A friend of my has a GT6 - we built a 2.5 litre motor which runs triple
webers and produces around 180bhp - seems to go alright!
If you're set on the V8 route, what might interest you is that we used the
5-speed Rover SD1 gearbox. It needed the flanges on the main chassis rails
trimming back about 10mm (and rewelding!) along with relieving a couple of
ribs on the gearbox. The most awkward bit was shortening the gearlever
remote housing to keep the lever in the right place. I don't know how easily
the Rover clutch housing would have fitted the Triumph body - might have
needed a modified transmission tunnel. In our instance, we made an adapter
plate to fit the GT6 clutch housing onto the Rover 'box, a special spigot
bush and a TR7 clutch plate with a GT6 clutch cover. Last thing was a
special prop-shaft - a GT6 one with a modified Rover UJ on the front end.
Only other question, is the diff. - the Triumph one won't take too much
abuse. The GT6 now has an uprated diff - albeit basically the stock unit.
I have also seen a Herald parked locally that obviously had a V6 or V8 in
it - so it must be possible (the giveaway was that the aircleaner just
peeped through the middle of the bonnet).
Hope this helps
Neil
----- Original Message -----
From: "jim williams" <sportsix63@yahoo.com>
To: <buick-rover-v8@autox.team.net>
Sent: Friday, October 15, 2004 10:20 PM
Subject: New Member Questions
> I'm new to the list.
> I have plans to V-8 a 1970 13/60 Herald Estate. After
> building a 2.0L GT-6 motor for the car I just wasn't
> pleased performance wise. Would someone on the list
> point me in the correct direction. At this time I'm
> interested in just a good solid stock application
> motor. I will need to have some type of 5 speed. I
> only intend to use the car for fun. (always neat to go
> to American car shows with good British power)
> All help will be greatly appreciated.
> Jim
///
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