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Old 08-18-2025, 09:09 AM   #13
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Drives: 2021 ZLE, C5 Z06 6.0L Procharged
Join Date: Mar 2023
Location: South Carolina
Posts: 578
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Quote:
Originally Posted by NG329 View Post
I've been running Conti Extreme Contact Forces and they are absolutely terrible with a capital F'n T.

First, a 200tw tire they lack outright grip.

Second, they transmit bumps straight through the carcass of the tire. With the Multimatics of the 1LE combined with the lack of compliance in the tire, the car becomes a pogo stick.

Third, the sidewalls are EXTREMELY SOFT! I drove right off the edge of the front tire at a track day coming in at 32-34psi hot. Absolutely unacceptable.

I thought I was getting a great deal given how cheap these were but they are pure and utter trash for anyone lapping at the faster end. I wish I could give them away and get some money back but they are finally starting to show their age.

The ONLY thing good about these is that they seem to last forever. Great for novice and intermediates at the slower end. These should not be considered an endurance race tire. They are straight trash. And they are "W" rated as opposed to "Y" rated. They are rated for 168mph max and they chatter like crazy at anything over 140mph. The Yokohama Advan Apex V601 has a "Y" rating and those are a 300tw street tire that can be had for $1,200/set. I hit 170mph on those and the car felt planted. A much better tire overall.

Stopping was horrendous on the ECF with ABS constantly kicking in along with ICE mode. In a couple of places there are baby chunks of rubber missing. An expensive lesson. Never again.
The tires look horrible!! What are your alignment specs as I see the inside of the tire was not taxed from your photos as much as the outside.
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