Will PS2 275 fit on stock wheel the same as 275 RE-01R?
03-02-2008, 03:34 PM
#5
here you go......
265 in a 35 aspect ratio probably won't clear the inner upper front suspension components. The is barely 1/4" clearance with the stock tires. In a 30 aspect ratio, the rolling diameter will be way off and you are now talking very little sidewall. No real downside to going to a 275/30 set-up other than the fact that your rolling diameter will be off just a little. However, since the RS4 speedometer reads high by about 2-3 mph, reducing the rolling diameter of the tire/wheel may then give you an accurate speed reading. Depending on the tire, you may gain a pound of weight, and they are a bitch to get onto a 9" wheel so make sure you go somewhere where they really know what they are doing. In all reality, though, a good 255 tire is more than enough.
03-02-2008, 03:40 PM
#7
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Thanks Vijay!
Much appreciated. I'll stick with the 275/30s. Just figured I'd try out the PS2 this time round. Love the RE-01R, just want to see how noticeable losing extra unsprung weight will be. From what I recall there is about a 5 lb. difference.
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03-04-2008, 03:41 PM
#10
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Dunno about that Vijay
"No real downside going with 275/30?"
A few downsides of going wider are:
- increased cost
- increased rolling resistance
- increased noise
- descreased aeorodynamics (due to increased frontal area)
- increased unsprung weight resulting in more wear & tear on suspension components and less ability to quickly adjust to road irregualities
- increased weight resulting in increased flywheel effect which means decreased acceleration
-uneven tread wear (center wears out) if a wider wheel is not used
- stupid-looking sidewall appearance if a wider wheeel is not used.
Personnally I don't like wide tires - been there, done that FAR too many times. Unless, of course, traction is an issue and you're willing to sacrifice the above for a little more grip in the corners at the track. Car surely doesn't need any more grip in the straight-line.
Gawd, I'm sounding more like Dave these days!
A few downsides of going wider are:
- increased cost
- increased rolling resistance
- increased noise
- descreased aeorodynamics (due to increased frontal area)
- increased unsprung weight resulting in more wear & tear on suspension components and less ability to quickly adjust to road irregualities
- increased weight resulting in increased flywheel effect which means decreased acceleration
-uneven tread wear (center wears out) if a wider wheel is not used
- stupid-looking sidewall appearance if a wider wheeel is not used.
Personnally I don't like wide tires - been there, done that FAR too many times. Unless, of course, traction is an issue and you're willing to sacrifice the above for a little more grip in the corners at the track. Car surely doesn't need any more grip in the straight-line.
Gawd, I'm sounding more like Dave these days!
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