[Vwdiesel] mileage woes

[Roger Brown]

Val Christian wrote:
> 
> Roger,
> 
> Is the 1.9 blown?  I could be wrong, but I think most of the noise on
> 1.5 NA and 1.6 NA is induction and exhaust noise.
> 
> Val

No, as mentioned, 1.9D as in natually aspirated.  And it is running the exact same intake and exhaust (for now) as the 1.6D
had.  It was that last few degrees of throttle linkage travel where the noise went up dramatically, at least inside the
vehicle.  


> > LBaird119 at aol.com wrote:
> > >
> > > > The Rabbits are quiet
> > > >   enough at 40, but at 80, they're just too loud.  My
> > > >   opinion.
> > > >
> > >
> > >   More than opinion IMO.  ;-)  Last trip to Seattle in Dad's pickup, I
> > > plugged
> > > my ears for ALL of the highway driving.  I like the right amount of "bathroom
> > >
> > > tissue" just stuffed in.  Cuts the high frequencies and still lets me hear at
> > >
> > > about 70% volume.  It was SO much more relaxing and when I got home
> > > my ears didn't ring!
> > >   One of the projects for the pickup and my Rabbit is sound deadening!
> >
> > One big difference I found between the 1.6D in my '81 and the 1.9D in the '82 (both pickups) is that the 1.9D is *so* much
> > quieter.  I think this is mainly due to being able to run a part throttle on the 1.9D.  With the 1.6D, I found up to 55 it was
> > not too bad, but past that and you got into the last part of the throttle travel, where the linkage picks up that last lever,
> > and that's when it got much louder.  With the 1.9D, you are only at 1/3 to 1/2 throttle under most conditions and about all you
> > hear is the wind and road noise, not much from the engine or exhaust.
> >
> > I also found a marked MPG vs. MPH relationship.  Keep it to 55 or below and I get around 44 MPG, but push 65-70 (or higher) and
> > MPG drops to 36 or so.
> >
> > --
> >    Roger
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> > Vwdiesel at vwfans.com
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> >


--
   Roger

Note: The shop will be closed for the holidays.