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Author Topic: Cop Rim Tire Sizes  (Read 1496 times)
451 valiant
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Cop Rim Tire Sizes
« on: January 03, 2006, 03:37:13 PM »

Has anyone tried cramming 275 60 15's on 7" cop rims. recommended rim width is 7.5-9.5" for bfg drag radials. Just wondering if it is even safe or whether the 1/2" will matter?? Any suggestions or has anyone tried??
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Re: Cop Rim Tire Sizes
« Reply #1 on: January 03, 2006, 04:39:00 PM »

I put 265 60 15's on mine
-ritchie
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451 valiant
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Re: Cop Rim Tire Sizes
« Reply #2 on: January 03, 2006, 05:05:06 PM »

Which brand of tire did you run?  I haven't been able to find that size in BFG's. Drag Radial choices were 235 or 275, radial t/a was available in 255 or 275.
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68GTconvert
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Re: Cop Rim Tire Sizes
« Reply #3 on: January 03, 2006, 07:30:23 PM »

I have 255-60's.
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68 440-convertible. 67-Dart-340-4 speed.

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Re: Cop Rim Tire Sizes
« Reply #4 on: January 04, 2006, 12:36:22 AM »

Has anyone tried cramming 275 60 15's on 7" cop rims. recommended rim width is 7.5-9.5" for bfg drag radials. Just wondering if it is even safe or whether the 1/2" will matter?? Any suggestions or has anyone tried??

straight line or do you want to go through a corner over 25mph? your gonna have to run low air pressure to make the tire not crown and go bald in the center. Wink
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'64 Barracuda, 360, 4spd, 8-3/4.....lots of stuff done, but alot still to do
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Re: Cop Rim Tire Sizes
« Reply #5 on: January 04, 2006, 01:18:46 AM »

if you have room get your 7 in to a rim guy and add a inch or 2   i added  2 1 / 2  to my rim  i run bfg  275 - 60 . ( my car was  mini tub )  looks good to 
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Re: Cop Rim Tire Sizes
« Reply #6 on: January 04, 2006, 11:29:12 PM »

that size will fit and its not to bad either although an 8" rim would be better. That is the biggest tire id stuff on that rim in a 60 series.

--chad
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Formerly: 400dart, 4523 posts on old board.
Recovering racing addict and turbo junkie

Life is just fine in the slow lane.

'85 D150 stepside, lowered, magnum 360
'96 Dakota,3.9, 2" drop, GenIII wheels
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Re: Cop Rim Tire Sizes
« Reply #7 on: January 05, 2006, 02:26:08 AM »

Using a drag radial, you'd almost be better with a 235/60/15 as you would have a flatter contact patch (more tire tread planted firmly on the track) with the 7" rim. what i'm saying is that more of the tires contact patch would be used with the tires optimum pressure in it. Wink
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'64 Barracuda, 360, 4spd, 8-3/4.....lots of stuff done, but alot still to do
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Re: Cop Rim Tire Sizes
« Reply #8 on: January 05, 2006, 11:49:39 PM »

Stockton sells cop car wheels in any size and back spacing up to 17x10's.  The price isn't really too bad for the 17x10's but they won't be able to make them for 3-4months.  I called them earlier this week about them.
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Re: Cop Rim Tire Sizes
« Reply #9 on: January 06, 2006, 12:07:29 AM »

but they won't be able to make them for 3-4months. 

Ha, thats if your lucky, from some of the stockton stories i heard, it could be double that.

--chad
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Formerly: 400dart, 4523 posts on old board.
Recovering racing addict and turbo junkie

Life is just fine in the slow lane.

'85 D150 stepside, lowered, magnum 360
'96 Dakota,3.9, 2" drop, GenIII wheels
'95 Ram, her truck
'71 Duster, her car, 318/air, stock
'20 Model T pickup, stock
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