My crank mics out at 2.812. A set of NOS scroll seals mics at 2.822.
Greg told me to have my mandrel, turned to 2.812. I haven't received the
modified seal yet so I'm not sure what it will be but my guess is probably
2.816 or 2.817. That would then result in a radial clearance of your .0025
to .003 which half the stock clearance.
Bob
> -----Original Message-----
> From: triumphs-bounces@autox.team.net
> [mailto:triumphs-bounces@autox.team.net] On Behalf Of Randall
> Sent: Tuesday, February 03, 2009 11:47 AM
>
> All of those numbers seem huge to me. I've got an old note
> from Hardy Prentice saying the setting mandrel shown in the
> workshop manual is marked .004" oversize (should be 2.818"
> instead of the given 2.822"). ISTR Greg Solow and others
> agreed. But I thought that gave a radial clearance of about
> .003" between the crank & seal (with the crank centered in
> it's bearings). And he didn't mention having to modify the
> seal to achieve that.
>
> Randall
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