The cam and rockers are made of steel. The cam towers are made of aluminum,
which expands more than steel, so the cam will essentially move away from the
rockers as the temperature comes up.
Gordon Glasgow
Renton, WA
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of
> whest172@wheatstate.com
> Sent: Friday, September 28, 2001 10:44 AM
> To: datsun-roadsters@autox.team.net
> Subject: cold valve lash
>
>
> > I am trying to rough set the valve lash cold before I start my motor.
> > Past e-mails have stated setting .002 closer than specs. Shouldn't it be
> > .002 wider, as metal expands as it heats, thereby reducing the gap?
>
> Thanks
> Dwight Claassen
> 68 2k
>
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