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Replacing 7.50R16
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posted
Hi, I need to replace my RV's tires, 7.50R16 on right now, with 235/85R/16 but since they have a wider section width rubbing would a problem. Does anyone knows if placing spacers between the back rims is safe?

Thank you.
 
Posts: 4 | Location: Baja | Member Since: 05-27-2011Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 3/19
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It would be iladvised. Would change loading of bearings.
For our MINI, Discount Tire beat the best price I could find online. They have also given me excellent customer service with fast, free flat repair, free rotation, etc.
 
Posts: 2003 | Location: Jackson, Michigan, USA | Member Since: 04-18-2004Reply With QuoteReport This Post
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Hi Christian
You didn't say what your're driving but on our 77 20 ft we have 235/85R 16s which have worked just fine.

Regards Bud


1993 Breakaway 36ft & 1977 20 ft
Spartan: air ride and brakes & P32(?)
Cummins: 8.3 litre 250hp, PACBrake
Allison 3060 (6 spd)
Front entry, side hallway
7.5 kw diesel gen.
1999 2dr Tracker 4X4 5spd, SMI Braking system
 
Posts: 253 | Location: Yukon--Arizona and around | Member Since: 06-09-2006Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 5/10
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We have 235/85R/16 on the steers but went with 215/85R/16 because the 235s did rub.


1999 Bluebird Custom 33' 8.3 Cummins diesel pusher

Former owner 1989 Barth Regal 25'


 
Posts: 1312 | Location: Big South Fork TN | Member Since: 09-29-2009Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 5/10
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ooops my bad, 215s on the steers too


1999 Bluebird Custom 33' 8.3 Cummins diesel pusher

Former owner 1989 Barth Regal 25'


 
Posts: 1312 | Location: Big South Fork TN | Member Since: 09-29-2009Reply With QuoteReport This Post
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Hi Bud; yes, you are right, I should have mentioned my RV which is a 1994 Itasca Passage on a P30 chassis, with a 454, 7.2 Liter Chevy engine. The inside of the wheel measures 6"

Appreciate your taking the time to reply.

Christian.

quote:
Originally posted by bud@YXY:
Hi Christian
You didn't say what your're driving but on our 77 20 ft we have 235/85R 16s which have worked just fine.

Regards Bud
 
Posts: 4 | Location: Baja | Member Since: 05-27-2011Reply With QuoteReport This Post
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I did consider the 215/85R16 but the smaller diameter would affect the gas mileage which is important when the engine is a 454.

Thank you for your help.

Christian.

quote:
Originally posted by Marvin+Doris:
We have 235/85R/16 on the steers but went with 215/85R/16 because the 235s did rub.
 
Posts: 4 | Location: Baja | Member Since: 05-27-2011Reply With QuoteReport This Post
Supporting Member of Barthmobile.com 2/10
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Hi Christian
Ours too is a P30 but as you can see a "tad" older (more experienced). I do not know what the wheel measurements are but the original tire spec was for a 7.50 X 16.

Regards Bud


1993 Breakaway 36ft & 1977 20 ft
Spartan: air ride and brakes & P32(?)
Cummins: 8.3 litre 250hp, PACBrake
Allison 3060 (6 spd)
Front entry, side hallway
7.5 kw diesel gen.
1999 2dr Tracker 4X4 5spd, SMI Braking system
 
Posts: 253 | Location: Yukon--Arizona and around | Member Since: 06-09-2006Reply With QuoteReport This Post
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Hi Bud, I found out that the 7.50R16's on the RV have a section width of 9.2" so, the 235/85R16 should not be a problem as far as rubbing, besides, I think they are better tires and less expensive.

Thank you again Bud.

Have a great day everyday!

Christian.

quote:
Originally posted by bud@YXY:
Hi Christian
Ours too is a P30 but as you can see a "tad" older (more experienced). I do not know what the wheel measurements are but the original tire spec was for a 7.50 X 16.

Regards Bud
 
Posts: 4 | Location: Baja | Member Since: 05-27-2011Reply With QuoteReport This Post
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    Forums    Tech Talk    Replacing 7.50R16

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