Besides the plunger assembly wearing down the housing and forcing owners to
shim the tensioner, the gears start to get worn and the teeth start to form
a point as opposed to being flat. Sharp teeth along with a stretched chain
along with worn tensioners equals disaster.
I have heard from knowledgeable people that most of the time you have
problems with either the upper or lower tensioner and gears, but rarely
both. I wonder why the wear ratio is not even? Is the track of that long
chain so much that it causes uneven wear? I would think that all things
being equal it would be uniform.
Also, as far as I know there is ZERO compatability with any other timing
components from G or R engines.
Bummer.
Andrew Murphy
SoCalROC
From: "James M Koken" <james.m.koken@gte.net>
To: "Fred Schroeder" <roadster@texoma.net>, "Andrew Murphy"
<solex67@hotmail.com>, <orangedawg@hotmail.com>,
<datsun-roadsters@autox.team.net>
Subject: Re: U20 timing stuff
Date: Wed, 8 May 2002 16:10:19 -0700
The shafts where the plunger meets the housing wear if the chain gets too
loose.Sometimes a new chain will take this up but its usually too late. You
loose oil pressure and get a rattle.....
Mike K
Colo. Springs
----- Original Message -----
From: "Fred Schroeder" <roadster@texoma.net>
To: "Andrew Murphy" <solex67@hotmail.com>; <orangedawg@hotmail.com>;
<datsun-roadsters@autox.team.net>
Sent: Wednesday, May 08, 2002 1:55 PM
Subject: Re: U20 timing stuff
> Do the tensioners actually wear mechanically or is it just the rubber
pads
> that go bad? If it is just the pad would there be any way to replace it?
> I've yet to have to replace mine so I'm somewhat ignorant in this regard.
>
> Best regards,
>
> Fred Schroeder
> '70 2000
> SRL311-13359
> TDROC
> Home page http://home.texoma.net/~sitsinwest/
>
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