Non-T TBelt compatibility:10V vs 20V

[L DC]

Thank you all for your responses!!

Indeed, I just compared camshafts on both of my cars (10V vs 20V) and they are different and, thus, timing belts also differ.

As for the water pumps, the 10V ones have a "lip" on the edges and appear to keep the TB more on track? compared to the non-"lipped" water pump on the 20Vs. Does it really make a differece?

Also, AutohuasAZ.com list the TB as the same for both, the 3B and 7A engine codes and I assume is the super-torque one.

-Louis

--- On Wed, 10/27/10, kneale at knitknacks.com <kneale at knitknacks.com> wrote:

> From: kneale at knitknacks.com <kneale at knitknacks.com>
> Subject: RE: Non-T TBelt compatibility:10V vs 20V
> To: ldc007usa at yahoo.com, quattro at audifans.com
> Date: Wednesday, October 27, 2010, 12:46 PM
> 
> The camshaft pulleys differ.  I don't know if their
> sizes are different,
> however.  I think ETKA says you can use the same water
> pumps.
> Original Message:
> -----------------
> From: L DC ldc007usa at yahoo.com
> Date: Wed, 27 Oct 2010 08:48:51 -0700 (PDT)
> To: quattro at audifans.com
> Subject: Non-T TBelt compatibility:10V vs 20V
> 
> 
> Is the timing belt hardware (H2O pump, idler, belt) for 10V
> non-turbo
> engine (JT) compatible with that of the 20V non-turbo
> engine (7A)?
> 
> From looking at pictures as per AutohausAZ.com and others,
> it appears that
> the idler is the same for both. Can't tell on the timing
> belt.
> 
> The H20 on the 20V, however, lacks the lips(?) on the edges
> as seem on the
> 10V. 
> 
> I need to change the timing belt and relevant hardware on
> my 1991 Audi 20V
> (7A engine code) and have a spare kit in hand for a 10V
> engine and was
> wondering which parts are compatible.
> 
> Thanks in advance for your input.
> 
> -Regards
> 
> -Louis  
> 
> 
>       
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