Almost Robert but not quite.
The crank nut is a 1" Whitworth OR 1-1/8" BSF size, and yes, the same size
nut is used on 4's and 6's.
It would be very disappointing if someone bought 1-1/8" Whit socket or
wrench only to find it was too big!
The true 'across flats' dimension of the nut is 1.67" so 1-11/16" will be
about 20thou" oversize.
Hope this helps.
On 28 March 2011 15:51, Robert Duquette <robertduquette@sympatico.ca> wrote:
> I found this awhile back ...
>
> Its a WHITWORTH 1 1/8 inch nut. A "standard" AF size 1 11/16 may be used.
>
> copied from:http://www.healeyjournal.com/pages/healeytools.html
> Robert
>
>
> >
> > Can anyone tell me offhand the size socket I'll need for the nut on the
> front
> > end of the crankshaft? The car is a 6 cylinder but I seem to recall the 4
> > cylinder one is the same. I have to tighten it and need to go to town to
> pick
> > up a socket. It looks to be somewhere between a 1 5/8" and 1 3/4" but I
> won't
> > know until I pull the radiator and can get a good measurement.
> > Thanks
> > Rick'59 BN4
>
>
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