Think maybe the oil feed is blocked? Pat
----- Original Message -----
From: Gordon Glasgow <gsglasgow@home.com>
To: <datsun-roadsters@autox.team.net>
Sent: Wednesday, July 25, 2001 10:33 PM
Subject: RE: Cam chain noise...again
> Head thickness is 4.528-4.530" as measured at the 1st cam tower.
>
> Sounds like your oil pressure is dropping off as it warms up. What is it
showing
> on the gauge? It still souldn't touch under any circumstances if (a) the
cam
> towers are shimmed enough or (b) the tensioner is shimmed enough.
>
> Gordon Glasgow
> Renton, WA
>
>
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of Rourke, Brian
> Sent: Wednesday, July 25, 2001 6:41 AM
> To: 'datsun-roadsters@autox.team.net'
> Subject: Cam chain noise...again
>
>
> Hi all,
> my cam chains and gaskets etc arrived yesterday. Spent most of today
> installing them. Late in the afternoon I took a deep breath and hit the
> starter. Engine started real easy. BUT......no noise at start up (even
> though the car has been sitting for two weeks) but after running for about
5
> minutes or so....cam chain rattle. Not as bad as before I started, but
> definatly still there. It is only there at idle and goes away at about
> 1100RPM. I am of a mind to cut that bracket on the top chain guide off.
> I measured the new chain before I installed it and also the old one. Only
> 3mm difference. I am really starting to wonder what to do next. Can any
one
> throw any ideas at me.
> I can remember a thread on the list a while ago that spoke of measuring
> somewhere on the 2000 head to see how much has been shaved off. Can anyone
> remember the location and dimensions?? May be the cam needs thicker
> shimms???
>
> Things so far that have been done....
> Cam towers have been shimmed, I have had shimms made up for the tensioner
> and installed them, new chains, new sprockets.
>
> If this keeps up I might have to look at an alternative power plant.......
>
>
> See ya, Brian.
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