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73-87 Chevy _ GMC Trucks => Wheels & Tires => Topic started by: maximus5541 on May 05, 2009, 06:12:14 pm

Title: rubbing
Post by: maximus5541 on May 05, 2009, 06:12:14 pm

so i just got done putting on the rest of my parts: 2 inch drop springs, 3 inch drop spindles; lower the truck down and i got about an inch of tire tucked in the fenders. 255/70r15. the slightest bump in the road and the tire rubs in inside fender well, and the sidewall rubs on the fender lip. So, to correct this do i need lower profile tire, or a different wheel to pull the tires in, or a combination of both? I will get some pics up later.
(http://i127.photobucket.com/albums/p129/maximus5541/DSC02286.jpg)
(http://i127.photobucket.com/albums/p129/maximus5541/DSC02289.jpg)
(http://i127.photobucket.com/albums/p129/maximus5541/DSC02288.jpg)
(http://i127.photobucket.com/albums/p129/maximus5541/DSC02287.jpg)

Title: Re: rubbing
Post by: levisjohnson on May 05, 2009, 07:45:33 pm

Your running 10 inch wide tires.  How wide is you wheel?  I think you need a 265/75 R15 on an 8 inch wheel.  That would keep you the same overall tire height.

Title: Re: rubbing
Post by: VileZambonie on May 05, 2009, 08:48:52 pm

You need lower profile tires and an alignment!

This is how you measure a tire. Example a 275/60R15

275mm wide,

60 series is the height of the sidewall. 60 % of 275 = 165mm

R= radial

15" rim

You select the best fit by looking at your truck and a tape measure or ruler. Don't forget to measure top and bottom of the tire lol

I have 26/50 R15 on my 74

Title: Re: rubbing
Post by: Captkaos on May 06, 2009, 12:54:03 am

Like Vile said you need SHORTER tires.

Title: Re: rubbing
Post by: maximus5541 on May 06, 2009, 03:40:47 pm

thanks guys for the help. so, if i just get a smaller profile tire i should be ok? I have a 70 series tire now, and if i go with a like 50 series tire should that be enough?

Title: Re: rubbing
Post by: Captkaos on May 06, 2009, 04:11:50 pm

You need to find the height that will work, I wouldn't put 50 series tires on there.  Just measure and see how much height difference you need.

Title: Re: rubbing
Post by: eventhorizon66 on May 06, 2009, 04:22:29 pm

255/50-15  =  25" tall   -->  ((255/25.4)*.50*2)+15 = 25

255/60-15  =  27" tall

275/60-15  =  28" tall

Title: Re: rubbing
Post by: VileZambonie on May 06, 2009, 06:49:13 pm

Quote from: VileZambonie on May 05, 2009, 08:48:52 pm

I have 26/50 R15 on my 74

I meant 265/50R15