Jim,
I have these rotors on my TR6 (I'm the one referenced in the outdated
link in your other email). I did not originate the idea - its
referenced in one of Kas Kasner's TR books. I don't think it will give
you any greater stopping distance than the non-vented Toyota caliper
conversion (there's some dispute whether its any better than the stock
TR caliper). It will, however, give you greater ability to stop
repeatedly without fade under racing conditions - which is why I did the
conversion. I eventually did away with the Toyota calipers and
installed stock calipers with a spacer between the two halves of the
caliper (our Girling caliper is the same "type" as used by a British
Ford Capri and vented conversions are popular for those cars, so you can
use the same spacer on our calipers), but that's a story for another
post. Bottom line, its cheap (I can get rotors and get the machining
done for the same or less than the stock TR rotor) and it works.
Hugh Barber
'73 TR6
Stafford, VA
Jim Hurley wrote:
> Hello,
>
> A lot of folks are familiar with the usage of 4-pot calipers from Toyota
> pickup trucks to upgrade the front TR6 brakes. However I recently found a
> link on a TVR site that said one could use rotors for a 1988 Toyota Cresida
> in conjunction with US-spec 1988 4-cylinder Toyota 4-runner calipers. The
> advantage of this setup is that the brake rotor is larger and is vented!!!
> The only downside is that the rotor hole needs to be opened up a bit.
>
> Does anyone have any experience with this conversion?
>
> J
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