Cam tires

thewelder · Post by **thewelder** » Tue Jan 17, 2017 9:45 pm

A friend has a 680whp mustang and is looking for a sticky street tire. Doesn't care about wear. But needs to work on a heavy high horsepower car. Thanks.

Post by **thrdeye** » Tue Jan 17, 2017 10:05 pm

Rival S is the go to. What size?

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jcoatney · Post by **jcoatney** » Tue Jan 17, 2017 10:29 pm

If he's not auto crossing I would try a drag radial. No street tire will hook up with that much HP. If he needs 200 TW then I would say Rival S. I need to make sure I can get 315's on my 12" wheels and if so I am going to sell two 335/30/18 Rival S and go back to a square setup on my car. They only have 4 or 5 events on them. PM me if interested.

jcox07 · Post by **jcox07** » Wed Jan 18, 2017 4:42 am

I think a 12 inch rim will be too wide for a 315 rival s, some tires don't like to be stretched. I do think the rival s is one of those tires, but it is not like the A-7 335 where it likes to be just a little pinched, at least it works better on my car a little pinched than on a really wide rim.

thewelder · Post by **thewelder** » Wed Jan 18, 2017 5:44 am

285 40 18 Front and a 305 40 18. That is the sizes he is thinking of now.

thewelder · Post by **thewelder** » Wed Jan 18, 2017 6:13 am

He also wants to autocross some this year.

jcox07 · Post by **jcox07** » Wed Jan 18, 2017 6:19 am

What size rims does he have?

jcoatney · Post by **jcoatney** » Wed Jan 18, 2017 9:28 am

I would highly recommended a square setup. I've had 4 sets of tires on my Mustang and it was best on 275 Bridgestones all the way around. The other 3 sets were staggered and the car pushes really bad.

thewelder · Post by **thewelder** » Wed Jan 18, 2017 9:30 am

He runs a 9.5 rim. So he can't run 335.

John Brown · Post by **John Brown** » Wed Jan 18, 2017 9:52 am

sounds like he's under rim and tired for 300HP..

not a fun experience in the future!

jcox07 · Post by **jcox07** » Wed Jan 18, 2017 10:08 am

I would go with a 285-35-18 re-71r if it was me.

jcoatney · Post by **jcoatney** » Wed Jan 18, 2017 11:49 am

John Brown wrote:sounds like he's under rim and tired for 300HP..

not a fun experience in the future!

Yeah, that's just going to be frustrating to try and go fast. I would do the 275 or 285 Bridgestone for that size wheel all the way around.

Challenger · Post by **Challenger** » Wed Jan 18, 2017 12:21 pm

John Brown wrote:sounds like he's under rim and tired for 300HP..

not a fun experience in the future!

Been there...done that [emoji38]

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jcox07 · Post by **jcox07** » Wed Jan 18, 2017 12:26 pm

Not fun either is it Steve!!!!!

Challenger · Post by **Challenger** » Wed Jan 18, 2017 12:34 pm

Nope.....they were cause for several f bomb drops....lol

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East Tennessee Region SCCA

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