy Z 275/80r/22.5 to the Firestone FS 591 295/75r/22.5 and wanting to know how easily the Firestone will be to find on the road if needed.
So here is the specs on the Michelin:
Load Range H
Catalog Number 66205
CAI 118838
Loaded Radius 18.7 in
Overall Diameter 40.1 in
Overall Width 11.0 in
Approved Rims 8.25, 7.50
Min. Dual Spacing 12.2 in
RPM 517 rpm
Tread Depth 19/32
Max Speed 75 mph
Max Load Per Tire Single 7160/120 lbs/psi
Max Load Per Tire Dual 6610/120 lbs/psi
Tire Weight 115.3

And here are the specs on the 295/75r/22.5 FS 591 Firestone tire:


SIZE

295/75R22.5

LOAD RANGE

H

PLY RATING

16

WEIGHT (LBS)

114.320

MEAS. RIM (IN)

22.5

OVERALL WIDTH (IN)

11.4

OVERALL LOADED WIDTH (IN)

12.5

OVERALL DIAMETER (IN)

40.2

STATIC LOADED RADIUS (IN)

18.8

TREAD DEPTH (32NDS)

18

MAX. TIRE LOAD SINGLE (LBS)

7160

MAX. TIRE LOAD DUAL (LBS)

6610

INFLATION PRESSURE (PSI)

120

MAX HIGHWAY SPEED (MPH)

75

REVOLUTIONS PER MILE

516

I am interested on getting a popular tire on the Coach this time around size wise. After year's of reading about folk's sitting for day's trying to find a replacement tire due them most all being RV specific and hard to find........
Any thought's........
Firestone are $511.00 each.......Michelins are $612.00 each.......he sells the Michelins for the same price as FMAC discount........
You did a good job of researching your possible choice.
Still need to confirm your sidewall clearance.

Re availability. Have you checked the Firestone commercial tire store locations?
I would check THIS web site and look for dealers in areas where you plan to travel. You could always call a couple and ask about availability of the tires you are considering. That would give you a good idea of any possible wait time.

Side question. Do you have enough space to fit a spare tire? No wheel just a used tire to carry just in case. Road service can change a tire on side of the road and you can then get off the highway to a store where you can have a new tire applied.
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Old 04-03-2018, 09:49 AM   #23
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Quote:
Originally Posted by Tireman9 View Post
You did a good job of researching your possible choice.
Still need to confirm your sidewall clearance.

Re availability. Have you checked the Firestone commercial tire store locations?
I would check THIS web site and look for dealers in areas where you plan to travel. You could always call a couple and ask about availability of the tires you are considering. That would give you a good idea of any possible wait time.

Side question. Do you have enough space to fit a spare tire? No wheel just a used tire to carry just in case. Road service can change a tire on side of the road and you can then get off the highway to a store where you can have a new tire applied.
No room for a spare tire........just always thought I'd take my chances while on the road finding a tire. This is why I am looking to move to a more popular tire size..........this time. Thank you for your help!!!!
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Old 04-05-2018, 08:28 AM   #24
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Update: 6 FS 591 Firestone's 295/75R/22.5 ordered yesterday, coming in today! One day delivery with 2018 DOT date code's on all of them.......
Lot better than trying to get proper date code's from Michelin...........
The warehouse said they had 20 of them, sold 10 of them, 10 left, I took 6.....20 more ordered by the warehouse. They said they are a very popular and good selling tire for them........
Now I need some good weather, 3" of snow here this morning
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Old 04-07-2018, 10:20 PM   #25
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I put a set of Firestone FS 591's on my last coach and they were nice tires. I will buy them again!
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Old 04-09-2018, 03:57 AM   #26
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Thank you for your post Dennis, I am glad to hear you like them and will buy again! Can't wait for the weather to straighten up so I can get them installed......and take off. Spring is hard coming to the Northeast this year!!
Travel safe.
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Old 04-23-2018, 06:24 PM   #27
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New Firestone's installed today........I really like the tire pattern, and the inside and outside leading edge's have a extra strip on them to combat leading edge wear like what happened to my Michelin's........
They ride a lot better from just the short distance from the shop to home.......higher sidewall on them. Coach sits 1" higher...........
Now, we will see how they handle and wear.....heading south Sunday..........
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