[6pack] New Engine AUTOpsy

Navarrette, Vance vance.navarrette at intel.com
Thu Sep 11 14:53:27 MDT 2008


        Kendall:

        I believe the claim is that residual stresses in the crank relax over
time, so older is better. It also may be that the thermal cycling increases
the rate of relaxation (Any metallurgists out there?).
        I would hazard a guess that even a NOS crank has had plenty of time to
relax, thermal cycling or not. The newest crank you could get now would be 30
years old, so it is probably well relaxed. If not, give it a beer to drink and
it will relax. It always works for me.

        Vance

    Vance Navarrette
    Cogito Ergo Zoom
    I think, therefore I go fast

-----Original Message-----
From: 6pack-bounces+vance.navarrette=intel.com at autox.team.net
[mailto:6pack-bounces+vance.navarrette=intel.com at autox.team.net] On Behalf Of
Kendall Larsen
Sent: Thursday, September 11, 2008 1:13 PM
To: Robert Lang; 6pack List
Subject: Re: [6pack] New Engine AUTOpsy

Hi Robert,

>I agree with Vance - it'll cost more to fix the crank than to
get another
>servicable used or new (my pref. is NOS) crank. They are def.
available
>from various sources.

I thought I'd heard before, (possibly from
you?) that a used crank was better than NOS because they were better if they
had been used for awhile.

Mine crank was already 0.010 under so yes, it is
definitely scrap.

Kendall


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