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Old Dec 21, 2004 | 09:50 PM
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Default Drag radials

Any one have a 275/50/15 on a 15 in rally? If so dose it stick out? Looking to get some drag radials and I don't want them to hit on a hard launch. A pic would be great.

Thanks in advance John
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Old Dec 21, 2004 | 10:02 PM
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I dont have the size you're asking, but I use MT ET Drag radials size 235/60/15 on Cragar aluminum SS alloys which fit nicely....I thought I would need wider tires, but these bite good enough for 1.60 sec. 60 ft. times & 11.8 ET's on my '69.
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Old Dec 21, 2004 | 10:12 PM
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Wow that's the time I'm shooting for. I made 390 on a chassis Dyno (running rich) and my Vette weighs 3600 with me in it so it should go 11.80. Maybe I will get the 235/50/15 drag radial instead. To bad they don't make a 255 that would be perfect.
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Old Dec 21, 2004 | 10:13 PM
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Originally Posted by 78 Vette
Any one have a 275/50/15 on a 15 in rally? If so dose it stick out? Looking to get some drag radials and I don't want them to hit on a hard launch. A pic would be great.

Thanks in advance John
I've seen them on a car with 3.375 backspacing and they slightly stick out.. However - with stock backspacing - they shouldn't stick out
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Old Dec 21, 2004 | 10:17 PM
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I think a rally is 4 inch am I right?
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Old Dec 21, 2004 | 11:03 PM
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That's what I use on my car when I race it. I use 1/4" spacers to keep the tire from rubbing the parking brake cable. They are right at the outer lip.
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Old Dec 21, 2004 | 11:07 PM
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Originally Posted by 78 Vette
I think a rally is 4 inch am I right?
that's correct!!
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Old Dec 22, 2004 | 06:42 AM
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Here's the only pic I have of my Drag Radials on my car (275/60/15). They fit fine, but I had to remove the parking brake bracket because it rubbed with the 4" backspacing

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Old Dec 22, 2004 | 07:32 AM
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Originally Posted by SmokedTires
Here's the only pic I have of my Drag Radials on my car (275/60/15). They fit fine, but I had to remove the parking brake bracket because it rubbed with the 4" backspacing

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Old Dec 22, 2004 | 05:19 PM
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Thanks for the pics and info .


John
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Old Dec 22, 2004 | 09:49 PM
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Originally Posted by 78 Vette
Wow that's the time I'm shooting for. I made 390 on a chassis Dyno (running rich) and my Vette weighs 3600 with me in it so it should go 11.80. Maybe I will get the 235/50/15 drag radial instead. To bad they don't make a 255 that would be perfect.
Your set-up seems similar to mine...mine dyno's 375 hp @ rear wheels & 424 ft-lbs. torque....approx 3300 lbs. with me in it...I still need some slight carb tuning, so you should have NO trouble going mid to high 11's with a good launch. Good luck! ( By the way, dont let the tire size number deceive you, the 235/60/15 drag radial is almost the same size as the 255 street radial).

Last edited by C3 Stroker; Dec 22, 2004 at 09:54 PM.
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