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Originally Posted by Jason18ZL1LE
I recall you saying that the 345s were equal to the width of the 325 SC3R.. what was your overall opinion on the PSC2 in 345 vs the SC3R in 325s? I was there the same day as you but with the factory sizing PSC2 and sliding all over the place. Hated the PSC2 with my power levels in the factory sizing
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Hi Jason, yeah I remember you at ACS--you broke a canard right? The GY SC3R is better than the 315/345 combo of PSC2 for pure grip and lap times. The only advantages of PSC2 are the longevity of the tires and ability to drive on street even in wet weather between track days.
They may not be exactly the same width, a bit wider and taller but close to the 325.
My 345 PSC2s look great after 2 days at ACS and several months of occasional street driving since that event. Also, 305 PSC2 are too narrow on ZLE 11" wheels, they look stretched.
I'll be using PSC2 for the next 2-3 events because I found a great deal on a set of barely used 305 & 315 off a GT350, so I have extra fronts--on ZL1 you need 2 front sets for every set of rears.