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Old 07-14-2012, 04:32 PM
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Rod. Rod. is offline
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Join Date: Jul 2007
Location: Saskatoon, SK, Canada
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Re: Tire pressure for 225/45/17

Having read most of the postings on this forum going back years, this has been a long-time debate.

I've got that size tire on STi 17" wheels and have been running them at the OEM recommended pressures. I wasn't sure what else to use, but I didn't like the feel either -- mostly because of the tram lining the tires were doing. They're Bridgestone Potenza RE 070's.

I considered going with the recommended pressures for the STi, but even on those forums, there no consensus, and besides, they're not the same car.

Anyway, as of today, I'm trying 38F and 33R, which is the same ratio as OEM, to see if a stiffer ride feels any better.
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'97 Ebony LSi #426, CDM (1 of 51 in '97), 185k km, rebuilt engine & transfer case; 22mm Bontrager RSB; 4300k HID 9006 bulbs SOLD
'92 Ebony LS-L #6851, USDM (sold)
'08 Forester (wife's)
'06 STi (traded for the Forester)
'94 Legacy wagon (sold)
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