1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

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Re: 1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

Postby Nick » Wed Feb 15, 2017 3:37 pm

I think James has it covered, mind, buying and fitting a new Quaiffe will not leave much change out of a grand...........
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Re: 1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

Postby fightingtorque » Thu Feb 16, 2017 1:05 am

Will cost more than a grand..... so I'll hold fire for now.
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Re: 1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

Postby turbster » Thu Feb 16, 2017 8:43 am

fightingtorque wrote:Will cost more than a grand..... so I'll hold fire for now.


Looks like some Jaguar specialist has bought the rights to sell them from Quaife and they've pretty much doubled the price which is nice of them :roll:
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Re: 1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

Postby fightingtorque » Fri Apr 21, 2017 2:42 pm

Started a little bit of work on the replacement (4HA) axle.....

I want to replace the seals on all 3 corners of it. I tried a normal puller on one of the hubs, but as expected it didn't work and eventually I broke it. So I've managed to order a 4" pipe flange from the internet, and with a bit of work in the lathe, that goes on ok. Unfortunately I've had to order the cap to go in the middle separately as for some reason I ordered the wrong size first time round.

While waiting for that, I thought I would make something up to stop the input flange rotating for when I need to undo that nut. Then one thing led to another and I realised I had gone ahead and undone it without marking the position first. Presumably this means I will need to replace that crush - tube that determines the pre-load?
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Re: 1969 SE5 Alfa V6 conversion:7HA axle "no strong enough"

Postby philhoward » Fri Apr 21, 2017 2:47 pm

Theoretically, yes - new crush spacer time.

In practice, you might be able to get away with going up to a certain torque (as it starts to climb exponentially as you get to the point it starts to try and deform the spacer again). I've no idea what that figure is, but it was about all my might on a 1/2" drive ratchet (not a torque wrench or breaker bar).

If you've got it on the bench with the rear cover off when you could possibly do it with a mesh check with some engineers blue when it starts getting tight? Given what you've done to date, I suspect that's well within your capabilities..
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