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Section : Engine
Posted By : Colin Lindsay, 21-Oct-2004,
08:56pm
Having banjaxed two gearboxes now by trying to fit them to my GT6 Mk1 engine - formerly Triumph 2000 Mk1 - I know that something is preventing the engine
and bellhousing from joining properly unless half an inch is planed off the gearbox input shaft. I've discovered by dint of dismantling the whole damn
thing and comparing it to a scrap Mk2 engine lying behind my garage that firstly, the flywheel is enormous!! Far bigger than the GT6 model, and secondly -
the crankshaft protrudes about an inch farther out of the engine backplate than the GT6 one. The photo shows the GT6 crank and how far it protrudes back.
This would explain the fact that it keeps eating gearbox input shafts - I think... I had thought all 2.0 litre cranks were the same, and thus since all
gearboxes were outwardly the same it shouldn't make any difference to the length of the tip. Can anyone confirm this?
2000 crank - different from GT6?
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Posted By : William Davies, 21-Oct-2004,
10:30pm
Hi Colin,
What's the engine number of the 2000 Mk1 unit? As well as a different flywheel the crankshaft was different between the 2000 and the GT6/Vitesse. There
was additionally a change point at KC5000 on the GT6, which is reflected in the contemporary 2000, with a number of major engine components being
changed simultaneoulsy.
Are you subscribed to any of the groups John Kiping contributes to? If anyone is going to know the details, John will,
Cheers,
Bill.
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Posted By : Graham Reeks,
22-Oct-2004, 08:48am
Colin,
This sounds to me like the problem that Doug Foreman recently had ... whilst trying to fit the 2000 engine to his GT6 mk3 the weekend before the
Round Britain Reliability Run. He swiped an Acclaim of e-bay in the end to make it.
I'm afraid I don't really know the details of it, but hopefully Tim Bancroft (who diagnosed the issue) or Doug himself will spot this thread and
explain.
Good luck.