[T3] Aux Air Regulator....

[Jim Adney]

On 20 Nov 2012 at 19:37, J. Jonik wrote:

> Just to be clear on testing the Aux AIr Reg  (71 T-3 w/ 73 engine,
> FI)....is it that after the engine is well warmed up, there should be
> no effect on engine idle when pulling and blocking the hose to air
> cleaner?  

Yes, no change in idle speed once the engine is well warmed up.

>    But, does that mean there should be no suction felt too?    That
> is...should the AAR be closed, bringing in no air from the air
> cleaner, when engine is warm? 

No, the AAR never closes off perfectly, so there will always be some 
suction felt.

> This is about STILL trying to stop lurching and irregularity. Engine
> hums very nicely otherwise. No stalling, and easy start, etc. 

> Notes:
> -   TVS is set to click with just a tiny push on throttle.

The click method is only for 68-9 TVSs. Your '71 TVS is now 
incorrectly set. The later ones require an ohmmeter or the Bosch 
tester. I'll send you my adjustment instructions.  

> -   Manifolds, both sides, now with only thick gasket. No thin tin layered in as before.
> -   Air Distributor changed to be compatible with breather.   That is...no air hose from Air Distributor to breather.  
> -  Cold Start stuff all shut off, unhooked, unplugged, etc...including thermo switch.
> -  Fat hose boots on manifold seem snug as a bug.
> -  After warmed up, performance is much better, but pretty bad with the lurching.

Sounds good except for the lurching. Under what conditions do you get 
lurching?

-- 
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Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
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