RE: Driveshaft Balance

[Jon Pike <jhpike@domain.elided>]

> Technical bulletin 89.01. dated May 1, 1989
>
> "During assembly of the GTV-6 and Milano models of Alfa Romeo, the
> factory precision balances the driveshaft on the car.  The balance of
> the driveshaft is adjusted by using different thickness nuts and/or two
> nuts on one bolt.  (See Fig. 1)"
>
> "All hardware and driveshaft components MUST be refitted exactly as the
> factory assembled them."
>
> "Whenever removing or disconnecting the driveshaft from the vehicle mark
> the position of ALL mounting hardware and driveshaft components so that
> they can be returned to their original position to preserve driveshaft
> balance."
>
> So there it is - all you have to do is look!
>
> I've forwarded copies of the TSB to John off-line.  If others are
> interested, lemme know, however it's pretty much the text I copied plus
> a pic of the drive shaft and hardware, nothing special.
>
> bs
Now the REAL question would be..  what's the balancing procedure?

I'm wondering if there might be a not too special equipment way to do 
this,  like use a timing or strobe
light to freeze it and "see" how it vibrates,  and know where to add 
some weight..  
Jon
--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided