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  • Legacy Donating Member
  • Member For: 15y 7m 28d
Posted

The Clutch is a RPM twin plate.

After you fit the new gearbox make sure the slip yoke and the tailshaft are in line. I needed to drop the centre of the tailshaft 22mm using spacers I made from some solid alloy rectangle bar. The output shaft of the new gearbox sits around 20mm lower than the T5Z.

You could do it in a weekend if all goes well. It took me hours to get the old slipyoke of the tail shaft. I asked questions and waited for answers on a few things so this dragged it out over a couple of weeks.

Its worth doing. Its a different car to drive,

Let me know if you need any information on doing the conversion.

Greg

  • Member
  • Member For: 20y 3m 6d
  • Gender: Male
  • Location: Gold Coast, Qld
Posted

All the factory turbo's with the T56 have 3.73's...

I just remembered that Greg has a TR-6060 and they do have different ratios to BA/BF T56's.

In the long run, 3.73's would be a good choice. Make sure you don't use 5th unless you are doing 80km/h at a minimum on a flat road, and 6th only at 100+. If the car is labouring, go back a gear.

All going well, we do this conversion at work in about 5 hours.

  • Legacy Donating Member
  • Member For: 15y 7m 28d
Posted

Thank,

Paul did say to make sure the car was not labouring in 5th and 6th. I will be rebushing the rear end in the next 6 months so I will look into changing the diff to 3.73 at the same time.

Greg

  • Like 1
  • Legacy Donating Member
  • Member For: 17y 5m 29d
Posted

I think you'll find the rattle is coming from the TR6060. If you disengage the clutch does the rattle go away? If so it isn't the clutch, apparently the Lay shaft in the TR6060 makes the noise, mine has from pretty much day dot.

  • Member
  • Member For: 20y 3m 6d
  • Gender: Male
  • Location: Gold Coast, Qld
Posted

I think you'll find the rattle is coming from the TR6060. If you disengage the clutch does the rattle go away? If so it isn't the clutch, apparently the Lay shaft in the TR6060 makes the noise, mine has from pretty much day dot.

This transmission should be quiet, as the transmission has been blueprinted.

  • Legacy Donating Member
  • Member For: 15y 7m 28d
Posted

It only rattles while the car is sitting at idle. Push in the clutch and the rattle goes away.

  • 2 months later...
  • Member
  • Member For: 13y 10m 11d
  • Gender: Male
Posted

Greg, once the 31 spline slip yoke is installed was the BA tail shaft still right length to use with t56. Is it just the centre bearing height to adjust?

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