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what mods to get 28x11.5-15 to fit?

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Old 05-29-2008, 10:52 AM
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Default what mods to get 28x11.5-15 to fit?

I am about to order my rims and tires. I am going to be ordering Weld Prostars 15x3 with 1.75" backspacing with MT sportman 26x7.5-15's for the front. For the rear i am ordering 15x10 with 7.5" backspacing with MT E.T. streets 28x11.5-15's. Now my question is will the 28x11.5's fit or do i have to modify some things in the rear to get them to fit? I know i need a spacer for the front, new studs all the way around and grind the rear calipers to fit the welds. What else do i need to do to get them to fit or should i go with a different size tire? I wanted to go with the 26x11.5 but they are on back order where i am ordering everything.
Old 05-29-2008, 11:11 AM
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I had to trim away some of the bumper cover on the inner edge to get my M/T 28" Et streets to fit. You won't see really notice it from the side if you do it right. If I remember I'll try to post up a pic of where I did my trimming.
Old 05-29-2008, 11:28 AM
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ok cool. so no BFH mod to the inner wells?
Old 05-29-2008, 01:21 PM
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anybody else? i need to know within the next couple of hours so i can order them today. thanks.
Old 05-29-2008, 02:43 PM
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bfh maybe, depends on the brand of tire.
Old 05-29-2008, 03:18 PM
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i am ordering MT. ET streets 28x11.5-15's
Old 05-29-2008, 08:03 PM
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Originally Posted by creaper
i am ordering MT. ET streets 28x11.5-15's
I have the MT Et streets in 28x11.50- 16's. They should both be very similar in dimensions. As far as using a hammer to pound anything in , IDK? I already used a hammer to make my 18'' Z06 wheels fit without rubbing, plus a spacer, so I couldn't tell you if it is necessary or not.
Old 05-29-2008, 08:03 PM
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I'd like to know as well. I have a set of Hoosier 325/50/15s on the same size prostars.

Creaper, you live in Waldorf? I work just up the road at Andrews. What kind of car do you drive?
Old 05-30-2008, 10:29 AM
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Search around in the Drag racing tech section. There are a couple of theads floating around there with pics
Old 05-30-2008, 01:28 PM
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Originally Posted by z28misfit
I have the MT Et streets in 28x11.50- 16's. They should both be very similar in dimensions. As far as using a hammer to pound anything in , IDK? I already used a hammer to make my 18'' Z06 wheels fit without rubbing, plus a spacer, so I couldn't tell you if it is necessary or not.

Any pictures? I always wondered how a 28" et street would look on 16s.
Old 05-31-2008, 12:17 PM
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Originally Posted by LS1HIGHLIFE
I'd like to know as well. I have a set of Hoosier 325/50/15s on the same size prostars.

Creaper, you live in Waldorf? I work just up the road at Andrews. What kind of car do you drive?
yeah i am waldorf, i have a Black 01 Z28.
Old 06-02-2008, 09:11 PM
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Originally Posted by Camaro396
Any pictures? I always wondered how a 28" et street would look on 16s.
no i don't have any pictures.I guess I'll have to take some when I think of it. I mounted them on my z28 5 spoke wheels, they look okay I guess, not really my kinda style but it was cheaper than buying a set of 15'' welds. Eventually I want to get some welds or bogarts for the track.
Old 06-11-2008, 11:44 AM
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Anyone with 28x13.5x15's ?
Old 06-11-2008, 12:19 PM
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Originally Posted by junior28570
Anyone with 28x13.5x15's ?
I was wondering the same thing, since the M/T DRs are about impossible to find, Im going to be due for tires soon, and was wondering if I should order the 28x12.5-15s, or the 28x13.5-15s.
Old 06-12-2008, 08:14 AM
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I run Weld Draglites 15x10 w/7.5bs along w/MT 325/50 drag radials. Yes, a lot of BFH inside the fenderwall, more to the front area. Also cut out the bumpstop area aswell.
Here's a couple of pics of the wheel/tire:



Old 06-14-2008, 06:05 PM
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you got a under the car pic
Old 06-15-2008, 06:59 AM
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Originally Posted by BOLO
I run Weld Draglites 15x10 w/7.5bs along w/MT 325/50 drag radials. Yes, a lot of BFH inside the fenderwall, more to the front area. Also cut out the bumpstop area aswell.
Here's a couple of pics of the wheel/tire:



^^^did you have to cut into your spring housing and recess your bump stops almost on your springs? Are you running any spacers or any lowering springs?
Old 06-15-2008, 07:53 AM
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^^^No spacers. Stock springs (1 coil cut). Fronts are QA1's adjustable coilovers for drag racing.
Old 06-16-2008, 11:19 AM
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I'm running 28/12.5/15 on Bogarts on my 2001 ws6. I was cruising to a gtg saturday, well I decided to floor it just because I dont go to the track enough and the closest one is 2 hr's away. well when I was reaching some where around 90/100 mph I looked up at rearview mirror and noticed blue smoke. checked gauges, all good. smelled rubber. once at the gtg I inspected tire and u can see where it was rubbing due to tire swelling. rubbing acuured on inside fender lip, fwd/aft. I wondering if these tires might be to big to run or maybe remove the spacer and grinde the calipers. I'm at work so when I get home I'll post some pics......anybody had/has or know of somebody who encountered this before and what was the fix to this? other then replacing tires.. I only have about 200 miles on these tires....
Old 06-16-2008, 02:24 PM
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Originally Posted by cowboysfan
I'm running 28/12.5/15 on Bogarts on my 2001 ws6. I was cruising to a gtg saturday, well I decided to floor it just because I dont go to the track enough and the closest one is 2 hr's away. well when I was reaching some where around 90/100 mph I looked up at rearview mirror and noticed blue smoke. checked gauges, all good. smelled rubber. once at the gtg I inspected tire and u can see where it was rubbing due to tire swelling. rubbing acuured on inside fender lip, fwd/aft. I wondering if these tires might be to big to run or maybe remove the spacer and grinde the calipers. I'm at work so when I get home I'll post some pics......anybody had/has or know of somebody who encountered this before and what was the fix to this? other then replacing tires.. I only have about 200 miles on these tires....
With a ET street that is going to grow with tire speed, in a 28" size, is usually a good idea to roll the fender lips.


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