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Old 06-12-2016, 09:08 PM   #15
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Originally Posted by chertz View Post
Larry, to be honest I would consider another set of Nexens.. especially if I could get a set of take offs from someone... if I get 40k miles out of them, that is about 5 years at the rate I drive.. they would be very cost effective at that point I believe.


Good to know. Thanks for your insight.
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Old 06-13-2016, 06:11 PM   #16
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Originally Posted by BCooke View Post
Unless you go 450 on Ford. 19.5" gotta be one... expensive buggers.
Not cheap for brand-name tires, even on an F-450 with stock-size 225/70R19.5 tires. Toyo M608 are $436 each. Michelin XZE one size up to 245/70R19.5 are $485 each
https://www.amazon.com/TOYO-M608-Rad...225%2F70R19.5#

But if you're talking about converting 17" dually tires to 19.5" dually wheels and tires, then they get really expensive in a hurry. Rickson is the best-known supplier: Almost $300 per wheel, plus the $400+ tire. But Rickson makes them to fit on 8-lug hubs as well as 10-lug hubs.
Rickson Wheel Manufacturing
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Old 06-13-2016, 11:21 PM   #17
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Having to drive my 450 daily for work, I have been thru 2 sets of Continentals (OEM + replacement set as about $345 each) then got 1/2-way thru a set of Hankooks when the engine blew. Picked up a used '10 450 with original Contis, 64k miles, but showing wear. Replaced them with Sailun 737s and 15-20k later, looking good. Also put 4 637s (17.5s) on the Suites last summer and they are also looking good at about 8k miles. All 10 tires cost me less than $2000 mounted.
The Hankooks work like iron but had no traction on wet asphalt, would not use them again.
Headed for Alaska this week--will report in if one of them bombs (or not).
Joe
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Old 06-14-2016, 04:05 PM   #18
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Originally Posted by Larry Mac01 View Post

Why would they discard 18" tires and replace it with 17" on the DRW's.
I believe the problem is to keep space between the duallies.
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Old 06-14-2016, 07:10 PM   #19
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wingnut60, How many miles you averaging?
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Old 06-15-2016, 01:12 AM   #20
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About 40k/year on truck, 15 on the trailer. Will be higher this year, off to AK that I expect will put 15k on everything.
The oem Contis got 78k, the replacements got 81, the Hankooks were at 47k and looking good, (traction probs, tho) when the engine blew. They went with the truck.
I am interested in seeing how these Sailuns play out--at $175/tire, if I get 6Ok without flat/blowout, will be ahead. Been hearing good reports, thought I'd try them.
I would have gone the Michelin route, as my first set of 17.5s wore really great, but had tread separations/severe checking at 4 years and Michelin would not help--tread looked new, but had separations. Too much $$ for the name--if they would have given me a break on a new set, would still have them on.
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Old 06-18-2016, 05:21 AM   #21
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When it's time to get new tires, what would you do?
I've got a RAM 3500 dually and upgraded to these since I get into slop on fire roads hunting.

T 255/80R17E Cooper Discoverer ST Max

Great grip - Very quiet on highway - Even picked 1-2 MPGs since its a taller tire.

Not that it matters - But they fill up the wheel wells much better. The stock tires look too small to me.

My net installed was only an extra $450 since I sold the 50 mile take offs on Craigslist....

Sarge
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Old 06-18-2016, 10:18 AM   #22
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Great grip - Very quiet on highway - Even picked 1-2 MPGs since its a taller tire.


Did you have the speedometer corrected to match the taller tires? The trip meter is tied to the speedo, and without correction your trip meter will not give accurate miles traveled.

Cooper doesn't include the tire revolutions per mile (revs/mile) in their specs for that tire, so I can't tell you the exact percentage of speedo error you have with an uncorrected speedo. But other brand of tire says 625 revs/mile for the 255 and 654 for the 235. That's 4.4% difference. So an uncorrected tripmeter mileage of 300 miles would be an actual 313 miles with the taller tires. 70 MPH on the uncorrected speedo would be an actual 73 MPH on Officer Bob's radar.
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Old 06-18-2016, 07:15 PM   #23
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Originally Posted by SargeInSoCal View Post
I've got a RAM 3500 dually and upgraded to these since I get into slop on fire roads hunting.

T 255/80R17E Cooper Discoverer ST Max

Great grip - Very quiet on highway - Even picked 1-2 MPGs since its a taller tire.

Not that it matters - But they fill up the wheel wells much better. The stock tires look too small to me.

My net installed was only an extra $450 since I sold the 50 mile take offs on Craigslist....

Sarge
Man I wish I could find a set of take offs for sale
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Old 06-18-2016, 08:00 PM   #24
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Originally Posted by SargeInSoCal View Post
I've got a RAM 3500 dually and upgraded to these since I get into slop on fire roads hunting.

T 255/80R17E Cooper Discoverer ST Max

Great grip - Very quiet on highway - Even picked 1-2 MPGs since its a taller tire.

Not that it matters - But they fill up the wheel wells much better. The stock tires look too small to me.

My net installed was only an extra $450 since I sold the 50 mile take offs on Craigslist....

Sarge
Not calling you a liar but have you compensated for the different tire diameter? Are you hand calculating?
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Old 06-19-2016, 01:19 AM   #25
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Judging by the range on a tank.

Used to get 340 miles or so when the light came on - Now about 370. (32 gal tank - Takes 28 gal when the light comessage on.)

Didn't recalibrate the speedo - Used my GPS and it showed 1.8mph difference.

The tires are 7/8ths taller than stock.

When rotating every 7500 miles - I just swap sides to keep from breaking down the rims.

Tuttle dealership in SoCal gives 20% military discount - Oil changes are about $160...
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Old 06-19-2016, 01:23 AM   #26
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Did you have the speedometer corrected to match the taller tires? The trip meter is tied to the speedo, and without correction your trip meter will not give accurate miles traveled.

Cooper doesn't include the tire revolutions per mile (revs/mile) in their specs for that tire, so I can't tell you the exact percentage of speedo error you have with an uncorrected speedo. But other brand of tire says 625 revs/mile for the 255 and 654 for the 235. That's 4.4% difference. So an uncorrected tripmeter mileage of 300 miles would be an actual 313 miles with the taller tires. 70 MPH on the uncorrected speedo would be an actual 73 MPH on Officer Bob's radar.
Then the MPG gains are actually more. Since the odometer/speedo haven't been recalculated and the miles per 28 gals has gone up in spite of the lower reading...
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Old 06-20-2016, 01:23 PM   #27
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Then the MPG gains are actually more. Since the odometer/speedo haven't been recalculated and the miles per 28 gals has gone up in spite of the lower reading...


Sarge: how much did you ask for the nexens in CL? Have you been off-road with the Coopers yet and if so how'd they do?
SIAP, how are the Coopers on highway noise?
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Old 06-20-2016, 01:31 PM   #28
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"Man I wish I could find a set of take offs for sale"

Just keep an eye on Craigslist, they pop up all the time in the DFW area. Complete sets including wheels, or just tires.

Joe
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