[Shotimes] Tire Siping

[Carl Prochilo]

Good point, I should have clarified that my conversation with
Discount Tire was for an application of a high performance summer
tire to be used here in South Florida.  If you were worried about
driving in snow or dirt, forget this note.
-- 
Cheers,
Carl Prochilo
1992 Ultra Red Crimson

Donald Mallinson said:
> Carl,
>
> Just to be sure, I think the original comment was about
> putting the sipes (cuts) in a tire for traction in summer?
> If so, then more cuts, grooves etc is bad for both traction
> and heat.
>
> Then when you start adding in the realities of street
> driving...rain, snow ice, then the rules change.
>
> For standing water, more fairly big grooves is a good thing.
>
> Then for snow, ice, you want LOTS of small sipes, grooves
> and a squirmy tread is actually a good thing.  The tread
> movement allows the tread to throw off packing in snow/ice,
> and more edges equal better traction.
>
> As with anything, life is a series of compromises.  Only on
> a totally dry day at a smooth race track is a slick good,
> then the compromises start!  :)
>
> Don Mallinson
>
> Carl Prochilo wrote:
>> Ken,  I heard the same thing when I was in chat session with one
>> of
>> the people at Discount Tire.  The more grooves in the tire, the
>> less
>> structural strength you have in the tread, the less traction you
>> have.
>>
>> So the correct answer is buy the tire right the first time.
>>
>> BTW, these Nitto NT 555s are pretty neat.  I haven't fully tested
>> the limits of adherence with the new setup, but yesterday when I
>> was
>> coming back from Miami with my family in the car, I did one of the
>> off-ramps at 60 MPH and the car felt really planted and secure.
>> Like someone said, "on rails".  I like.
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