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Discussion Starter #1
My rear gearbox mount seems to be knackered... but an alfa "specialist" I spoke too reckons they are like that anyway...!

Looks to me like a void bush, where the two connecting parts of rubber have vanished, according to "him" this is how they are new.....

It flops around like a c0ck in a top hat......

Anyone know anything about these.......

Appreciate any help and advice you can give... great site BTW.

Take it easy,

Conk.
 

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Are you talking about the short 'rod' that is flat on both ends? If so it has no rubbers.

There is a lot of flex on the mounts in my experience from all of the suds/33s that I've had
 

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Discussion Starter #3
Yes, It's the one on the tailhousing of the gearbox, so I supose that this is normal for it to slop about then. I'll pump it full of sikkaflex to get rid of the slop......

Thanks,

Conk
 

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There should be edges on that rubber bush. Ive just replaced on on the 33 a couple of weeks back. cheap one ebay...
 

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Maybe were talking about different parts, there has never been any rubber on the small rod/tube that I referenced above on any of the sud gearboxes I've taken out (about 5 over history of time) ?
 

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The 33 and Sud boxes do have that mount and the fit is, as you so eloquently put it, like the proverbial in a top hat.

Both my 33s are the same, and so have been the various other boxer gearboxes I have seen. The gearbox extension moves around and the mount seems to be there just to keep it generally located. I'd leave it as it is. Mine are working just fine like that !

Cheers
David F
 

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I changed mine 12 years ago to find that it really is like a doodah in a shirt sleeve anyway. Rather pointless having it as it didn't seem to do much. There's someone in Hungary on eBay selling them.
 

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On my last Sud based car (admittedly a road legal racer), I threw the extension away completely and mounted the rear of the 'box to the body using a length of 10mm threaded rod with two holes drilled in the tunnel. I rubber bushed the holes to reduce vibration and mounted the gear lever in a similar way.
This gave a quick and precise gearchange which got rid of the rubbery feel of the standard set up.
10 years and 50k miles later it is still happpily working with its current owner.
Cheers,
Mark
 

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On early cars tail shaft was bolted directly to back of box without the intermediate rubber mounts of later years. This significantly improved my gearchange.
Other trick is to ream out the bolt fixings for gearchange and "reduce slop" with larger dia. bolts.
The tail mounting prooved really useful when I broke the main engine mounting at the top of the engine on a stage!!!!

rsfruitbat
 
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