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Old 11-11-2011, 03:20 PM   #1
Join Date: Nov 2010
Location: Mashpee, Ma.
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Tire placement ...

Looking for some advise from some tire experts. I have a 2004 Coachmen Mirada 30QB on a F-53 chassis 16K with the original tires and 23k miles on them. It has 6 Continental Genral LMT400 225 70R19.5 tires on it. I ran over something sharp and put a gouge in the outer edge of the right front tire. Its to scary looking to leave on. My spare has no miles but im concerned that putting a tire with full tread up front with a tire with half tread will cause the unit to wander. Whats my best option here? Put the spare on the right front? Pull 1 tire from the rear and put it on the right front and put the spare in the rear? Pull 2 tires from different sides off the rear and put both up front and..... Anyway you get the juist of what im trying to accomplish. Whats my best option? I plan on new tires next year, cash is a bit tight this winter and I would like to make it till next summer with what I have, Thanks!

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Old 11-11-2011, 03:35 PM   #2
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I wouldn't drive on a damaged tire, nor would I drive on an 8 yr old spare. Bite the bullet and at least replace both tires on front. I've had a blowout on apparently good 5 yr old tires, and I don't plan to ever experience that again! And be sure to check the DOT date before you let them install on the tires on the m/h. I would not accept any tires more than one yr old at time of install. Good luck.

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Old 11-11-2011, 03:40 PM   #3
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Match the same axle tires within 4/32's of an inch over tire circumference. More than that can damage the differentional over time. If you wear a tire down more than 4/32's of an inch and then put a new tire on the same axle with it, the diff will need to make up the tire rotational difference. To picture this, imagine running on a space saver tire for hundreds or thousands of miles. This rule applies to any vehicle. If your orginal tires are wore more than 4/32 and one blows, you have to replace the opposing tire on the same axle if it is worn down more than 4/32.
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