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One more thing about the tire sizes on the C8 , wider tires Doesn’t necessarily mean better handling. There’s something to be said about the car being nimble & having agility. One of the Best handling Hyper cars in the world. ( The Mclaren P1 ) has relatively narrow tires ( 245/35 ZR 19 (F); 315/30 ZR 20 (R) ) So please don’t think the ( base ) C8 isn’t going to have OUTSTANDING Handling because it won’t have super-wide tires. Okay I’m off my soap-box haha ,
I agree it does not need wider tires, i was saying the same thing the other day myself, they might be too wide in the rear and cause the car to push too much for my liking.
Suspension geometry being on point?... time will tell
But, Porsche used 335 width tires on the wide body Carrara for a reason!
The Ford GT uses 325 width rear tires for a reason.
Then there is the 729 hp Lambo as you point out and the Bugatti with 355 section width tires that are still NOT as wide as many race cars!
In fact, some available street and race car tires make the 420 section width Mickey Thompson's I have on my Street Rod look skinny!
Sure with more weight in the rear it may not be needed for most cornering or handling but certainly off the line 305's will be the limiting factor! Even my street rod with 53% of it's weight on it's rear wheels, an adjustable 4 bar link suspension and adjustable coilovers to load the right rear- with the high torque from the 502 cid engine, even with "sticky" Mickey Thomsons, it's still traction limited!
The GS and Z06 versions of the C8 will probably have wider tires! Some of it is perception and marketing!
It's not the successor as OEM on Corvettes until they announce a ZP version, which to my knowledge hasn't happened yet. Moreover, we had an experienced track member do testing of both the PSS ZP and the PS4S non-ZP, with the PSS producing better lap times.
Put Michelin Sport Cups on Corolla and it’s not going to make much of a difference. It’s About the WHOLE package, Tires/ Suspension/ Chassis etc.
Sure they will, compared to that same car running some all-season fuel saver tires.
Originally Posted by elegant
Most ME’s have a 305 rear tire (exception the almost 4,000 pounds Lambo V12’s). Nothing anemic about that size.
I would actually argue that if there isn't a specific need to go to a bigger size, it may be smarter to keep it there with a bunch of similar cars with the same size. I owned a car with a one-off tire size in the past, finding any variety of tires in that size was useless, one had to go to a non-stock size if they wanted any choice besides OEM.
Sure they will, compared to that same car running some all-season fuel saver tires.
I would actually argue that if there isn't a specific need to go to a bigger size, it may be smarter to keep it there with a bunch of similar cars with the same size. I owned a car with a one-off tire size in the past, finding any variety of tires in that size was useless, one had to go to a non-stock size if they wanted any choice besides OEM.
Will be interesting to see what they do. As I said from a marketing viewpoint versus a pure technical one "perception is reality!" For those that would like a wider than 305 section width tire it's a good idea for the purist who say it's not needed they probably won't care if they are wider! That assumes GM makes the suspension tweaks to make wider ones work. Also no need to have an oddball, the 325 used on the Ford GT or even the current GS/Z06 335 could be used.
From experience, the Grand Sport with the same hp engine as my Z51 is better with the 335 versus 285 rear tires. My '67 Corvair handled better with Plus1 14 inch wheels and wider low profile Continental 714's. So did my Dodge Colt Turbo with wider 14 inch wheels and Pirelli's versus the OEM 13s! Ordered the Plus 1 wheel option with my 1st Vette a 1988. For some folks it's important!
Yep had looked that up some time ago!
