I never could figure out how those were supposed to function. Guess the
rubber "grew" as RPMs increased thereby causing some mystical tensioning
of the chain?? The 1275 dbl. row chain/sprockets/harmonic balancer is
better for your 948 (IMHO) if your racer organization so allows.
Jack
-----Original Message-----
From: spridgets-bounces+jnbrashear=garverengineers.com@autox.team.net
[mailto:spridgets-bounces+jnbrashear=garverengineers.com@autox.team.net]
On Behalf Of Peter C
Sent: Monday, December 10, 2007 10:47 AM
To: Norm; Spridgets Digest
Subject: Re: [Spridgets] Dumb Question
The rubber rings were/are a tensioner, just kind of snugging things
up a bit. The replacement sprockets do not have provision for them.
One could argue their efficacy, and many folks removed them from the
sprockets that could take them.
Peter C.
At 09:23 AM 12/10/2007, Norm wrote:
>I've rebuilt a number of engines over the years, including a 948.
BUT...
>I'm about to replace the timing gears & chain on one of mine & I see
the cam
>gear comes with rubber "tensioner rings." I don't see any way to mount
>these rings on the new cam gear & the previous gear certainly doesn't
have
>any. Anyone able to tell me what the story is on these?
>
>Thanks in advance for your help.
>
>Norm Sippel
>'59 Turner
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