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What size IROC tires?

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Old 02-23-2005, 12:47 PM
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Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
What size IROC tires?

I'm getting a set of IROC rims this week for my bird since I love the look of them. It doesn't come with tires so does anyone know the stock size? Also, any reccomendations for inexpensive tires? Its a V6 daily driver so I just need good rain traction and cornering. Thanks!!
Old 02-23-2005, 02:58 PM
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Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Stock size tire for 16" IROC wheels is 245/50-16.

I think there was a 15" IROC wheel introduced in '88. I don't know what the stock size tire was for this wheel.
Old 02-23-2005, 05:58 PM
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Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
Sorry, I assumed all of them were 16"s. Thanks alot though! Time to browse dozens of threads about "which tire is best" and "goodyear sucks!".
Old 02-25-2005, 11:28 PM
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Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
i ran a 245/50/16 on the front, and a 255 55 16 on the back. real nice look and helps a bit with traction when im not running my drag radials.
245 50's just dont hook.
Old 03-05-2005, 07:23 AM
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Car: 88iroc
Engine: 355 blueprint engine
Transmission: raptor built 700r4
Axle/Gears: 373
tires

i just bought firestone indy 500 and they handle great wet and dry
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