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Re: TR6 Wheel Offset

To: rgb@exact.com
Subject: Re: TR6 Wheel Offset
From: Bob Lang <LANG@ISIS.MIT.EDU>
Date: Thu, 26 Feb 1998 11:20:23 -0500 (EST)
On Thu, 26 Feb 1998 rgb@exact.com wrote:

[stuff removed]

> Sorry for the errors, I am typing from Rome, Italy, live on the Internet.

As a devoted Triumph enthusiast, shouldn't you be in England?

;-)

Sorry. Sometimes I cannot resist.

> As an aside, anyone know the REAL difference in the Panasport
> DOT approved and "lite" version of the wheels, different alloy's?
> Do the "lite" version have anything etched on the sidewall to make
> using them on the street a problem?  I am talking about
> current production runs, not one of the several older versions
> I have seen.

The real difference is a different alloy, and I'm pretty sure the temper 
is different too.

I believe the castings for the "lights" say "For Racing Use Only". I have 
not seen any of the "newest" ones, but all the old ones def. say "racing 
only".

As for using them on the street - sure. But if you hit a curb or a 
pothole - write off the wheel(s) that hit(s). They like smooth surfaces 
and nothing to "foul" them.

> 215VR65-15 Pilot Michelin would be my choice for the street,
> believe J.K. runs 225VR50-15 for track use only with a
> lowered car.

225/50-15's are about 3 inches overall height lower than the stock tire...
I use 225/55-15's right now, and I have to drive my TR6 up on a 2X4 or use
the scissors jack to get the car high enough to get the real floor jack
under it. 225/45-15's are even - lower almost 4 inches lower than stock. This
translates to lowering the car by 1 inch for the 55's and 1.75 inches for
the 45's.  Hoosier makes a set of "D.O.T." radials in the 225/45-15
size... that translates to around 25% less circumference than the
original. I would not drive the Hoosier DOT radial on the street (even 
though I have), especially the AutoX compound. They wear pretty fast ;-0. 
I know folks that drive the BFG R1's (which JK has suggested in various 
Grassroots Motor Sports articles) on the street and I know a few folks 
that drive the Yoko A008's on the street. They don't last too long - 
maybe 10 to 12K miles, but they stick okay while they still have tread 
and the pavement is dry. If it gets wet - forget it!

I just hooked up to http://www.tirerack.com. 215VR65-15 results in many 
"hits". It looks likes there's a lot of choice if you want V or Z rating. 
All the name brands - Perelli, Michelin, Yoyohama, Dumlop.

There's a lot less in the "hit department" for 225/50-15.

Hmmmm.

> Roger 

See ya in Hudson.
rml
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