Date: Wed, 19 Sep 2001 08:44:59 +0000
Reply-To: Alistair Bell <albell@UVIC.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bell <albell@UVIC.CA>
Subject: Re: Digifant II 'Diesel' Conversion Pics
In-Reply-To: <AIEFIGCNNANNIHLNFBPEOEJGDPAA.vanagon@volkswagen.org>
Content-type: text/plain; charset="US-ASCII"
David,
I don't knwo what you mean baout the A2 requiring a lot more work, but I am
impressed that you had the moxie to go ahead and try and make a
non-interfering manifold. I hope you suceed!
I didn't find the exit angle to be much of an issue...
Maybe I was a little unclear, my friend's airbox is mounted on the battery
tray and space infront(behind?!) the pass. taillights.
Dunno David, still seems a little imprudent to mount the ECU there...
In my van...I can't rememeber the cabling to the ECU being lengthend to
allow it to sit under the rear seat (grommeted hole in "firewall" for cable
to pass through), but it has been 7 years now, and anyhow there been no
problem with the cable.
I also like the roar that the K&N filter makes.
I have discussed I4 noises with a fellow listmember (Johan from SA) who did
his own I4 conversion, and in the process of trying to reduce engine
noise/buzzing (he went through a series of exhaust pipe/muffler combos, see
also Frank Grunthaler for more info on that), this is what he said:
>>>"I eventually spoke long-distance to the R&D guys who assured me that the
major part of my problem lay with the air intake. They claim that all
Golf/Jetta/Rabbit engines have noisy intakes and require some kind if
"reverse cone" in the air intake to swirl up the air.
What was missing from mine was the "plastic reverse cone elbow" to connect
from the air filter to the now relocated air snorkel (they had not connected
the 2 pipes and so I would have been sucking in a lotta dirt on sand roads
in the Kalahari and Etosha in Namibia in June vacation with the caravan this
year)
I had the reverse cone fitted and it does seem to have made things a lot
quieter."<<<
This maybe a good point to insert some part numbers for the SA I4...I hope
you can get some of these bits:
The intake manifold has the following marks/numbers 037.133.223 AM WW0
Germany (local dealer couldn't find it on his list, I didn't find it on the
EKTA either)
The exhaust manifold has 20 H 98 on it
The sump that is used has 068 103 603 A on it (I understand that it is
used on the 1800 Microbus here)
The air filter is number 22S 129 620C (same one as on the I5s?,
cylindrical, sits behind LHS tailight)
And finally, please don't take my observations as negative criticisms, I
appreciate you sharing the info on your latest conversion, I think we can ll
benefit from the discussion.
Next step exhaust? I hope Frank chimes in on this topic.
Alistair
on 19/9/01 2:44 AM, David Marshall at vanagon@VOLKSWAGEN.ORG wrote:
> The A2 manifold requires a lot more work as it is much taller - I also
> didn't like the exit angle of the throttle valve. Also, we sort of killed
> the A2 intake manifold when we combined it with an A1 manifold to make a
> short "A2 manifold" that would not interfere. The throttle valve hit the
> fuel pressure regulator... perhaps on a second revision! :)
>
> The oil filter is still quite accessible - lots of room around it to get
> your hands on it or that funky tool to remove it.
>
> The pre-heat is an issue for people who have to deal with the smog police.
> I had a 1991 Jetta for a few winters with a K+N and never had a problem
> at -30C starting it up. A little rough for the first 15 seconds of life but
> after that not a problem. The Diesel battery like you pointed out makes
> mounting a stock box almost impossible. Normally I would do what your
> friend did and bolt the bottom of the box to the side wall of the engine bay
> and route a pipe to get the cold air from outside. You're right about the
> unshrouded filter - it does make it have an aggressive growl when you step
> on it. I kinda like it!
>
> Water on the ECU isn't a problem as it normally sits in the rain try of a
> Golf or Jetta. The termination box is waterproof. Lengthening the cables,
> especially the knock sensor and the O2 sensor is not a good idea.
>
> The coil is actually a 1986 Vanagon coil with the stock holder.
>
> You are right about the engine cover - there is no messing around with that.
> However, there is a lot more messing around with other things that is pretty
> straight forward in a 15 degree swap. As I tell everyone, all conversions
> have compromises.
>
> David Marshall
>
> Fast Forward Automotive Inc.
> 4356 Quesnel Hixon Road
> Quesnel BC Canada V2J 6Z3
> mailto:info@fastforward.ca <mailto:info@fastforward.ca>
> http://www.fastforward.ca <http://www.fastforward.ca>
> Phone: (250) 992 7775 FAX: (250) 992 1160
>
> . Vanagon Accessories and Engine Conversions
> . Transporter, Unimog and Iltis Sales
> . European Lighting for most Audi and Volkswagen models
>
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>
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