- Member ID
- #2176
- Messages
- 166
- Reactions
- 135
- Likes
- 37
- City
- Haskell
- State
- NJ
- Country
- United States
- Vehicle
- 2016 Challenger Hellcat
I would say a large percentage of people run 305s on the stock wheel. They will also say they're great, no complaints.
But they're kind of math dumb, because the contact patch on the stock wheel maxes out between 275 and 285, so anything wider is 1) not going to ever touch the ground, and 2) cause the car to skate as the patch shifts under traction. So, while they may have no complaints, their butt dyno is lying to them. Most people post reviews on their tires in the first 1,000mi when the tires are still super sticky. Once the new tires break in, their performance should be slightly worse than the OEM tire size (again, skating and reduced down pressure coupled with just a tiny bit more added weight). Of course, you would get better performance with a Michelin PS4S 305 vs. a Pirrelli summer 275, but you'd also get quite a boost on a Michelin PS4S 275 over the Pirrelli. That's only because the part of the Michelin, Nitto, Conti, etc. is better than the Pirrelli. Still not using the whole 305 though, and you end up paying about $300 more for a set of 4 that you won't ever use fully.
To use a 305, you need an 11-11.5" wheel. An 11 is just slightly too small (295 usable traction patch). 11.5 is just right. And, for those who like to disagree, feel free to mount your 305s up, and send us a photo of a tape measure after you do a nice burn out and try and tell me that the contact patch is bigger than 275-285mm on a stock 10" wheel
But they're kind of math dumb, because the contact patch on the stock wheel maxes out between 275 and 285, so anything wider is 1) not going to ever touch the ground, and 2) cause the car to skate as the patch shifts under traction. So, while they may have no complaints, their butt dyno is lying to them. Most people post reviews on their tires in the first 1,000mi when the tires are still super sticky. Once the new tires break in, their performance should be slightly worse than the OEM tire size (again, skating and reduced down pressure coupled with just a tiny bit more added weight). Of course, you would get better performance with a Michelin PS4S 305 vs. a Pirrelli summer 275, but you'd also get quite a boost on a Michelin PS4S 275 over the Pirrelli. That's only because the part of the Michelin, Nitto, Conti, etc. is better than the Pirrelli. Still not using the whole 305 though, and you end up paying about $300 more for a set of 4 that you won't ever use fully.
To use a 305, you need an 11-11.5" wheel. An 11 is just slightly too small (295 usable traction patch). 11.5 is just right. And, for those who like to disagree, feel free to mount your 305s up, and send us a photo of a tape measure after you do a nice burn out and try and tell me that the contact patch is bigger than 275-285mm on a stock 10" wheel
I would like to go back to the OEM wheels to reduce some of the unsprung weight. I’m looking for some feedback on how big of a tire I can run before it becomes counter productive.
anything over 285 on the OEM wheel is useless as you stated. The stock pirellis that came with the car are absolutely worthless if you want to have fun on the streets.
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