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Old 2009-10-05, 10:54 AM   #16
sperry
The Doink
 
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by cody View Post
They are not functionally identical damnit!

Looks like my RP02's actually weigh closer to 16.5Lb (Source)

RPF1's in 17X8 weigh 15.6Lb (almost a pound less) and they're half an inch wider. (Source)

I don't mind opening it up for discussion though. If y'all think that 245/40/17's will be just fine on a 7.5" wide rim. I'll just keep them and rattle can them like Scott's suggesting.
245's will be a bit wide on a 7.5"... but not really any worse than 255's are on an 8", which work pretty well. My point was that the shoulders of a 245 on either rim should be in the same location if you've got a 3mm spacer on the RP02's, and that the RP02's aren't much different in weight and strength as the RPF1's. Hell, even aesthetically, the RP02's are good looking wheels...

So, I'm not trying to say that the "upgrade" to RPF1's isn't worth it, just that from a pure performance standpoint, the gains will be minor since the RP02's are pretty good wheels performance-wise. But if you like the RPF1's just for looks, or really want that little extra bit of performance, go for it.
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