Hoosiers R6 Vs Kumho v710
#106
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so far i like kuhmos...drove for 5 yrs street tires, then r888's and nittos for 2, last yr running kuhmos ..dropped 1-2 sec sebring...but i only get 16 hc's i corded inside rears despite flipping tires ...making some alignment adjustments to increase tire wear..i am on my 3rd and 4th set and run the 245 squares / 305's rear as they are closer to stock heights...(wheel and tire) never had the delamination deputydog issue. gonna try hoosiers next...
#107
Rennlist Member
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I bought these last fall and they did not have the 245/35 in a square profile to match the rears. I called Kumho and they said no problem plus Tirerack put me in touch with another guy using the same setup on a 6GT3 and he was happy. I really wanted to go with the 245/35 to get more fender clearance in the front as the car is very low and I had already ripped out a fender liner with the 40 series Nittos....even with 800 lb front springs. Plus I thought the extra rake would help keep the front end down at speed. So far so good at both Chuckwalla and Spring Mountain as I was the fastest street car at both events.
Spring Mountain was running the 2.9 mile configuration which features a bumpy very high speed (130+) chicane. the car was still a bit floaty but not as bad as it was running the climbing S's at VIR with softer springs and the 40 series Nittos. I like the combination using the shorter fronts. Next I'm going to try the Hoosiers so that I can get a 255/35 front to see if the braking improves.
Peter
#108
Race Car
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Blake,
I bought these last fall and they did not have the 245/35 in a square profile to match the rears. I called Kumho and they said no problem plus Tirerack put me in touch with another guy using the same setup on a 6GT3 and he was happy. I really wanted to go with the 245/35 to get more fender clearance in the front as the car is very low and I had already ripped out a fender liner with the 40 series Nittos....even with 800 lb front springs. Plus I thought the extra rake would help keep the front end down at speed. So far so good at both Chuckwalla and Spring Mountain as I was the fastest street car at both events.
Spring Mountain was running the 2.9 mile configuration which features a bumpy very high speed (130+) chicane. the car was still a bit floaty but not as bad as it was running the climbing S's at VIR with softer springs and the 40 series Nittos. I like the combination using the shorter fronts. Next I'm going to try the Hoosiers so that I can get a 255/35 front to see if the braking improves.
Peter
I bought these last fall and they did not have the 245/35 in a square profile to match the rears. I called Kumho and they said no problem plus Tirerack put me in touch with another guy using the same setup on a 6GT3 and he was happy. I really wanted to go with the 245/35 to get more fender clearance in the front as the car is very low and I had already ripped out a fender liner with the 40 series Nittos....even with 800 lb front springs. Plus I thought the extra rake would help keep the front end down at speed. So far so good at both Chuckwalla and Spring Mountain as I was the fastest street car at both events.
Spring Mountain was running the 2.9 mile configuration which features a bumpy very high speed (130+) chicane. the car was still a bit floaty but not as bad as it was running the climbing S's at VIR with softer springs and the 40 series Nittos. I like the combination using the shorter fronts. Next I'm going to try the Hoosiers so that I can get a 255/35 front to see if the braking improves.
Peter
#109
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I think the round up front vs square would be better. If u put the 35 vs 40 together side by side the round is wider ie more contact patch which is good for our cars. Mike
#110
Rennlist Member
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I ran mixed profiles in the kumhos out of necessity. That was all that fit in the 997 fitments. No issues. With that being said, I now have two stacks of hoosiers. Done with K's...
#113
Race Car
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(my cheap *** will still probably just buy Nitto's and go slide around on them all season to keep costs down
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#116
Rennlist Member
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Camber -3.2 front -3 rear toe in rear 0 toe front on stock rim size/offset caster ~ 8. This is driving to/for track. I flipped once and rotate side to side 4 times. 40 psi going to/fro track 30-31 hot on track. Mike
#117
Rennlist Member
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Blake,
I bought these last fall and they did not have the 245/35 in a square profile to match the rears. I called Kumho and they said no problem plus Tirerack put me in touch with another guy using the same setup on a 6GT3 and he was happy. I really wanted to go with the 245/35 to get more fender clearance in the front as the car is very low and I had already ripped out a fender liner with the 40 series Nittos....even with 800 lb front springs. Plus I thought the extra rake would help keep the front end down at speed. So far so good at both Chuckwalla and Spring Mountain as I was the fastest street car at both events.
Spring Mountain was running the 2.9 mile configuration which features a bumpy very high speed (130+) chicane. the car was still a bit floaty but not as bad as it was running the climbing S's at VIR with softer springs and the 40 series Nittos. I like the combination using the shorter fronts. Next I'm going to try the Hoosiers so that I can get a 255/35 front to see if the braking improves.
Peter
I bought these last fall and they did not have the 245/35 in a square profile to match the rears. I called Kumho and they said no problem plus Tirerack put me in touch with another guy using the same setup on a 6GT3 and he was happy. I really wanted to go with the 245/35 to get more fender clearance in the front as the car is very low and I had already ripped out a fender liner with the 40 series Nittos....even with 800 lb front springs. Plus I thought the extra rake would help keep the front end down at speed. So far so good at both Chuckwalla and Spring Mountain as I was the fastest street car at both events.
Spring Mountain was running the 2.9 mile configuration which features a bumpy very high speed (130+) chicane. the car was still a bit floaty but not as bad as it was running the climbing S's at VIR with softer springs and the 40 series Nittos. I like the combination using the shorter fronts. Next I'm going to try the Hoosiers so that I can get a 255/35 front to see if the braking improves.
Peter
Thx
#118
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Camber -3.2 front -3 rear
Toe in rear
0 toe front on stock rim size/offset
caster ~ 8.
This is driving to/for track.
I flipped once and rotate side to side 4 times.
40 psi going to/fro track 30-31 hot on track. Mike
#120
Rennlist Member
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Here is the translation. FWIW, -3 rear toe would be CRAZY. Mike didn't give you the toe-in amount. It's like .13' or so.
Camber -3.2 front -3 rear
Toe in rear
0 toe front on stock rim size/offset
caster ~ 8.
This is driving to/for track.
I flipped once and rotate side to side 4 times.
40 psi going to/fro track 30-31 hot on track. Mike
Camber -3.2 front -3 rear
Toe in rear
0 toe front on stock rim size/offset
caster ~ 8.
This is driving to/for track.
I flipped once and rotate side to side 4 times.
40 psi going to/fro track 30-31 hot on track. Mike
-B