Author Topic: AAZ turbo questions  (Read 6200 times)

September 04, 2010, 11:37:59 am

intendwithin

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AAZ turbo questions
« on: September 04, 2010, 11:37:59 am »


I am having an issue finding a brass nozzle fitting that can fit the little hole in the turbo part pictured.  I got this engine shipped in a crate and it came with the brass fitting cut and unusable.  Thus, I had to drill it out and I am having trouble finding a good brass fitting to go in after I tap new thread.  The fitting connected to the injection pump via a small hose (I think?). 

Does any one have any suggestions on where to find a brass fitting?

Also, can any one tell me what the vacuum line (I think it's an EKG??) should hook up to when I get this puppy in my engine bay???



Does any one know what Kind of Injection Pump this is?  It has a line running from it to the turbo.  I don't know if it is an ECO pump or not.  An ECO pump might be ideal because that would mean the engine never really got stressed...

Thanks for looking!!!
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #1September 05, 2010, 07:48:09 am

intendwithin

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Re: AAZ turbo questions
« Reply #1 on: September 05, 2010, 07:48:09 am »
Never mind y'all!  I found all the info I was looking for.
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #2September 05, 2010, 09:09:14 am

R.O.R-2.0

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Re: AAZ turbo questions
« Reply #2 on: September 05, 2010, 09:09:14 am »
EEEEEEEEEWWWWWWW! that thing has EGR!

(egr is worse than the plague)
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #3September 07, 2010, 06:35:18 pm

intendwithin

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Re: AAZ turbo questions
« Reply #3 on: September 07, 2010, 06:35:18 pm »
EEEEEEEEEWWWWWWW! that thing has EGR!

(egr is worse than the plague)

 ???  I'm a newbie.  What's up with EGR???
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #4September 07, 2010, 06:57:20 pm

rallydiesel

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Re: AAZ turbo questions
« Reply #4 on: September 07, 2010, 06:57:20 pm »
It's a way a manufacturer can decrease the life/performance of an otherwise bulletproof diesel engine.
2006 Jetta TDI - gtb1749v, Malone 2, Frank's Titan 2 cam, VR6 clutch....
1991 Jetta TD - sold :(
2001 Golf TDI - Son's
1981 Rabbit - BEW tdi swap project

"ONCE YOU GO CLACK, YOU NEVER GO BACK"

Reply #5September 07, 2010, 07:52:38 pm

ORCoaster

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Re: AAZ turbo questions
« Reply #5 on: September 07, 2010, 07:52:38 pm »
Now it isn't that bad is it?  Exhaust Gas Recirculation is what he is talking about.  Or at least that is the EGR I know.  Look it up on google.

Reply #6September 07, 2010, 07:56:13 pm

Vincent Waldon

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Re: AAZ turbo questions
« Reply #6 on: September 07, 2010, 07:56:13 pm »
And it's almost completely harmless to the engine now, thanks to ULSD. 
Vince

Edmonton, Alberta, Canada
2001 silver TDI Jetta Malone Stage 1.5 , 2001 blue TDI Jetta SBIII 216s Malone Stage 3, 1970 Bay Window bus

Gone but not forgotten: 1969/1971 Beetles, 1969/1974 Westies, 1979 Rabbit, 1986 TD Jetta, 1992 gas Jetta, 1994 TD Jetta

Reply #7September 08, 2010, 06:01:22 am

intendwithin

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Re: AAZ turbo questions
« Reply #7 on: September 08, 2010, 06:01:22 am »
And it's almost completely harmless to the engine now, thanks to ULSD. 

How about running your TD on grease?? That's what I want to do with mine... 
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #8September 08, 2010, 06:14:52 am

intendwithin

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Re: AAZ turbo questions
« Reply #8 on: September 08, 2010, 06:14:52 am »
It's a way a manufacturer can decrease the life/performance of an otherwise bulletproof diesel engine.

Please explain :'(
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #9September 08, 2010, 02:09:43 pm

LoneWolf

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Re: AAZ turbo questions
« Reply #9 on: September 08, 2010, 02:09:43 pm »
it diverts some of the exhaust gas back into the inlet to try and reduce the emissions, but when it mixes with the crank case/ rocker cover gasses it turns into a thick black sludge that clogs stuff up, you find the insides of the inlet maifold are sh*tted up to a point where the ports and plenum section is significantly smaller and more restricted than it should be, which kind of strangles the engines breathing and reduces the power.

Reply #10September 08, 2010, 02:50:02 pm

intendwithin

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Re: AAZ turbo questions
« Reply #10 on: September 08, 2010, 02:50:02 pm »
Thanks lonewolf ;D That sucker is definitely coming off...
81 MK1 Caddy 1.6D w/ a thrown rod barring.  70K mi AZZ w/ ECO IP waiting to go in it :)

Reply #11September 25, 2010, 10:36:20 am

R.O.R-2.0

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Re: AAZ turbo questions
« Reply #11 on: September 25, 2010, 10:36:20 am »
EGR = engine pooping in its own mouth basically.

i have never had an engine run worse by eliminating it, thats for sure.

and the new ULSD isnt as bad because there is simply nothing in it now. no lube for the inj pump (well, not enough atleast)

i still hate EGRs tho. VWs never had them till late in life. middle of the mk3 line i believe..
92 Jetta GLI - Black, 1.6D w/ GT2056V turbo..
86 GTI - 4 Door, Med Twilight Gray, Tow Machine..
86 Audi Coupe GT - Tornado Red, All Stock.. WRECKED.
89 Toyota 4Runner - Dark Grey Metallic, LIFTED!

Turbo: exhaust gasses go into the turbocharger and spin it, witchcraft happens and you go faster.

Reply #12September 28, 2010, 12:40:11 pm

stewardc

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Re: AAZ turbo questions
« Reply #12 on: September 28, 2010, 12:40:11 pm »
Here's my solution


Reply #13September 28, 2010, 09:21:50 pm

Syncroincity

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Re: AAZ turbo questions
« Reply #13 on: September 28, 2010, 09:21:50 pm »
I have that intake piece available if you just want to replace it, $15 shipped in the US. I sold the main part of the intake. I'll include the EGR block-off plate I made for it. :)
JC McCavitt
'86 Syncro GL Camper AAZ
'98 Jetta Wolfie
'04 Passat Variant GLS 4Mo 5MT

Reply #14September 29, 2010, 08:59:45 am

Syncroincity

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Re: AAZ turbo questions
« Reply #14 on: September 29, 2010, 08:59:45 am »
On second thought, looking at mine, it's blocked off from the factory with a piece of plastic. Mine was the eco pump originally, as is yours; you don't need the pressure line out because you have no boost enrichment. If you're going to convert it to a real TD (or Giles) injection pump, you'll need that intake pressure sense hose to the pump, if you're running it stock, just plug it up with JB weld or something.
JC McCavitt
'86 Syncro GL Camper AAZ
'98 Jetta Wolfie
'04 Passat Variant GLS 4Mo 5MT