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New Edge Cobras
#@($@! bodyroll!!!!! how to stop this?
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<blockquote data-quote="Torch10th" data-source="post: 3108063" data-attributes="member: 15703"><p>Yes tire size, design, compund etc does play a roll in vehicle handling. Not body roll though. Lets take for instance open track tires. Most of them on the market are designed for lighter cars. When you put them on a full weight mustang and co open tracking they tend to roll under the wheel and build excessive heat. This means compromised handling after just a few laps. It doesn't however affect the roll of the body. Body roll is a byproduct of suspension geometry and hardware.</p><p></p><p>If you could get the roll center at or very near the CG of the car you could run low rate springs and no sway bar and still corner flat. The reason mustangs roll so bad is because the roll center is very low. In the case of most lowered mustangs, below ground level.</p><p></p><p>Because you'll never create that situation without a complete redesign of the suspension system people combat the issue by throwing high rate springs and huge sway bars at the car. This creates problems of it's own as well as a decidedly harsh ride.</p><p></p><p>Regardless of what tire you are running on your car the above will not change. Even if you go from a 275/40 to a 255/60 and change the tire heigh. The relationship of the roll cetner to the center of gravity will remain the same thus creating the same amount of body roll. </p><p></p><p>From a handling standpoint I'd put money on a stock mustang with great tires over a typical suspension upgraded mustang with crappy tires. But that's the whole hanlding aspect not just body roll which is what this thread is about.</p></blockquote><p></p>
[QUOTE="Torch10th, post: 3108063, member: 15703"] Yes tire size, design, compund etc does play a roll in vehicle handling. Not body roll though. Lets take for instance open track tires. Most of them on the market are designed for lighter cars. When you put them on a full weight mustang and co open tracking they tend to roll under the wheel and build excessive heat. This means compromised handling after just a few laps. It doesn't however affect the roll of the body. Body roll is a byproduct of suspension geometry and hardware. If you could get the roll center at or very near the CG of the car you could run low rate springs and no sway bar and still corner flat. The reason mustangs roll so bad is because the roll center is very low. In the case of most lowered mustangs, below ground level. Because you'll never create that situation without a complete redesign of the suspension system people combat the issue by throwing high rate springs and huge sway bars at the car. This creates problems of it's own as well as a decidedly harsh ride. Regardless of what tire you are running on your car the above will not change. Even if you go from a 275/40 to a 255/60 and change the tire heigh. The relationship of the roll cetner to the center of gravity will remain the same thus creating the same amount of body roll. From a handling standpoint I'd put money on a stock mustang with great tires over a typical suspension upgraded mustang with crappy tires. But that's the whole hanlding aspect not just body roll which is what this thread is about. [/QUOTE]
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#@($@! bodyroll!!!!! how to stop this?
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