Message text written by "William Davies"
>> Depends on how well ballanced the driveshaft is after replacement. You
> might get lucky. I had a vibration so I took my shaft to a driveshaft
> specialist and they said my cheap U-joints had too much slop so they
change
> them out for Hardy-Spicer and then balanced the shaft and it helped quite
a
> bit.
While there are good and bad brands of UJ, don't mistake endfloat for an
actual defect. The same UJ's for example are used in the Spitfire/Herald
propshaft (driveshaft) and halfshaft. In the case of the propshaft they are
set relatively slack, in the halfshaft application they are set somewhat
tighter as the halfshaft acts as the lower suspension link. The endfloat is
taken up using oversize (thickness) circlips as required, several different
thicknesses will be stocked by most specialists. This is necessary
irrespective of who manufactured the UJs. Far more important in terms of UJ
selection is to inspect the bearing surface of the spider, some brands have
been known to have poorly machined surfaces.
Cheers,
<
Thanks for the tip. I am just a wrench monkey, not a machinist. When the
driveshaft expert tells me I should replace the U-joints who am I to argue.
Perhaps he just wanted to hose me for an extra steak dinner. But I got
good results regardless so it's all water under the bridge.
Cheers
Dave
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