Yep, the tensioner can be shimmed. See:
http://www.gordon-glasgow.org/Evil_L.asp
Gordon Glasgow
Renton, WA
> -----Original Message-----
> From: owner-datsun-roadsters@autox.team.net
> [mailto:owner-datsun-roadsters@autox.team.net]On Behalf Of Roadster
> Sent: Sunday, October 28, 2001 10:52 PM
> To: Datsun Roadster List
> Subject: U20 Timing chain
>
>
> Howdy All,
>
> The upper timing chain has just started to buzz. The head has never
> been off and it has 70k miles so I assume that it is just the usual
> chain stretch/gear wear. I have a new set of chains/gears but don't
> want to use them until I go through the engine next spring (I hope!)
>
> Didn't I read somewhere (Gordon?) that the upper tensioner can be
> shimmed to get a bit more life from the chain? It is only driven
> occasionally but I don't want it to commit suicide.
>
> I once knew a fellow who did away with the oil pressure aspect of the
> upper tensioner. He drilled a hole in the side of the head and
> installed a screw in the tensioner so he could adjust it manually. A
> bit extreme I think!
>
> --
> Best regards,
>
> Fred Schroeder
> '70 2000
> SRL311-13359
> TDROC
> Home page http://home.texoma.net/~sitsinwest/
> Regular e-mail Sitsinwest@texoma.net
>
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