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Old 07-21-2012, 07:51 PM   #1
Join Date: Jul 2011
Location: S.E. Arizona
Posts: 58
Firestone 507 22.5 tires

I just bought 6 new Firestone 507ís 295 75 22.5 load range H tires for our rig. I looked for Toyos, Goodyearís or something else with no luck. I replaced the original Michelins XZA2's, which were 275 80 22.5 load range H. I found these tires at a local shop and the price ($ 430.00 each vs $590.00 for Mich ZXE's) was far better than the Michelins so I decided to give them a try. I also found that these 295 75 22.5 are a very popular tire for big trucks and are common at truck stops. So we can get a tire if we're stuck somewhere along the way. All specs are very close to the XZA2 Michelans. They are rated at 517 revs per mile vs the Michelins at 516, so very close. The same spaces between the rear duals. I donít notice any difference on my speed and RPM gauge so I am happy there. I have to tell you at 110 PSI which is what I carried in the Michelins, the Firestones ride far better. If I can get the same service out of the Firestone tire Iíll be a happy camper.

2002 Newmar Mountain Aire, Spartan Chasis ISL 370 HP, Toad: 2004 Jeep Grand Cherokee Limited.
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Old 07-21-2012, 09:59 PM   #2
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I bought 4 Firestones last year and put them on my drive tires. They replaced Mich. They were 28% cheaper than Michelin. They have worked out fine.

B Bob
Country Coach 42' Affinity
2013 Jeep Wrangler Unlimited
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Old 07-22-2012, 06:14 PM   #3
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Firestones are a Bridgestone brand these days and the truck tires are probably made in in Bridgestone plants, so you should have an excellent tire there.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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