[Vwdiesel] Injection pump timing?

Fri Dec 27 19:26:06 PST 2013

I removed the extra external throttle switch from my pump and believe the
only thing electronic on it is the shut off solenoid. It was sold to me as
an AAZ and a mfr date on the alternator is 4/95 as my memory serves me. Ill
check for other connections and for part number of pump. I just want it to
run at optimum for the heavy beast it is pushing down the road. Thanks for
your insight!

Velma 82 1.9L AAZ td westy
On Dec 27, 2013 8:24 PM, "Mark Shepherd" <mark at shepher.fsnet.co.uk> wrote:

> According to my books the AAZ was timed as a stand alone engine to 0.9,
> allowable test 0.83 to 0.97. Same for the 1Y [pre October 1994] Locking Pins
> used for later pumps with fast idle. Idle 900rpm, 1050rpm for fast idle.
> In situ of a mk3 Golf/Vento, AAZ pre Oct 1994, set to 0.8, allowable test
> figure 0.73 to 0.83, for the dual stage injectors, but the single stage 1Y
> set to 0.9 as
> above.
> I assume that the AAZ Engine came with single stage injectors if not
> specified...
>
> ========================================
> Message Received: Dec 28 2013, 01:39 AM
> From: "Jason"
> To: "ralph meyermann"
> Cc: "vw fans"
> Subject: Re: [Vwdiesel] Injection pump timing?
>
> Here is a modification I recommend for the AAZ pump. There is a timing
> retard solenoid on the front of the pump. Wire it to be powered full time
> with the fuel shut off switch. Then re-time it as you would a 1.6TD. I
> seem to recall .95 working well. That solenoid retards fuel timing below
> 2000 rpm for emissions. It also reduces performance.
>
> Jason
>
>
>
>
>
> On Fri, Dec 27, 2013 at 7:54 PM, ralph meyermann
> wrote:
>
> > I'll, get the part number off the pump to make sure. That'll probably be
> on
> > Sunday.
> >
> > Velma 82 1.9L AAZ td westy
> > On Dec 27, 2013 12:40 PM,  wrote:
> >
> > > Unfortunately there are two different specs for AAZ timing. On pump is
> > > timed like all the previous 1.6’s the other is not.. I have the
> > > instructions somewhere for the one that is not, I believe. Haydeh
> > >
> > > On Dec 27, 2013, at 11:01 AM, Bryan Belman
> > wrote:
> > >
> > > > Loren, he is using the 1.9TD pump from an AAZ. I have one in the
> > > garage, I will get the part number.
> > > > I need the timing spec as well for another day when I get the pump on
> > > the block.
> > > > I just googled and found this for 1.9TD AAZ pump.
> > > > MK3 / A3 chassis (1993-1997):
> > > > Engine AAZ (1.9l turbo) 0.80
> > > > +/- 0.02 mm
> > > >
> > > > Wow, check this guys directions out on how to do the pump timing.
> > > > Incredible, thank you so much for creating this.
> > > > I wish I had found this 15 years ago.
> > > > I do it so little that I always need to reference my notes when
> setting
> > > pump timing.
> > > >
> > >
> >
> http://vincewaldon.com/index.php?option=com_content&task=view&id=24&Itemid=26
> > > >
> > > >
> > > >
> > > > My 1.9NA pump is .090mm +/- a bit.
> > > >
> > > >
> > > >
> > > > Bryan Belman, Pt. Pleasant, NJ
> > > > 04 Jetta Wagon TDI PD BEW, 100hp, 5sp -- running :<)
> > > > 04 Golf TDI PD BEW, 100hp, 5sp Tiptronic Auto -- running :<)
> > > > 82 Diesel Westy 1.9NA 1Y -- running :<)
> > > > 70 Type 1 Beetle -- Under Restoration forever:-)
> > > >
> > > >
> > > >
> > > > On Friday, December 27, 2013 6:02 AM, "lbaird119 at aol.com" <
> > > lbaird119 at aol.com> wrote:
> > > >
> > > >
> > > > I'm not a big fan of just putting in a lower temp thermoswitch.
> > > They're designed to go with the thermostat. Change stat temp, change
> > the
> > > thermoswitch. Just change one and not use the correct one of the other
> > and
> > > the fan will either run way too much or not enough.
> > > > Make sure you're actually running hot, with a thermometer (IR or what
> > > have you) rather than just using the gauge. They vary. Only in a
> > Vanagon
> > > would I suspect the timing could be off enough to overheat but power
> > should
> > > be equally low. What the pump number in case someone has the specs?
> > > Should be 068...
> > > > Loren
> > > >
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: ralph meyermann
> > > > To: Bryan Belman
> > > > Cc: vwdiesel
> > > > Sent: Thu, Dec 26, 2013 9:31 pm
> > > > Subject: Re: [Vwdiesel] Injection pump timing?
> > > >
> > > >
> > > > I'm using the injection pump that came with the AAZ. The water pump
> is
> > > > ewish and of all metal construction, it was used in the 1.6 na with a
> > > > ingle V belt conversion I purchased from Scott at turbo vans and not
> > had
> > > > ny issues on the 1.6? The oil cooler hoses come out of the main
> > coolant
> > > > oses. I wonder if my timing is retarded thus adding more fuel/heat to
> > > > chieve the power/speed desired? Planning on getting the dimensions of
> > my
> > > > adiator shroud to see if I can upgrade the cooling fans and a lower
> > temp
> > > > an switch.
> > > >
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