[Vwdiesel] compression readings

[paulr]

I wonder what a TDI and 15" wheels would have been
like in my (long gone) '81 Scirocco. A TDI under the
hood, riding on 15" rims, would have been quite the
"extreme street machine".

I was lucky to find a new '81 program car in June '82.
I put 110,000 mi. on it.  Wish I still had it.

My '81 was nimble, easy to repair, and quite lively,
even with just 85 (gasoline) horsepower. It's curb
weight was a bit under 2000 pounds.

By the time I got my 1990 Golf "Digifant", the curb
weight had grown to 2500 pounds, still on 13" rims.
It had power steering, standard. (It was "overweight")
Lots of build problems too, the quality was lacking...

My 2000 Golf TDI is a "pig" at 3000 pounds. Even so,
its TDI prime mover motivates those 3000 pounds quite
nicely. Take away 1000 pounds, remove the power steering
  -- wow!


Paul

Home comput..   err... "car hacker".

2000 Golf TDI

/////////////////////


Chris Collin wrote:
> I've just completed my compression test on the diesel scirocco.
>   After the snafu of finding out I grabbed the wrong oxy-acetylene
>  gauge (too low), I quickly borrowed the neighbors higher gauge. 
>  #1 and #2 read around 400.  #3 and #4 read around 0.  The 
> gauge marks are really tight at the low end so I used my gas 
> compression gauge and tried again.  #1 and #2 were 340+, #3
>  was 130 and #4 was 110!  On a wet test #3 was 150 and #4 was
>  160.  That and the fact that the heater and water temp gauge got
>  hot really fast makes me think head gasket for sure.  How do you
>  guys think the wet/dry variance speaks for ring condition?  I'm 
> thinking that the fair readings in #1 and #2 probably speak well
>  for them.  Unfortunately, my fuel filler vent hose rubbed the tire
>  and tore the gravity vent valve off on the warm up drive! Ouch!  
> Time for some re-engineering on the filler neck system!
> 
> 		
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Paul Reich                Electrical Engineer

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