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Old 10-06-2015, 01:32 PM   #45347
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Just funnin yuh.

Off again as we are headed out for a couple of days.

Nice only having to answer to our whims once again.

May or may not be connected where we are headed as reception is spotty at best even on good days.

See you all later and play nice.

Steve, I got your message but too late to call and my MJ will not be making this trip. Will talk to you when we'alls get back.
Possum - when you called I was in Walmart. The phone decided not to ring - but the voice message was there. Doh.
Catch ya when you return to civilization, such as it is up there on the Island lol...
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Old 10-06-2015, 01:53 PM   #45348
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Originally Posted by Sky_Boss View Post
As Huntnski (EDIT Tim ) has posted the information let me put it in layman's terms...you got bamboozled.

255 is the width in mm.

70 is NOT width but a ratio of height to width. In other words, when they reduced your ratio from 80 to 70 you have a tire with a smaller diameter because the height of the sidewall is shorter. Thus it must turn faster for a given speed. That also means less MPGs and that your speedo is going to be off a bit. In the Michelin line the XZE tire diameter of 255/70s are 36.7" and the 255/80s are 38.5".

The net effect:

TIRE------RADIUS-----CIRCUMFERENCE-----REVOLUTIONS/MILE
255/70-----17.2------------54.04-----------------1172.56
255/80-----17.9------------56.23-----------------1126.71
(The radius is based on a loaded tire thus less than twice the published diameter. See attachment.)

(Theoretically, you will loose about 4% in fuel mileage with the smaller tire turning more revs per mile but you won't know it because your speedo will be off thinking you drove 4% further. LOL)

One other concern is load rating. At least in the Michelin line both the 255/70 tires have the same or higher load rating as the 255/80 tires.

The "R" only means it is a radial biased tire.
Aw, heck, PawPaw Steve, just put the doohickey in the microwave on defrost, measure the distance from the bottom of the tire to the valve stem, multiply that by the number of years you've been retired, put a quarter in the slot, kick the tire salesman, give the thingahmabob a quarter turn and you'll be good to go.

(Good to see you back, Don!)
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Old 10-06-2015, 01:56 PM   #45349
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Good Morning mutants!
The sun is up and the sky is blue again. I hear tell there is dusting of snow on the the San Juans... may need to take a little journey to see the white stuff... it's plesant here. The heat pump was on last night and Bonita B kept us in the comfort zone. Love spring and fall in the mountains!

Hopefully the PTJeeps parts arrive today! Will be good to reunite with them for some site seeing, great eats and mutant shenigans!

Not much to say - other than been looking at the map and beginning to figure our way to Vegas - then on to Az for the winter. We made a new friend here and will be stopping off to see them in Wickenburg before moving on to Peoria Az to see my cousin. Then on to Apache Junction to visit with our work camper friends we me in the RGV and visited with in Amana Colonies. A bonus round there as Papaw Steve and Mary Ann will be hanging their hats there too.

So official notice... 10/17 will be my 1 year retorement anniversary! Just around the bend. So hard to believe. One year off full timing is close behind! It has been awesome! Anyone thinking of giving it a go - I'm proof anybody can do it!
Congrats, Steve. You know you and Annie are our roll models.
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Old 10-06-2015, 02:04 PM   #45350
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Our Seattle departure has been delayed until 10/15 so we can doggie sit while my SIL is out of town. Luckily, the weather is staying nice so I'm not real motivated head south. The best part of retirement is being flexible.
You're so sage, Barb.
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Old 10-06-2015, 02:36 PM   #45351
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Papaw, they are indeed trying to weasel out. They should know nuff not to mess with RVMs with a large collective knowledge!
BTW, busy here with my AZ family, 2 sisters and many friends.
Now? My morning mission:
Attachment 108924
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Originally Posted by huntnski View Post
I think that's Wrong Steve! Read here.
Understanding Tire Sizes | Just Tires
Oh man, is THAT web site helpful. Thanks for sharing, Tim. When we get ready to buy a couple of new tires in February, we will have done our research and maybe I can talk half way intelligently with the tire salesman. So glad you posted that link.
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Old 10-06-2015, 02:56 PM   #45352
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Congrats, Steve. You know you and Annie are our roll models.
Well I am built to roll and Annie like a model... lol.
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Old 10-06-2015, 04:20 PM   #45353
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What a sweet thing to say about your sweet Annie...
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Old 10-06-2015, 05:46 PM   #45354
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Tim and Don Thanx

I have copied, pasted, and printed a copy of all that you have posted concerning the "actual dope" on tires. I am shocked that a manager of a truck tire store with 8 satellite locations would not know this.

If he really knows what is printed, why spin such a bunch of huey? Is $445 enough to be so blatantly dishonest?
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Old 10-06-2015, 06:08 PM   #45355
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^^^ Papaw Steve. Aparantley that's his price. Or, worse. He doesn't know what doing.
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Old 10-06-2015, 07:35 PM   #45356
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One more item on tire size comparison, and with pictures for Tim.

Tire Size Calculator
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Old 10-06-2015, 07:51 PM   #45357
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One more item on tire size comparison, and with pictures for Tim.

Tire Size Calculator


I see I screwed up my formula in my spreadsheet.

TIRE------RADIUS-----CIRCUMFERENCE-----REVOLUTIONS/MILE
255/70-----17.2------------54.04-----------------586.28
255/80-----17.9------------56.23-----------------563.35

The numbers are a little different than the web site but I think that is because I used the loaded radius (should have doubled that) from Michelin's information while the web site doesn't seem to account for that factor but it is plenty close enough.
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Old 10-07-2015, 07:00 AM   #45358
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iRV2 has to be checking their equipment to see if everything is working properly. No posts on "R U a Mutant Too" since last night before 10:00 p.m. Something has to be wrong.

Continued healing ohms to those that need them. I too am concerned about Moonrover.

Travel safe.
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Old 10-07-2015, 08:14 AM   #45359
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Quote:
Originally Posted by Sky_Boss View Post


I see I screwed up my formula in my spreadsheet.

TIRE------RADIUS-----CIRCUMFERENCE-----REVOLUTIONS/MILE
255/70-----17.2------------54.04-----------------586.28
255/80-----17.9------------56.23-----------------563.35

The numbers are a little different than the web site but I think that is because I used the loaded radius (should have doubled that) from Michelin's information while the web site doesn't seem to account for that factor but it is plenty close enough.
If you had not mentioned it I would have never known. I have had the web site I posted for a long time since Michelin XRV's are not readily available. I had to do tire comparisons.

Besides the height of a replacement tire, width is also a concern. To wide of a tire may cause some sidewall rubbing.

When are you coming to our area?
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Old 10-07-2015, 08:20 AM   #45360
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I have to tell you this little story about Miya.

Yesterday we decided to top off the propane. As a preparation for departure Earlene has to take Miya outside while I bring in the slides and raise the jacks. Miya can tollerate the ding, ding, ding, but is disturbed by it, so it is outside she goes. While they are outside the lights are checked on the RV and TOAD. As Earlene is standing in the front she indicates that she will walk, with Miya, over to the propane area.

She starts walking on the other side of the road as I start to maneuver out of the site. When Miya saw the coach moving she sat down on her haunches, not a normal sit down, but a butt dragging sit down and would not move until the RV door was adjacent to her and Earlene let her in. No way was she letting me leave without her.

Now, how do I train her to close the door while Earlene is still outside?

Oops! I might be in trouble now.
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