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Old 04-21-2021, 06:30 PM   #11
Mountain

 
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Drives: 2017 SS 1LE, 2016 1SS (previous)
Join Date: Apr 2016
Location: Metro-Detroit
Posts: 1,863
Quote:
Originally Posted by MatthewAMEL View Post
Really weird sizes in 19". Almost like they didn't look at the most popular fitment sizes for the target group. 295/315/325/345? But no 305?
Honestly, sure, at first I think it *looks* weird, but I think they made a very smart move.

Here's why: Everyone seems to do a 305, but that size ends up being a compromise more times than not on many performance-oriented cars, and most of the companies that do a 305 usually don't have other tire size options like a 295 or 285. Usually... A lot of cars that run wide front wheels have a 10.5", 10" or 9.5" up front. A lot of track-oriented cars have 10" or 9.5" rear wheels. A 305 fits fine on a 10.5", a bit questionable on a 10" and not so great on a 9.5". A 295 fits fine on a 10.5", OK on a 10" and a bit questionable on a 9.5".

Going with a 295 over a 305, if you have to pick one, you kinda fill more gaps than potentially leave. There isn't going to be a huge loss in grip 305 vs 295, but there is something to be gained in tire fitment with the 295.

295/315 will be a combo for the SS 1LE, PP2/Mach 1/GT350 crowd that will be just as good as 305 square or 305/315 and potentially be a better combo for steering feel, tire stability [on the wheel] and align better with the OE dynamic calibrations. For the cars limited to a 10" or 9.5" rear wheel (BMW or Porsche) 265/295. 265/295/315/325/345 are all size that fit Corvette, Camaro ZL1, GT500, Vipers...

Last edited by Mountain; 04-21-2021 at 06:51 PM.
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