[HoodCheck]

I think both views have merit, but I think the point vigilante might be trying to make is that the matching tread pattern on front and back helps ensure that all tires are handling conditions the same.
The person saying "when its different sizes"...well, staggered wheel sizes arent uncommon, especially for a camaro.
I stay with matching front and rear, but if I were rolling with a drag setup, then obviously the tires are likely to be different and might call for some extra caution when driving. I've always found that setup to look bad personally, despite understanding the purpose (and better times).

[Z OH 6]

Originally Posted by Vigilante375

I'm sure it's feasible. Practical? No. Safe? No.

I'm sure people like you would be a hazard to everyone else on the road going 15 or 20 under the speed limit in rainy conditions.

People get in accidents every with taking all the precautions that one should take. There isn't 1 person or vehicle that's accident free following the set guide lines but those people and vehicle are less likely to have an accident vs those not.

LOL, OK. Just can't admit you're wrong here. Tirerack is a major tire company, if they said it was ok, its ok. People have been doing it since the dawn of cars.

I'll say this again, people get in accidents every day with 4 matching tires. The driver is more responsible for the prevention of accidents than a matched set of tires.

[mariojas]

Originally Posted by Z OH 6

LOL, OK. Just can't admit you're wrong here. Tirerack is a major tire company, if they said it was ok, its ok. People have been doing it since the dawn of cars.

I'll say this again, people get in accidents every day with 4 matching tires. The driver is more responsible for the prevention of accidents that a matched set of tires.

This.

I am all for having all 4 matching, but don't say mix will kill you.

[Vigilante375]

Originally Posted by Z OH 6

LOL, OK. Just can't admit you're wrong here. Tirerack is a major tire company, if they said it was ok, its ok. People have been doing it since the dawn of cars.

I'll say this again, people get in accidents every day with 4 matching tires. The driver is more responsible for the prevention of accidents that a matched set of tires.

I'm not going to admit I'm wrong. I know I'm not.

If tire rack says, it's because that customer support person doesn't understand that their company can be held liable in a lawsuit for saying its OK to mix tires.

Give this a read from their website......

https://www.google.com/url?sa=t&sour...oYJeETpua4vpZO

I'm done discussing this that shouldn't even be discussed. So what you want but don't complain when you cause an avoidable accident. Accidents are more than 80% human error.

[Joshinator99]

Originally Posted by Z OH 6

LOL, OK. Just can't admit you're wrong here. Tirerack is a major tire company, if they said it was ok, its ok. People have been doing it since the dawn of cars.

I'll say this again, people get in accidents every day with 4 matching tires. The driver is more responsible for the prevention of accidents that a matched set of tires.

The whole mismatched tire thing on a street car is being blown way out of proportion.

[TheElementalCashew]

I ran PS4S on the front and R888Rs on the rear. No issues.

[CNRED]

I gotta say I appreciate the debate.

I will say, after reading all the responses. I most likely will run them with F1's in the front.

Very similar tread pattern with the same traction rating.

Thanks for all the responses.

[NorthGeorgia]

Have had no issue mixing same brand front with different brand rear - but it depends on the application --

For street - generally advisable to keep same tire brand front and rear - if for any reason - the OE tires are typically engineered and optimized for the platform's weight and performance envelope with consideration for compliance, noise, weather, etc. under normal to spirited driving.

For example - was not aware that the tread compound on a Michelin MP4S or SS differs from platform to platform -- for the cambered M3/M4 (F8X) - the OE tire model # has tougher tread on the inner side wall and softer as it approaches the outside. Who knew?

So - what I drive on the street is different than what I track especially if the kids or wife may have the keys. Just ran a combo of MP4S rear with MPSS fronts - similar other than wear rates.

For track - after thousands and thousands of road course track miles and looking at lots of data (g-loads, corner speeds, heat, times, etc) -- for HPDE track lapping or practice where tires only last <6 days - I use what I have and do not have issues mixing tire brands (same brand front- different brand rear). The current crop of DOT legal R compound and <200 TW tires are really good.

- but I know the track, and have good feel for the handling characteristics of each platform at the limit given the weather, tire type and tire age (heat cycles) as it relates to understeer, oversteer, and grip (braking, cornering and exit).

For this level of lapping or practice (mainly track familiarity before a race) running at 7-8/10's - I will mix but try to keep grip (tread wear) and speed ratings similar front to rear and generally like more grip in the rear.

For example, in the dry, Nankang AR1 fronts (100TW) with G3R rears (100TW) work fine. CUP2 (180) fronts with G3R (100) will induce some push at the limits - all like heat in them from 120F-185F which is surprisingly hard to do in cooler temps.

Different approach if driving 10/10's+ chasing a track record or racing where dollars are invested in travel, hotel, car prep and track time, I will normally use as fresh and fast as the budget allows.....

Hope it helps ---

Recent tire experience and how I group them

Track/Dry* [G3R, RR, R7, A7, AR1, MSC2]
Track Enduro/Damp* [AO52, RT660, G3, RS4]
Street/Light Track/Wet [MP4S, MPSS, Apex V601]