[Fot] Race tire poll

[Bill Babcock]

What are the Hoosier Street TD's? I assume they are not the same as  
the bias ply Vintage TD's

I've managed to get the Speedsters to work well, but they require  
careful set up. They do not set up like true radials, not sure why.  
Anything past 1.5 degrees of camber and you start losing time-- on my  
car anyway. But they need that 1.5 degrees for sure.  Zero to 1  
degrees of caster like bias plies doesn't work at all either.

They also need careful tire pressure adjustment. There is at least a  
half second per minute in the right pressure--two pounds makes a big  
difference.


On Jul 13, 2009, at 3:34 PM, Bob Adams wrote:

> The fastest R-DOT's in a 205/50/15 size are the Hoosier R6's and  
> Goodyear
> Eagle RS-TL's. The V710's are just a tick behind those two.
>
> As far as speed differential is concerned, the Nitto NT-01, Toyo  
> Ra1, R888,
> and Kumho V700 are ~ .4 to.5 sec. slower / per minute. Most claim the
> Hoosier Street TD is on par with these tires, but if you're fast,  
> don't
> expect them to last more than two race weekend.
>
> Tires like the Hoosier Speedster and Yokohama A048's are even  
> slower, but
> they both wear like iron.
>
> If you're looking for a great, cheap, decently quick, and long last  
> tiring
> go with the Nitto NT01. They're the same compound and design as the  
> RA1's
> but they are molded to 6/32 and have larger tread blocks. They only  
> cost
> $136 or so.
>
> Hope this helps,
>
> Bob
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