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Wanting to run a 325/50/15 drag radial, but.

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Old 11-19-2008, 07:28 PM
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Default Wanting to run a 325/50/15 drag radial, but.

Will they fit?
Narrowed 9 inch, 2 inches each side, Billet Specialties Street Lites: 15x10 with 5.5 b/s. Car is lowered just about an inch. I dont mind banging a little on my fender wells either.
Old 11-19-2008, 10:44 PM
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Bueler.........bueler......
Old 11-19-2008, 11:11 PM
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It should sit the same as a stock width rear end with 7.5 backspace would, in that case yeah you will just have to do some fender massaging.
Old 11-20-2008, 05:03 PM
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Cool, looks like 325/50's are going on!
Old 11-20-2008, 06:24 PM
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ya they should fit. another local T/A here runs them all day every day. You may need to roll the fender, but you probably are not as low as his car. No bump stops and a BFH should do the job.
Old 11-21-2008, 01:26 AM
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What suspension do you have? I'm not talking about the springs, but rather what other suspension do you have? If your suspension is set up correctly your rear tires will push down rather than go up. I ran 325/50/15's on my trans am and just had to do a little massaging with a BFH and it was still close but they did not rub and I was lowered 1" and didn't roll the fenders. I sold them to a guy with a camaro and he had problems with them rubbing but he was on stock suspension.
Old 11-21-2008, 11:58 AM
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325/50 with 15x10 7.5 on stock length axle. The what we had to do to make them fit safely without spacers.

we had to cut his bump stops off with the plasma cutter and beat in the front inner finder well and later he had to trim the rear bumper a little. The 2 humps with the 2 red lines it was rubbing there too and a hammer didnt help so i cut a line down the middle and beat it in flat with hammer and you could never tell it was cut after paint. he did not roll finder lip yet because he is not lowerd.

Best thing to do is bolt it up with a load on the rear end and where ever it hits make it not hit Then lower rear end and as it goes down see if it hits anywhere else if it dose hit.cut where ever it hits lol


Old 11-21-2008, 04:14 PM
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did anyone elses ABS go crazy from haveing 2 very different sizes of wheels on? The local guy is having problems with his ABS, and has me second guessing the 325's
Old 11-21-2008, 05:13 PM
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If by going crazy you mean not working than yes. When the sensors see that the wheels are spinning at 2 different speeds they turn the ABS off.
Old 11-21-2008, 05:19 PM
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ok so to run these tires you have to turn the abs off correct?
Old 11-21-2008, 05:21 PM
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abs is pointless if you running skinnys up front so just remove it

Justin DEE DEE DEE me didnt notice you were the topic starter when i poster other link LOL
Old 11-21-2008, 07:50 PM
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Originally Posted by 01ws6450hp
What suspension do you have? I'm not talking about the springs, but rather what other suspension do you have? If your suspension is set up correctly your rear tires will push down rather than go up. I ran 325/50/15's on my trans am and just had to do a little massaging with a BFH and it was still close but they did not rub and I was lowered 1" and didn't roll the fenders. I sold them to a guy with a camaro and he had problems with them rubbing but he was on stock suspension.
Yea my car does not sink on a launch. It stays the same height it the rear when its leaving the line.
Old 11-21-2008, 09:52 PM
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Originally Posted by black01_WS6
ok so to run these tires you have to turn the abs off correct?
it will turn itself off. anytime an abs system reconizes more then a 4-5% difference in tire diameter (it senses it off wheel speed) it kills the abs to prevent damage. go do a burnout for a few seconds and watch your abs light will turn on.
Old 11-21-2008, 09:55 PM
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and to the op if the car is lowered at all you may have to do a little bit of inner fender work. they will fit with stock springs. this is how close my 28x10.5's are with stock slp springs which are 1/2" lower then standard springs.



the rear shocks will have to be stiff to prevent cutting the tire.
Old 11-21-2008, 09:59 PM
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SLP springs must be more than 1/2 difference, because this is how my car sits stock ride height with 28s. Way more than 1/2 inch diff.



Old 11-21-2008, 10:05 PM
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Basically same setup here, 9" narrowed 2.25" on each side lowered 1" in the rear. Wheels are 15x10.25 with 5.5BS and 325's. I do run Qa1s all the way around so its stiff in the rear, no rubbing(even with both kids in the back!)



Last edited by NOSJNKY; 11-21-2008 at 10:18 PM.
Old 11-21-2008, 10:12 PM
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Originally Posted by Camaro396
SLP springs must be more than 1/2 difference, because this is how my car sits stock ride height with 28s. Way more than 1/2 inch diff.

damn is that a camaro z71!



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