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Old 10-12-2008, 02:27 PM   #1
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1949 18' Trailwind
Huntsville , Alabama
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tire change from 16" to 15"

we have some old 16 inch tires that we are going to replace. what i am after is more tread on the road so i am looking for a 15" tire with a wider tread, all the while staying within the confines of the wheel well. can someone give a little direction on this so that we can have a nice smooth ride? has anyone ran into something similar to this?

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Old 10-12-2008, 03:09 PM   #2
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Most owners of newer trailers are switching from 15" to 16" in order to get the quality of a Light Truck tire.



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Old 10-12-2008, 04:23 PM   #3
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tire change from 16" to 15"

Greetings Benjo!

Something to keep in mind while selecting new tires/wheels for your '49 coach is the wheel well clearance. Vintage single axle coaches are noted for extremely tight wheel well clearance so it is critical to have all measurements handy to determine whether a specific wheel/tire combination will fit. My suggestion would be to get your tire/wheel dealer involved in the ordering process so that he will be more responsible if the ordered setup doesn't work with the available clearances. Have you considered how much your proposed change might impact your road clearance? -- even with the factory specified rims and tires gast station driveways and some village street drainage systems can cause the rear of the coach to drag.

Good luck with your investigation!

Kevin D. Allen
WBCCI (Lifetime Member)/VAC/Free Wheelers #6359
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1978 Argosy Minuet 6.0 Metre/1975 Cadillac Eldorado Convertible (8.2 Liter V8/2.70 Final Drive)
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Old 10-12-2008, 06:52 PM   #4
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A 16" tire is not necessarily taller than a 15". Most 60s and 70s trailers used 15" tires. I have 15" inch tires on my trailers and a 16" spare ( only because it was cheap and available) The 16" spare is the same height and width as my 15" tires.
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Old 10-12-2008, 08:19 PM   #5
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What is the advantage of either the 15" or the 16"? It must have to do with cost?
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Old 10-12-2008, 08:56 PM   #6
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You have more tire choices with a 16 rim. Many are switching to 16 rims to use lite truck tires which don't seperate or blow like trailer tires.
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Old 01-13-2009, 07:17 PM   #7
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back again---here's what i ended up doing about the tires. i went to my tire guy and tried several different tires sizes until we found one that gave us enough clearance in the wheel well. i dropped the 16" wheels and went with 15x7 5 on 5 1/2 ST225 75 R15 Tow Max 8 ply. They worked great and we rode on them all the way to california and back with zero issues. What I am debating now is when I switched wheels I lost the ability to put my baby moons back on. I would like to take my old 16" wheels and have them sand blasted and repainted so I can put my baby moons on and have the vintage look. Below is an example of the wheel I am on now. Can someone point my in the right direction for a good tire size that will fit on the 16"? I hope I am being clear enough. Thx!
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Old 04-24-2009, 11:17 PM   #8
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This is a few months old, but what is the backspacing you got on the wheels? I have a line on chrome baby moons 15x7 in both 5 on 5.5" and 6 on 5.5"... I havent had the time to get measurements off my wheels.

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