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Old 09-01-2015, 07:56 PM   #1
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Tire Conversion for P30

Does anyone know what size radials should I put on my new 86 Allegro? The dry rotted ones on it are 7.5x16LT. What metric size radial will fit? One tire shop said 215x85x16, and another 235x85x16. Is there a metric size range I can choose from to fit these 16in. rims? I think the rig weighs 3.5
I found these nearby, what do you guys think?

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Old 09-03-2015, 07:59 AM   #2
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i was just informed these 7.5x16LT's are trailer tires and not the proper tires for my rig.

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Old 09-03-2015, 08:18 AM   #3
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215/85/16 are 30.4" in diameter and have a 663 RPM
235/85/16 are 31.7" in diameter and have a 637 RPM

What is the diameter of your 7/5/15?
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Old 09-03-2015, 08:47 AM   #4
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"LT" stands for "light truck", which a small Class A is. "ST" tires are for "trailer service". You need to find a new person for tire advice!
Fran, Mary & Zoey (silver Cocker)
2006 Itasca Sunrise 35A, 2005 W-22, Allison 1000 5 speed
'13 Ford Focus ST or '10 Prius on Master Tow Dolly 80THD-SB or '00 Jeep Cherokee 4-down
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Old 09-03-2015, 01:20 PM   #5
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The 235s on the duallys will rub at the bottom

I am running BF Goidrich commercial 215.85.16

Wow, thats a great price for those tires, I would check the date code though
2005 Tiffin Allegro Bay 37DB
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Old 09-03-2015, 09:20 PM   #6
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Thanks you guys!
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Old 09-04-2015, 05:35 AM   #7
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My 235s have space between them
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Old 09-07-2015, 01:19 PM   #8
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I think I'm going to drive south and pick up a new set of six 215x85x16's for $580
I asked the guy for the DOT year and he said they are from 2014. Assuming they were made in the first week of 2014, that puts them at a maximum of 1 3/4 years old. Is that acceptable for unused tires? or should I keep looking for 2015's?

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