Pat :
The bolt-on ring gear would be from a post-50000 TR3A through the end of TR4.
If memory serves, you can have that flywheel drilled to take the diaphragm
type clutch. You will also need a different throw-out bearing and sleeve, and
the later transmission nose piece (or you can cut off the early one).
The post-TS50000 starter should also work OK.
I don't know how much machining it would take to use a TR6 flywheel on a TR3,
but it would be substantial. You'd also have to either find an early starter,
or machine the block, so you could use a TR6 starter with it.
TR4 used the same flywheel as post-50000 TR3 (the one you have), while the TR4A
had a unique flywheel, not shared with any other TR (AFAIK). There were also
(at least) two different varieties of flywheels used on the TR6. I believe the
TR5/250 flywheel was the same as an early '6, but I'm not sure. But, all of
the 6 cylinder engines have a different size flange on the crankshaft, so none
of the flywheels interchange between 4 and 6 cylinders.
Post-50000 through the end of TR4A had a starter that engaged from the
transmission side of the flywheel, while pre-50000 TR2/3/A and TR5/250/6, had
a starter that engaged from the engine side of the flywheel. They can be
mixed, but the results are not pretty.
Hope this helps
Randall
On Wednesday, November 29, 2000 5:19 PM, Pat [SMTP:pleask@mailhost.wlc.com]
wrote:
>
> A fellow TR3 buff and I are told that we can use a TR4/6 "Finger" style
> clutch rather than the TR3 "Pressure" clutch.
>
> We have the Flywheel that has the bolted on ring gear, 90 teeth if memory
> serves. Can we use the "Finger" style clutch from a TR4A or TR6 with this
> flywheel ?
>
> Do we need the TR6 flywheel or what ?
>
> Is there a problem with the teeth on the TR4/6 flywheel and the TR3 Starter
> ?
>
> Thanks all.
>
> Pat
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