Timing Belt - No. of Teeth (A100)

[Robert M]

???

   You have a drive side and a slack side, where the tensioner typically is. 
  Any additional belt length will be taken up by the tensioner adjustment.  
The 'lenght' of the drive side belt is determined by the pully size (fixed) 
and the distance between (also, hopefully, fixed...).

   The critical bit is 'is the pitch the same'?   Should be easyish to 
determine- all the timing belts I've ever looked at fit thier respective 
toothed pullys *perfectly*.

>From: "John S. Lagnese" <jlagnese at massed.net>
>To: "Mark J. Besso" <mbspeed at maxboostracing.com>, 
><ovalking at yahoo.com>,"Quattro List" <quattro at audifans.com>
>Subject: Re: Timing Belt - No. of Teeth (A100)
>Date: Sat, 4 Mar 2006 16:44:02 -0500
>
>If the teeth are the same size the pulley is larger and will diefintiely
>affect the speed. If the pulley is the same size the teeth  must be smaller
>or closer together and would cause chain wear/failure if even work.
>John
>----- Original Message -----
>From: "Mark J. Besso" <mbspeed at maxboostracing.com>
>To: <ovalking at yahoo.com>; "Quattro List" <quattro at audifans.com>
>Sent: Saturday, March 04, 2006 12:05 PM
>Subject: Re: Timing Belt - No. of Teeth (A100)
>
>
> > The size of the pulleys determines the rate of rotation, not the number 
>of
> > teeth on the belt.  The pitch of the teeth is important since the HTD
>(High
> > Torque Drive) belt will not work with the earlier style pulleys (square
> > teeth).
> >
> > As long as you've got the adjustment range to bring the 121-tooth belt
>into
> > proper tension I imagine it would work fine.
> >
> > ~Mark
> >
> >
> > ----- Original Message -----
> > From: "Gaz B"
> > Subject: Timing Belt - No. of Teeth (A100)
> >
> >
> > > The new timing belt I've got has 121 teeth, but the old one has 120.
> > > What's correct? Is this going to be a problem? I've already gone back
> > > once - the first one they gave me had a different pitch.
> > > Car is an early UK 1988 A100 with KU 2226 engine.
> > >
> > > Thanks, Gary
> >
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