Well, it's not quite that easy. The cam clearances are pretty tight, and
lots of people (including me) have had difficulty getting the towers to line
up precisely again. Take him a camshaft and make sure it turns freely in the
towers after he is done. If it doesn't, have him fix it.
Gordon Glasgow
Renton, WA
www.gordon-glasgow.org
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of
> JOver4X4@aol.com
> Sent: Monday, July 07, 2003 12:00 PM
> To: datsun-roadsters@autox.team.net
> Subject: Re: U20 Timing Noise
>
>
> List,
>
> Since we are on the subject of chain noises I have a related
> question. I have my head at the machine shop at the moment. I
> was very surprised to walk in and find my cam towers removed from
> the head. The head is being straightened to make the tower side
> flat. The lower side will then be milled to clean up the out of
> flat condition. I think this can be accomplished with a cut of
> <.010". How hard is it to get the towers aligned after they have
> been removed? Is there a trick to getting them installed without
> binding of the cam? The machinist says that if the head is flat
> the towers just locate on their guide pins and everything is ok.
> I am questioning this. Any advise is appreciated.
>
> Thanks,
>
> John Over
> 68 2000
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