[Vwdiesel] 1.6TDI

[Johann Koenig]

On Thursday June  9 at 10:41am
Libbybapa at wmconnect.com wrote:

> For a while I have been somewhat disappointed that the only TDI models
> 
> available in the U.S. have been the more powerful versions.  Being
> entirely happy  with the performance of my n/a 1.6 jetta, I have
> thought that the 1.6TD in a  jetta is luxurious regarding power.  I
> have not driven the TDI, but am sure that  although it would be fun to
> drive, if added economy were in the picture I  would opt for Less
> power.  I have recently had the thought that it would be  possible to
> build a 1.6TDI.  Please correct my thinking if in error.  The early 
> TDI's shared the same block as the mechanical 1.9TD AAZ engine.  I
> know that 1.9TD  engines have been assembled using the 1.6 head,
> manifolds, turbo and pump.   This leads me to belive that a 1.6TD
> block could be used with the early 1.9 TDI  head, manifold, pump,
> controls etc. in order to construct a potentially less  powerful, but
> less fuel consumptive 1.6TDI engine.  I imagine some adjustment  would
> be needed in the computer controls for the reduced air flowing through
> 
> the engine.  I am also unsure if pump mounting would present any
> problems.  Any  thoughts?

As I understand diesels in general, they only put out as much power as
you request. Because you meter actual fuel quantity, as opposed to
constant fuel and metered air in a gasoline engine, you can make them as
economical as you like. However, if you want more power, it is
available.

I think you would put a lot of work into very minimal gains, trying to
put a 1.9TDI head on a 1.6TD short block.
-- 
-johann koenig
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