Re: Driveshaft Balance (winding down - - )

[George Graves <gmgraves@domain.elided>]

On Friday, August 2, 2002, at 01:15 PM, alfa-digest wrote:

> Date: Fri, 2 Aug 2002 14:39:37 -0400
> From: "John Hertzman" <johnhertzman@domain.elided>
> Subject: Driveshaft Balance (winding down - - )
>
> Mark Manley posted the correct wording of TSB #89.01 which I misread on 
> the
> gif image Carson Damm has sent me; where I assumed the unreadable blur 
> was
> 'washers' it was actually 'two nuts'. Interesting and probably useful
> information as it would seem the second nut would mean a longer bolt. 
> Again,
> thanks to both Mark and Carson. I know more than I did yesterday.
>
> In AD8-980 Richard Arnold wrote "Yes, Yes, can you imagine an unbalanced
> propeller shaft turning at engine speed as with Alfettas, GTV6s, and 
> Milanos?
> The service manual even suggests it for the early cars with a normal 
> tranny".
> If he or anyone else can give chapter and verse on the service manual 
> that
> suggests it for "the early cars with a normal tranny" I would 
> appreciate it.
> There is nothing in the shop manual 1222 which covers the driveshaft 
> and rear
> axle, or in any other factory or aftermarket manual I have.
>
> Pat Braden, after saying he's "never experienced any of the balance 
> troubles
> I've heard so much about" gives (p.170) the hose-clamp balancing method 
> which
> Fred Di Matteo has also described. He does this with a healthy dollop 
> of the
> Braden sense of humor (which may be the culprit in some relations with 
> more
> literal-minded people), advising to shut the engine off before trying to
> adjust the hose clamp, and ends the section with "Since we don't have 
> Weber
> carburetors to balance any more, we now have Alfetta driveshafts."
>
> Cheers
>
> John H.
As someone who just got his GTV-6 drive shaft 'balanced' today using the 
hose-clamp method, I can tell you its like night and day, Yesterday the 
whole car shook at between 1250-1400 RPM, today its as smooth as a Dutch 
baby's behind from idle all the way to 6250 RPM!  IT WORKS!

George Graves
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