Hi Andy,
I ran a TR gearbox in my GT6 street car for quite a few years. The gear
ratios aren't as sweet as the GT6 box, but it's a nice stout piece. The
TR6 rear plate is what you need. I'd stick with the GT6 flywheel though,
it's lighter than the TR flywheel. They use the same pressure plate, so no
worries, just use a TR6 clutch disc. You will need to make a custom pilot
bushing.
Jason Sukey
On Jan 8, 2017 12:18 AM, "Andrew Packard via Fot" <fot at autox.team.net>
wrote:
Hello from Bay Area:
We have finally restarted our TR4 24 hours of Lemons race car project.
Initially we were going to use a rotary drive train from an RX7, but have
since abandoned that and returned to a Triumph drive train. Thanks to Jeff
Durant, we now have a GT6+ engine. We have a 4 speed TR6 tranny to start,
but after a test fitting on the GT6+ engine it's a close but not quite a
fit. The main concern is that the starter mounting area does not match up.
What are the options for this combo? Do we need to use TR6 flywheel and
rear engine plate to make this pairing work? Have other used this? What
alterations/combos are required to make this work?
Second question:
I do not see two row timing chain and sprockets for sale for the GT6+. Are
the TR250/TR6 components compatible?
Thanks for the support of the group as we work through our issues to get a
100% Triumph powered TR4 on the track!
Andy Packard
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