[TR] 5 speed conversions

Bob Danielson 75tr6 at tr6.danielsonfamily.org
Thu Dec 15 06:17:04 MST 2011


For a TR6, there's three 5 speed conversion kits out there: HVDA, Eaglegate 
and Dupont. The first two use the Toyota W58 tranny while Dupont uses the T5 
tranny.  Quantum Mechanics and Moss used to offer conversions based on a 
Ford transmission but I don't know if they still do.

I went with Herman's kit (HVDA) because, at the time, he was the only one 
offering a complete drop in, no cutting or mods required conversion. The W58 
was readily available at a fairly cheap price. They've become "harder" to 
find and some folks blame all the people doing the conversion but I think 
it's just the fact that the cars supplying these transmissions are now 30 
years old and most end up getting crushed instead of recycled.

Herman is a great guy to work with, provides a high quality product and 
supports his sales. I documented my complete installation on web site which 
should be helpful to anyone doing this conversion: 
http://tr6.danielsonfamily.org/5Speed.htm

The only downside to the W58 is the cost of a rebuild. The only thing you 
can do to a W58 without a complete teardown is to replace the front and rear 
seals. If it needs bearings or synchros, it's a teardown.

Bob


Bob Danielson
http://tr6.danielsonfamily.org
1975 TR6 with:
Throttle Body Injection
Toyota 5 Speed
Nissan Diff & CVJs



-----Original Message----- 
From: Anthony Cascio
Sent: Wednesday, December 14, 2011 10:04 PM
To: spook01 at comcast.net
Cc: Triumph List ; triumphs-owner at autox.team.net
Subject: Re: [TR] 5 speed conversions

Herman supplied the TR6 cluctch disk in my conversion so a clutch plate is 
not nessesary.
I have the conversion in my 3A and I love it, I would recommend the w-56 
(Celica) transmission, it will give the higher gear ratio.



Tony Cascio
58 TR3A
TS27093L
allegrorover at mac.com
www.triumphowners.com/1489

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