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Wheels and tires

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Jshelburn74@gmail.com

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Wheels and tires
« on: June 29, 2020, 09:28:43 pm »
Just wondering the best rims/tires for 2018 2910D
Was thinking of Alcoa/Michelin.
Anyone have any input??
« Last Edit: June 29, 2020, 09:31:35 pm by Jshelburn74@gmail.com »
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2 Lucky

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Re: Wheels and tires
« Reply #1 on: June 29, 2020, 10:16:49 pm »
I've had many brands of tires on many vehicles and never been disappointed by Michelin, but mostly unimpressed by all of the others.
IMHO
Dougn
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Ron Dittmer

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Re: Wheels and tires
« Reply #2 on: June 30, 2020, 10:52:32 am »
I will be replacing 4 of the 6 wheels with Alcoa Dura-Bright.  The best price I found was here.
https://buytruckwheels.com/collections/ford-e450-e350/products/ford-e350-e450-16-alcoa-durabright-wheel-package-1
Have you found a better price?

Regarding your 2910D, that is an extra heavy PC.  A few people have experienced tire blow-outs with the 2910 and 3100.  I would look hard at "E" rated tires that handle a heavier load, over 500 pounds extra per tire.  Here is an example of such a tire.
https://www.tireamerica.com/tires/sku/nexen/roadian-ct8-hl/lt225-75r16c-121-120r-e/000000000001100191
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Joseph

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Re: Wheels and tires
« Reply #3 on: June 30, 2020, 11:02:54 am »
Ron, are you telling me they send out a 30 foot motorhome on less then 120 E rated tires? My 2552 was 4 years old when I bought it with roughly 19k miles so I’m betting they were the original tires and they were E rated.

So what are they sending them out on from the factory?

After reading the new f53 chassis was improved upon I was hoping they might beef up the E450 for a heavier load but it doesn’t appear so from the ford web site.
« Last Edit: June 30, 2020, 11:18:21 am by Joseph »
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Ron Dittmer

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Re: Wheels and tires
« Reply #4 on: June 30, 2020, 12:23:07 pm »
Quote from: Joseph on June 30, 2020, 11:02:54 am
Ron, are you telling me they send out a 30 foot motorhome on less then 120 E rated tires?
I think so.  I don't know for sure because I never personally inspected the longest of PCs.  To you with a 2910 or 3100, do your research.  Model 2910T (triple slide out) would be a worst case scenario.  Get the specs for the tires you have and compare them to the example I provided.

The PC community needs to understand that there are different load ratings for "E" rated tires.  The tires on an E450 from Ford are standard ones, but my statement is unsubstantiated.

Some E rated tires handle a lot more weight than others.  Some require 83 psi to get the extra weight, others require 90 psi.  Because of the max psi rating of the Ford E-series steel wheel is 80 psi, I would avoid the 90 psi tires.

« Last Edit: June 30, 2020, 12:36:39 pm by Ron Dittmer »
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Re: Wheels and tires
« Reply #5 on: June 30, 2020, 12:38:16 pm »
Hello Ron
I never new that there were higher load handling E rated tire. I thought that the load index of 112 was the max, but the tire you sent the link to has a load index of 121. Have you ever used this brand of tire?

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Joseph

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Re: Wheels and tires
« Reply #6 on: June 30, 2020, 12:39:10 pm »
Ron, I wish they would beef up the E450.  Bigger tires, heavier suspension option.  It’s not just PC who struggles with weight in the longer rigs. I guess it’s about the ride but on the ESeries they could sure use a bit of an up grade option for the 30-32 foot weight class. Reading up on diff 120/121 E rated tires I haven’t seen any that when they rate them for a heavier load by a few hundred pounds that there is an increase in ply rating. Makes me a bit skeptical. 
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IWBryan

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Re: Wheels and tires
« Reply #7 on: June 30, 2020, 03:19:50 pm »
HI,
When I bought our 2910D used 2 years ago it had the original Michelin LXT tires.  At the time the tires only had 6K miles, however they had been sitting for 6 years.   I asked the RV dealer to replace the tires and they did with a Bridgestone  E rated tire.   They were fine for the first 10K miles, then the front tires started cupping. By 15K both front tires were cupped noticeably.   I originally thought the issue was with the front shocks, but the local truck tire/shock shop assured me that the shocks were fine and the issue was with the tire.  In the end, I replaced the shocks with Bilstein HD shocks and all the tires with the Michelin Crossclimate tire.   Using Ron's logic that some E rated tires are better than others, I went with the Michelin Crossclimate because it is a 83lb tire and they advertise that the side wall is 14% stiffer than the normal E rated tire.  While a bit more expensive than most E rated tires, I have had good luck with Michleins on my previous 3 RVs and so far am pleased with the Crossclimate tire.  They are available at Discount Tire.
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donc13

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Re: Wheels and tires
« Reply #8 on: June 30, 2020, 05:25:06 pm »
Quote from: Ron Dittmer on June 30, 2020, 10:52:32 am
I will be replacing 4 of the 6 wheels with Alcoa Dura-Bright.  The best price I found was here.
https://buytruckwheels.com/collections/ford-e450-e350/products/ford-e350-e450-16-alcoa-durabright-wheel-package-1
Have you found a better price?

Regarding your 2910D, that is an extra heavy PC.  A few people have experienced tire blow-outs with the 2910 and 3100.  I would look hard at "E" rated tires that handle a heavier load, over 500 pounds extra per tire.  Here is an example of such a tire.
https://www.tireamerica.com/tires/sku/nexen/roadian-ct8-hl/lt225-75r16c-121-120r-e/000000000001100191

Ron,

The Michelin Tires that came on my 2015 (built in Dec. 2014) are E rated.

Don
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Ron Dittmer

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Re: Wheels and tires
« Reply #9 on: June 30, 2020, 05:26:04 pm »
I don't have the opinion that Ford is selling E450s with the wrong tires.  I only know that the longest of motor homes including the longest PCs get quite tail heavy, especially with 2 or 3 slide outs.  Some owners experience rear tire blow-outs which can do very serious damage to the wheel well including the floor of the house.  If I owned such a motor home of any brand, getting those higher-rated tires and filling them up to 83 psi would be a high priority of mine.  When filled with 83 psi, each tire is rated for over 500 pounds extra weight compared to the stock tires.  With 4 such tires in back, that extra 2000+ pound margin would make me feel a lot better.  That is all I am saying here.

So if you own a 2910D, 2910T, or 3100 needing tires, I am suggesting you consider a replacement tire like the example I gave higher up in this conversation.
« Last Edit: June 30, 2020, 05:31:48 pm by Ron Dittmer »
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Joseph

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Re: Wheels and tires
« Reply #10 on: June 30, 2020, 06:21:33 pm »
IW, the Michelin’s are what I run. Are there better tires,,,, don’t know. I’m not saying ford doesn’t use the right tires I’m saying I wish the E450 was designed to carry more.  It’s probably built very well for the weight it was designed for. Guessing it comes down to I wish there was an E550 so to speak to handle the larger C class. Just me being selfish desiring a bit bigger unit without being tapped out on weight before I sit my keister in it .
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Re: Wheels and tires
« Reply #11 on: June 30, 2020, 09:45:07 pm »
The rear axle on the E450 is rated at 9,600 lbs.  4 tires support that so 9600/4 = 2400 lbs per tire at max load.   Michelin LT 225/75R16 M/S (what comes on the PC) are rated at 2680 lbs each @ 80 psi.  2680 x 4 = 10,720 lbs. Thus giving you 1,120 lbs excess capacity.

The wheels that come with the E450 is rated 80 psi max cold pressure.

Every brand of tire is subject to blowout.   Generally caused by under inflation and/or overweight...both of which cause excessive heat buildup.


« Last Edit: June 30, 2020, 09:48:43 pm by donc13 »
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Ron Dittmer

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Re: Wheels and tires
« Reply #12 on: June 30, 2020, 11:28:06 pm »
Quote from: Joseph on June 30, 2020, 06:21:33 pm
I wish there was an E550 so to speak to handle the larger C class.
There once was an E550.  I think Ford made it for two years, 2003-2004.  It might have been a class A type chassis with the full front axle, huge tires, a lot more capability, and the van cab like the E450.  Here is a picture of one.  I don't know if any motor home manufactures utilized it.
« Last Edit: June 30, 2020, 11:31:02 pm by Ron Dittmer »
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Ron Dittmer

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Re: Wheels and tires
« Reply #13 on: June 30, 2020, 11:35:23 pm »
Quote from: donc13 on June 30, 2020, 09:45:07 pm
The rear axle on the E450 is rated at 9,600 lbs.  4 tires support that so 9600/4 = 2400 lbs per tire at max load.   Michelin LT 225/75R16 M/S (what comes on the PC) are rated at 2680 lbs each @ 80 psi.  2680 x 4 = 10,720 lbs. Thus giving you 1,120 lbs excess capacity.

The wheels that come with the E450 is rated 80 psi max cold pressure.

Every brand of tire is subject to blowout.   Generally caused by under inflation and/or overweight...both of which cause excessive heat buildup.
I wonder how people are loading their extra long, extra heavy rigs.  They might be exceeding the load ratings and not realize it, especially with a shorter wheel base.

Concerning an 80 psi wheel versus 83 psi tires, I imagine the minor 3 psi discrepancy is tolerable.
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donc13

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Re: Wheels and tires
« Reply #14 on: June 30, 2020, 11:42:58 pm »
Quote from: Ron Dittmer on June 30, 2020, 11:35:23 pm
Quote from: donc13 on June 30, 2020, 09:45:07 pm
The rear axle on the E450 is rated at 9,600 lbs.  4 tires support that so 9600/4 = 2400 lbs per tire at max load.   Michelin LT 225/75R16 M/S (what comes on the PC) are rated at 2680 lbs each @ 80 psi.  2680 x 4 = 10,720 lbs. Thus giving you 1,120 lbs excess capacity.

The wheels that come with the E450 is rated 80 psi max cold pressure.

Every brand of tire is subject to blowout.   Generally caused by under inflation and/or overweight...both of which cause excessive heat buildup.
I wonder how people are loading their extra long, extra heavy rigs.  They might be exceeding the load ratings and not realize it, especially with a shorter wheel base.

Concerning an 80 psi wheel versus 83 psi tires, I imagine the minor 3 psi discrepancy is tolerable.

No, except for extremely rare instances, uping from 80 to 83 psi should not cause harm. But adding essentially 20% to the weight, thus being about 2,000 lbs to  axle load is unsafe.

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