Looking at getting non directional slicks - GSXR.com
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  • 2 Post By tigerblade
  • 1 Post By JETMECHANIC
  • 1 Post By MadeInAmerica
 
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post #1 of 10 (permalink) Old 05-17-2017, 12:19 PM Thread Starter
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Looking at getting non directional slicks

Most tracks near me are dominantly left hand tracks. I cant reverse my DOTs.
What do you guys think about the Dunlop 448/449's?
Or do you recommend a better slick.

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post #2 of 10 (permalink) Old 05-18-2017, 07:11 AM
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I've been a Michelin guy mostly (love the new Power Cup Evos). My only experience with slicks are Pirelli. What DOTs are you running now? You've talked to the tire guy to make sure you can't flip?

There is a grey blur, and a green blur. I try to stay on the grey one. -Joey Dunlop
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post #3 of 10 (permalink) Old 05-18-2017, 08:09 AM Thread Starter
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Quote:
Originally Posted by tigerblade View Post
I've been a Michelin guy mostly (love the new Power Cup Evos). My only experience with slicks are Pirelli. What DOTs are you running now? You've talked to the tire guy to make sure you can't flip?
Generally if it's DOT and has directional arrow, it's deemed unsafe due to chord placement for that direction.

The Dunlops are 188.00 each. I want good, but as affordable as possible.
A guy at the track last week had them on a 1000rr. Said he flips the rear after 2nd track day, gets about 5 TDs on each rear.

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post #4 of 10 (permalink) Old 05-18-2017, 09:06 AM
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Quote:
Originally Posted by Racerxxxgsxr1000 View Post
Most tracks near me are dominantly left hand tracks. I cant reverse my DOTs.
What do you guys think about the Dunlop 448/449's?
Or do you recommend a better slick.
I run them very predictable they will not let you down I run 33 hot in the front and 19 rear hot Dunlop guy recommended those pressures. I like them very much
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post #5 of 10 (permalink) Old 05-18-2017, 12:01 PM Thread Starter
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Quote:
Originally Posted by JETMECHANIC View Post
I run them very predictable they will not let you down I run 33 hot in the front and 19 rear hot Dunlop guy recommended those pressures. I like them very much
19 rear hot? Wow that seems crazy, guess they're more stout in the rear.

Next paycheck I'm going to get a set. Since the next TD is June 3rd, I grabbed another RS10 but a 190 instead of 180. Front is still looking good.
Thanks Tiger and Jet.

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post #6 of 10 (permalink) Old 05-18-2017, 12:21 PM
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I thought DOTs were directional because the sipes only worked in that direction and reversal on wet surfaces would push water under the tire instead of away.
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post #7 of 10 (permalink) Old 05-18-2017, 12:55 PM Thread Starter
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Originally Posted by Chuckster View Post
I thought DOTs were directional because the sipes only worked in that direction and reversal on wet surfaces would push water under the tire instead of away.
I heard it years ago at shops but did find some info pretty quick that seems to support the info

3. A directional type pneumatic tire comprising
a tire carcass having beads and a crown area and a tire tread on the tire carcass and wherein said carcass includes a plurality of confluent ply assemblies and said carcass is comprised of a like number of said confluent ply assemblies which are inclined in opposite rotary (or circumferential) directions of the tire and all cords in said confluent ply assemblies are positioned at a specific bias angle to a radial line at the center of the crown area of the carcass, all of said cords being positioned at a uniform bias angle and wherein the cords in the confluent ply assemblies which are inclined in one rotary direction have lesser strength than the cords in the confluent ply assemblies that are inclined in the opposite rotary direction.

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post #8 of 10 (permalink) Old 05-18-2017, 01:00 PM
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I think it can be both reasons which is why I recommend talking to the tire guy at the track. Though DOTs will have a directional arrow for the sipes' water-dispensing function, I'm pretty sure some can be safely flipped, assuming the cord bias allows it.

I may be talking out of my a$$ but the tire guys know.

There is a grey blur, and a green blur. I try to stay on the grey one. -Joey Dunlop
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post #9 of 10 (permalink) Old 05-19-2017, 06:14 AM
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I could see the front having stronger cords to handle braking forces, and the rear to handle acceleration forces. The engineering of it makes sense.
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post #10 of 10 (permalink) Old 05-19-2017, 08:22 PM
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I'm going to be trying the Dunlop 448/451 next time around. The 451 is the newest Dunlop rear slick. I have heard they are better than the UK. Sucks Dunlop prices recently went up like $20 a set.

I have been running the Michelin Power Slick Evo. They are a good tire, but I only get like 2-3 days out of a rear. The Michelin tire rep said don't flip their slicks. Dunlop and Michelin both have a harder carcass compared to Pirelli and Bridgestone.

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Last edited by MadeInAmerica; 05-19-2017 at 08:24 PM.
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