[Vwdiesel] Injection pump talk --- ( mostly for the Pump Gang )

H . Hagar. h_hagar at prcn.org
Wed May 11 12:35:17 EDT 2005


What we need, besides more knowledge, are better 
instruments for testing these beasts. In the movie Das 
Boot
there is an engine room scene where a crew member is 
checking the operation of the diesel. He goes along the 
engine opening a port on each cylinder and examines the 
appearance of the jet of flame that erupts. I say we are 
not schteping mit Heinrich yet.

   -- Gavrik

Hagar sez :   I agree with Gavrik  ----we do need lots of knowledge ----BUT   instruments ?
Every Human has been provided (by the Lord) with the finest instruments  from birth.
They are fine for this application.

Gavrik and I have discussed the use of a Gasser timing light (strobe)  for making sure that the advance is not
slack assing it.   Gavrik has a timing light and he has ALL the skills needed for adapting a sonic probe.

For now we only use it for verifying advance NOT for timing the engine.

I am ashamed to say that engines used in those untersee boats were made in my hometown,.

In German " E " boats they used pyrometers close to exhaust valves. 60 cylinders Aircraft diesels.
3 X 20 cylinder.   BIG gauge and a selector switch.
I worked on British Subs only  ---and I did not notice make of engines.

Flame tuning by color has been used for many years---- read Mark Shepherd he may still
have sparkplugs with glass insulators . They were used for setting mixture on gassers.
BUT on a diesel ? IMHO  I would rather have an OPACITY  sensor.
You can NOT run a diesel too lean.

This is written mostly for Advanced or Senior Pump gang members ---but if you are a NEWBIE ?'
jump right in we do not redicule or bite. ----My CREDO is : NO question is too stupid
--NOT asking is a sin.

Hagar.

PS : Remember --in Hillbilly Tuning  -- injectors MUST be done first  then the rest.
Injector pressure affects  injection point.


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