Needing new rims for slicks.

Mike Puckett

SCCoA Member
Since Sportsman class can run full slicks now, I want to run them next year. I've decided to go with either a 9" or 10" by 26" Hoosier, 18120D06 or 18131D06. I would rather run a 26" than a 28" tire due to losing gear from the larger diameter tire. Only problem is I have to get new wheels for them. Hoosier does make a 16" slick but it is a 28" and I would rather run a 26". For $80/ea Diamond Racing Wheels has a 15x8 or for $87/ea has a 15x10. They will drill them in a 5x4.25 bolt pattern no problem. Now for the part I'm not sure about. The 15x8 can be made with a 5" backspacing and the 15x10 has a 6" backspacing. This appears to conform to the stock wheel but will they actually fit properly. I'm not sure about the offset but if the backspacing is good does the offset matter? Can someone help me out here? The wheels are made to order and cannot be returned so I want to be sure they'll fit correctly. Also, will the 10" slick clear the fender well Ok?
 

BLOWN38

SCCoA Member
Here is my car with a 10" rim with 6" backspace and 28x11.5x16 et street. The tread on the the tire is only 8.5" but the tire sidewall is 11.5".
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The Hoosier drags don'r bulge like the Et Streets. The tread width on the hoosiers is 10".
 
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BLOWN38

SCCoA Member
And here is the 28x10x16 hoosier drags on a 9" rim. The rims are 7.5" wide v6 stang wheels widened to 9". The hoosiers on the 8" rim would probably look similar to what the et streets look like on my 10" rims.
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Mike Puckett

SCCoA Member
I looks like the 9" slick on a 15x8 rim is a better fit. Would the 10" hook any better or would I not likely notice any difference? I was aware of the sidewall being wider on the ET Street. My 10.5's have only 9" tread width. The spec on the 8" rim would be: 15x8 with a 12 offset and a 5" backspace. Does this look right?
 

Mike Puckett

SCCoA Member
I just checked and Hoosier recommends either an 8" or 10" rim for the 10" slick. I was thinking that they didn't recommend the 10" their on an 8" rim, but I guess that was M/T that did that.
 
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