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Cobra Forums
2020+ Shelby GT500 Mustang
10.8@127mph - 4200lbs race weight
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<blockquote data-quote="tt335ci03cobra" data-source="post: 16125439" data-attributes="member: 68944"><p>Tire compound, sidewall stiffness and tread design dictate most of how a car will perform.</p><p></p><p>Put slicks on most of the big name muscle cars from the 60’s/70’s and you have mid 12 second cars.</p><p></p><p>Put a wide square handling tire and wheel on them and they are 10+ seconds faster around road courses. Those cars had 7.75” wheels and 215-245 wide crappy street rubber factory. Throw a square 275 track tire on basically any car with about 400hp and some semblance of a chassis and it’ll shame a street tire car on the same track.</p><p></p><p>Physics. Tire is the final word. Put a skyline gtr on 500tw tires and it ain’t doin shit for lap time compared to a stock mustang gt performance pack 1 if that mustang is on a slick or the street slick it has stock.</p><p></p><p>Take a 911 gt3rs and throw 500tw all seasons on it and you’ll hate it.</p><p></p><p>You can have all the downforce and rigidity in the chassis you want, no tire will mean it’s slow. </p><p></p><p>Putting a tire on a wallowing car is still going to make it much faster than fixing the chassis. It’s best to learn and hone a car on average to grippy street tires and then fine tune it for a sticky tire to get a great balance. </p><p></p><p>Porsche and now more and more manufactures build an incredible car then fine tune it on a grippier tire but they complement it by tweaking it to play smoothly and fun on the given tire. Just switching up tire can dramatically change balance.</p></blockquote><p></p>
[QUOTE="tt335ci03cobra, post: 16125439, member: 68944"] Tire compound, sidewall stiffness and tread design dictate most of how a car will perform. Put slicks on most of the big name muscle cars from the 60’s/70’s and you have mid 12 second cars. Put a wide square handling tire and wheel on them and they are 10+ seconds faster around road courses. Those cars had 7.75” wheels and 215-245 wide crappy street rubber factory. Throw a square 275 track tire on basically any car with about 400hp and some semblance of a chassis and it’ll shame a street tire car on the same track. Physics. Tire is the final word. Put a skyline gtr on 500tw tires and it ain’t doin shit for lap time compared to a stock mustang gt performance pack 1 if that mustang is on a slick or the street slick it has stock. Take a 911 gt3rs and throw 500tw all seasons on it and you’ll hate it. You can have all the downforce and rigidity in the chassis you want, no tire will mean it’s slow. Putting a tire on a wallowing car is still going to make it much faster than fixing the chassis. It’s best to learn and hone a car on average to grippy street tires and then fine tune it for a sticky tire to get a great balance. Porsche and now more and more manufactures build an incredible car then fine tune it on a grippier tire but they complement it by tweaking it to play smoothly and fun on the given tire. Just switching up tire can dramatically change balance. [/QUOTE]
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2020+ Shelby GT500 Mustang
10.8@127mph - 4200lbs race weight
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