Tensioner vs. Detensioner / Current engines

["Daegrigg (Don)" <daegrigg@xxxxxxxxxxx>]

Excellent idea Mark re. an idler pulley.  I am curious,  do current Alfa
(Euro) engines still have this flaw?

----- Original Message -----
From: Mark Denovich <mark@domain.elided>
To: Alfa Digest <alfa@domain.elided>
Sent: Tuesday, June 10, 2003 8:39 AM
Subject: Re: Tensioner vs. Detensioner


> Jerry in Houston wrote:
>
> > I keep seeing this device referred to as a
> > "tensioner", as if its vasic job is to provide tension
> > to the cam belt.  It is just the opposite,
>
> For the record, I'm well aware of that fact.   But it does obviously
> supply static tension.  That's why when it fails you're screwed.   So
> when people refer to it as a tensioner, I don't get upset about it.
>
> The real problem is the number of timing belt teeth that engage the
> rear/right cam pulley.   If the belt wrapped around the pulley more, as
> seen in other cars with timing belts, I think the whole setup would be
> more reliable.  I've often thought that an idler pulley between the cams
> would work.
>
> --Mark
> The Alfa Wiki: http://alfa.denovich.org
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