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Slicks on a 7" wide rim #234608
02/24/09 11:12 AM
02/24/09 11:12 AM
Joined: Jan 2003
Posts: 7,128
Texas
BBR Offline OP
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BBR  Offline OP
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Texas
Suppose you HAD to run a 7" wide rim, what size slick could you run? 9"?

Something like a 29x9.0-15?



Drag Week 2011 - 77th place - DD Drag Week 2012 - 2nd place SRBB N/A Drag Week 2014 - Kapooya
Re: Slicks on a 7" wide rim [Re: BBR] #234609
02/24/09 11:22 AM
02/24/09 11:22 AM
Joined: Jan 2004
Posts: 507
Illinois
Hurst390 Offline
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Hurst390  Offline
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Posts: 507
Illinois
I wouldn't..It would not take long to use up the center of a wider tire on such a narrow rim...I ran some firestone 26x7 slicks on a 6or7"rim in my SC/Rambler with a 4-speed..left at 7k..ran mid 11's with that car..


80 AMX Barry Allen 420 AMC Iron Heads Jerico 4-speed Advanced clutch 2950# street legal 5.97 115.73 Coles county dragway 10/28/07 9.42 142.96 best in 08(6.00 115.8 1/8) 5.97 116.2 in 09 http://www.youtube.com/watch?v=AXSr201-tmA
Re: Slicks on a 7" wide rim [Re: BBR] #234610
02/24/09 11:40 AM
02/24/09 11:40 AM
Joined: Jan 2003
Posts: 2,930
Richmond, VA
VT_Dart Offline
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Richmond, VA
Depending on the actual tire, I think you could get away with a 9". I ran a 10.5" Sportsman Pro on a 7" rim and, although it was way too wide a tire, it still technically worked and hooked pretty well with the right pressure. It actually didn't wear nearly as bad as I thought it would either.


Darrah Heath
Re: Slicks on a 7" wide rim [Re: BBR] #234611
02/24/09 01:21 PM
02/24/09 01:21 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
S
S/ST 3040 Offline
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On the south side of Nowhere
I used to run an H&H Race Master G60/15 (8.2" x 26") on
15" x 7" steel wheels on my 71 Duster.

I'd say they fit perfectly. I wish I had pictures of that car.

Re: Slicks on a 7" wide rim [Re: BBR] #234612
02/24/09 04:37 PM
02/24/09 04:37 PM
Joined: Oct 2007
Posts: 534
Ohio
racerAL Offline
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Ohio
I run 15x7 cop wheels with a 30x9 Hoosier slick..as stated earlier you will have un-even slick wear...i have 42 passes on mine and they are starting to wear in the center..you didn't say how fast you were going to go or how heavy of a car you are runnin,that will have an effect on how fast the slick wears.If you are going to be slower than 12.50's or so ,i would say that you would get avg. life out of the slick. ...I don't have a very good pic of my car with just the wheel and slick ,but this one willl show you how they look... [image][/image]

Last edited by racerAL; 02/24/09 04:49 PM.
Re: Slicks on a 7" wide rim [Re: racerAL] #234613
02/24/09 06:43 PM
02/24/09 06:43 PM
Joined: Jan 2003
Posts: 7,128
Texas
BBR Offline OP
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Texas
That's the money shot! Thanks!

It is about 2900lbs hopefully running 10.90's, but will probably 60' pretty fairly lousy.


Drag Week 2011 - 77th place - DD Drag Week 2012 - 2nd place SRBB N/A Drag Week 2014 - Kapooya
Re: Slicks on a 7" wide rim [Re: BBR] #234614
02/24/09 07:06 PM
02/24/09 07:06 PM
Joined: Apr 2004
Posts: 478
Tucson, Arizona
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johnnyrotten Offline
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Tucson, Arizona
I have been running 29.5x10.5x15 Mickey Thompson ET drags on a 7" wheel for years with no problems at all. I get a good contact patch and even wear across the entire tread. I wore the last set to the cords and they showed the even wear very well!! I would have liked to run a wider wheel, but a stock wheelwell, stock spring location, and no money prevented it from happening. I would think a 29x9 would work fine, even a 28x9. It may not be optimum, but with tire pressue adjustments you should have good results.

Re: Slicks on a 7" wide rim [Re: BBR] #234615
02/24/09 07:10 PM
02/24/09 07:10 PM
Joined: Aug 2003
Posts: 1,442
K
KOS Offline
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KOS  Offline
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K

Joined: Aug 2003
Posts: 1,442
ive ran 29x9 and 28x9slicks and now 275/60DR(28x9)on a 7"rim running 9.7s @137mph and mid 1.3 60fts with no problems whatsoever.

Re: Slicks on a 7" wide rim [Re: KOS] #234616
02/24/09 07:51 PM
02/24/09 07:51 PM
Joined: Oct 2007
Posts: 534
Ohio
racerAL Offline
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Ohio
KOS..if you don't mind i have a few ? about runnin that fast on that size slick....first off, do you run tubes and secondly what air pressure do you usually run...I'am wondering now if i'am running to much pressure...


-1967 Plymouth Satellite #3555
451 cid on E-85
best 1/4 et 10.747 @ 121.13
best 1/8 et 6.722 @ 100.68
best 60ft. 1.419
Re: Slicks on a 7" wide rim [Re: racerAL] #234617
02/24/09 09:25 PM
02/24/09 09:25 PM
Joined: Apr 2003
Posts: 799
north west LA
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W2DODGE Offline
super stock
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Posts: 799
north west LA
I have run Goodyear 28 and 29x9 and M/T 28x9 on 7" rims under my dart down to 1.461 60' 6.61 @ 104 MPH 1/8th the centers will wear a bit but by the end of a season Feb - Nov racing test and tune 2 to 3 days a week the sidewalls go before the tread

Re: Slicks on a 7" wide rim [Re: racerAL] #234618
02/24/09 10:32 PM
02/24/09 10:32 PM
Joined: Aug 2003
Posts: 1,442
K
KOS Offline
pro stock
KOS  Offline
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K

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Posts: 1,442
Quote:

KOS..if you don't mind i have a few ? about runnin that fast on that size slick....first off, do you run tubes and secondly what air pressure do you usually run...I'am wondering now if i'am running to much pressure...




with the slicks i tried both ways with and without tubes at 14.5-15lbs of air pressure either way.no noticable difference in performance maybe a tiny bit more stable up top with the tubes.with the DRs no tubes 18lbs of air press.


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