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Old 10-08-2009, 02:42 PM   #1
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Nitto 555 drag radials: 305 or 275?

For the stock 20" wheels on our '10, will we need the 275/40R20 or the 305/35R20? I'm assuming the 275??
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Old 10-08-2009, 04:28 PM   #2
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Based solely on rim width for the stock 20's, you'll want the 275's. Stock rim width is 9". The 305's need at least a 10" rim width.
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Old 10-08-2009, 09:22 PM   #3
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Originally Posted by rolnslo View Post
Based solely on rim width for the stock 20's, you'll want the 275's. Stock rim width is 9". The 305's need at least a 10" rim width.
Ok, thanks! Our car is the 1SS/RS w/20" wheels...anyone out there have a 10" wide wheel that'll match the factory fronts?
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Old 10-08-2009, 09:42 PM   #4
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i have the Nitto 555 drag radials, 305's on my factory rims for at the track and they work great, 1.7 60' time with a very short burn out,

they fit fine on the stock 9" rim
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Old 10-08-2009, 10:15 PM   #5
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Quote:
Originally Posted by chevy454 View Post
For the stock 20" wheels on our '10, will we need the 275/40R20 or the 305/35R20? I'm assuming the 275??
This is probably a judgement call on your part. The Nittos all run narrow from the factory, so the 305 is really like a 295. However, they are still out of SPEC for a 9inch wheel. Like the other poster said, they WILL fit, and probably not bulge too much. However, they likely will not wear evenly if you spend much time on the road.......so.... if your car is a daily driver, I would NOT go with the 305's. If your car is a garage\weekend car and you want sticky tires that you realize may wear out after 6k miles, go for it......
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Old 10-09-2009, 05:35 AM   #6
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I'm gonna throw them on a spare set of rear wheels (20"), so it sounds like the 305s should be fine...?
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Old 10-09-2009, 06:49 AM   #7
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i drove mine for over 2000 miles with no issues on the factory 9" rims

you will need a tune to correct your speedometer, it will be off 2 mph with the nitto's
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