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Corvette
C7 Forum
c7 Rims, anyone know of class action lawsuits in canada?
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<blockquote data-quote="SladeX" data-source="post: 209905" data-attributes="member: 5972"><p>The wide body rims are vulnerable for a multitude of reasons:</p><p></p><p>-First is overall size. We run 19 x 10 in the front, and 20 x 12 in in the back. There is very little sidewall to absorb an impact. (ZR1 is 19x 10.5 in front)</p><p>-Widebody cars are heavy. The lightest widebody is 3500 lbs.</p><p>-The cars come with negative camber, puts more emphasis on the inner barrel of the rim</p><p>-The suspension is stiffer, running sport or track mode just makes it worse on the rim</p><p>-The runflats we use are stiff on the INSIDE portion of the tire</p><p>-The rims are rotary forged. Rim is cast, then the barrel is spun and shaped and elongated. Depending on the quality of the initial casting and the heat treatments afterwards and the extreme width of the barrel, the material making it to the inner portion may not be strong enough to absorb a lot of impact force.</p><p></p><p>When you factor in all these aspects, consider the road conditions (cracks, expansion joints, road upheavals, manhole covers, train tracks etc), the sheer number of wide body cars ( ~80k made from 2015-2019), the odds of bent or cracked rims make sense.</p><p></p><p>Do other 19+ inch rims bend or crack? Yes. A coworkers Type R has a bent rim from some construction he hit. (no other cars that day bent a rim...) Other makes and models are not immune. Just gotta hit something at the right angle and force and it will happen.</p><p></p><p>The risk is high for you to experience bent rims, but the chances of not bending a rim are just as high. It all comes down to your driving habits, roads etc.</p><p></p><p>The damage for most wide body corvettes seem to be what are known as fatigue cracks. Rather than 1 strong impact, weaker impacts to the same area over and over will "bend" the rim. Since the inner barrel is "forged" albeit incorrectly termed, it does fail like a forged rim will over time given similar conditions. This is witnessed as multiple cracks per rim. It just keeps "flexing" until weak areas give.</p></blockquote><p></p>
[QUOTE="SladeX, post: 209905, member: 5972"] The wide body rims are vulnerable for a multitude of reasons: -First is overall size. We run 19 x 10 in the front, and 20 x 12 in in the back. There is very little sidewall to absorb an impact. (ZR1 is 19x 10.5 in front) -Widebody cars are heavy. The lightest widebody is 3500 lbs. -The cars come with negative camber, puts more emphasis on the inner barrel of the rim -The suspension is stiffer, running sport or track mode just makes it worse on the rim -The runflats we use are stiff on the INSIDE portion of the tire -The rims are rotary forged. Rim is cast, then the barrel is spun and shaped and elongated. Depending on the quality of the initial casting and the heat treatments afterwards and the extreme width of the barrel, the material making it to the inner portion may not be strong enough to absorb a lot of impact force. When you factor in all these aspects, consider the road conditions (cracks, expansion joints, road upheavals, manhole covers, train tracks etc), the sheer number of wide body cars ( ~80k made from 2015-2019), the odds of bent or cracked rims make sense. Do other 19+ inch rims bend or crack? Yes. A coworkers Type R has a bent rim from some construction he hit. (no other cars that day bent a rim...) Other makes and models are not immune. Just gotta hit something at the right angle and force and it will happen. The risk is high for you to experience bent rims, but the chances of not bending a rim are just as high. It all comes down to your driving habits, roads etc. The damage for most wide body corvettes seem to be what are known as fatigue cracks. Rather than 1 strong impact, weaker impacts to the same area over and over will "bend" the rim. Since the inner barrel is "forged" albeit incorrectly termed, it does fail like a forged rim will over time given similar conditions. This is witnessed as multiple cracks per rim. It just keeps "flexing" until weak areas give. [/QUOTE]
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C7 Forum
c7 Rims, anyone know of class action lawsuits in canada?
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