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Austinsevenfriends
4 speed clutch release bearing on 3 speed gearbox - Printable Version

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RE: 4 speed clutch release bearing on 3 speed gearbox - Tony Press - 29-03-2020

Either  that or the engine and gearbox are back to front  Big Grin

RE: 4 speed clutch release bearing on 3 speed gearbox - Dave Mann - 30-03-2020

Quite right David, it's in the stowed position on the transportation stand, I've even found a new position for the starting handle.    

RE: 4 speed clutch release bearing on 3 speed gearbox - Ruairidh Dunford - 30-03-2020

Has the starting handle shaft been omitted?

RE: 4 speed clutch release bearing on 3 speed gearbox - David Stepney - 30-03-2020

Aha, Dave! Ingenious, with or without the starting handle shaft.

RE: 4 speed clutch release bearing on 3 speed gearbox - SneezerUSA - 30-03-2020

Does one have to use the late clutch toggle posts also?

RE: 4 speed clutch release bearing on 3 speed gearbox - Ruairidh Dunford - 30-03-2020

The clutch toggle posts are all the same unless you are using and Borg and Beck or Newton Bennett type - these use collets but won’t fit in the earlier type clutches.

RE: 4 speed clutch release bearing on 3 speed gearbox - SneezerUSA - 31-03-2020

Thanks.  Answers my question.

RE: 4 speed clutch release bearing on 3 speed gearbox - Howard Wright - 31-03-2020

Hi All

Interesting thread.  Do you have to use the hammerhead toggles with this conversion and if so why?

Cheers

Howard

RE: 4 speed clutch release bearing on 3 speed gearbox - Stuart Giles - 31-03-2020

(31-03-2020, 07:24 AM)Howard Wright Wrote: Hi All

Interesting thread.  Do you have to use the hammerhead toggles with this conversion and if so why?

Cheers

Howard

here's an engine and gearbox that came in a couple of years ago. The builder had fitted a 4 speed release bearing and kept the 3 speed style clutch fingers. The massive groove in the face of the release bearing isn't as obvious in the photo as in "real life".

[Image: 49718784153_a8750ea072_k.jpg][/url]

in the second photo you can see what's left of the 3 speed fingers as well as some of the metal filings that have come off the setup while the car was being driven.

[Image: 49719322626_98c5b7cbb6_k.jpg]

RE: 4 speed clutch release bearing on 3 speed gearbox - Howard Wright - 31-03-2020

Hi Stuart

Thanks. I retained the 3 speed levers when I rebuilt the clutch on the special.  Seems I am not going anywhere for a while so I will have plenty of time to take the box out and change the levers.

Cheers

Howard