[6pack] Different Toyota Brake upgrade???

[n197tr4 at cs.com]

interesting information on crossovers and upgrades...good stuff.

another example

we use a tr7 clutch disc in our close ratio conversion on the TR4.

after destroying a short time disc at blackhawk farms, i found out that a ford
disc will cross reference

of course it wont make any difference if they are of equal durability.

joe a




-----Original Message-----
From: Hugh Barber <tr6nut at verizon.net>
To: Jim Hurley <jimhurle at gmail.com>
Cc: 6pack at autox.team.net
Sent: Wed, Nov 11, 2009 5:20 pm
Subject: Re: [6pack] Different Toyota Brake upgrade???


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I have these rotors on my TR6 (I'm the one referenced in the outdated link in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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