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Autotechnik express Kit - for my 56 vert
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grailoc
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PostPosted: Sun Jan 15, 2017 1:57 pm    Post subject: Autotechnik express Kit - for my 56 vert Reply with quote
Hi everyone,
here is my autotechnik express kit I am planning to install into the engine of my 56 vert.

I am missing few little parts and will need help to find the right pieces.

More info to come along.

Here is the thread presenting my car into the Oval window forum:
http://www.thesamba.com/vw/forum/viewtopic.php?t=310869&start=80

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sun Jan 15, 2017 5:11 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
So guys,

I need to address the missing parts to complete the linkage between carbs and main shaft.

Below are the 2 part I have A and B.

From what I have been told my kit is an early autotechnik kit and the linkage should use the rotule arms.

So the arms I have ''B'' are for later model.
However I wanted to know if the little connecting parts that go on each carb ''A'' are correct for my kit ?

Also does anyone know where I can find the right rotule pieces, and the linkage lever that goes on the main shaft?

any help would be greatly appreciated, can't wait to get that express kit working.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sat Feb 25, 2017 7:49 pm    Post subject: Jet sizing Reply with quote
today I got a set of new jets for the dual carb,

but I need to verify if what I got fit the 6142 express configuration?

this is what I have:
Main Jet: 105
Air correction Jet: 200
Float: do I need to change it ? -> I know earlier kit had 12.5g brass float but with later 28PCI is still the same? currently I have the original float which are made of plastic.
Venturi: do I need to change the venturi considering that the ones I have in place are 21.5mm (plastic made) ?
Emultion tube: I got a brand new pair of emultion tube but I could not find the reference on them. I can post picture if someone is able to recognize what I got.
Is there any other jets size that should be changed ?

Thanks in advance for any help.

Jerome
_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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RichardinNZ
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PostPosted: Sun Feb 26, 2017 7:10 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
I have a pair of modified Express Manifolds, but my setup may be a little different to yours:
- Modified stocks heads , flycut 2mm for 7.5:1 compression and 33mm intake valves
- Speedwell USA 1.4:1 Ratio Rockers
- Vintage Speed TW Sebring Exhaust

I have the following jets:
Main Jet 112.5
Air Correction Jet 190
Emulsion Tube 10

I've only had these jets a few weeks as I have just installed rebuilt carbs. I previously had the suggested 'Express' jets set out here:

https://felix03.jimdo.com/die-vergaser/der-solex-28-pci-vergaser/

It is difficult to compare the two as the previous jets were in worn out carbs. My intention is to see how the latest setup goes and swap over jets if needed.

Hope this helps

Richard
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'58 Beetle; NZ Assembled
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My Car https://www.thesamba.com/vw/forum/album_page.php?pic_id=1750253
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grailoc
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PostPosted: Sun Feb 26, 2017 7:34 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
thank you for the link,

Seems like I have the right main jet and air correction jet.

About emulsion jet I will have to check again if the nos one I got has the right size.
However seems like I am missing the idle air jet size (1,2mm)
_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sun Feb 26, 2017 8:35 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Here is a little memo to help remember which part need to be verified to get the proper jet setup on the 28 PCI carb for the express kit.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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RichardinNZ
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PostPosted: Sun Mar 05, 2017 9:17 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
The question I always have looking at that table is why do Express and Riechert suggest different jetting for what is essentially the same set up (ie both dual 28PCI with 21.5mm venturi on otherwise stock 30hp engines)?

I know very little about jetting, but does the larger air correction jet and smaller main jet suggested by Express give a similar outcome to the larger main jet and smaller air correction jet suggested by Riechert (I've been looking at http://www.aircooled.net/vw-carburetors-jetting-102/).

With my setup (as listed above) it seems to be running rich at high RPM...but with larger intake valves, higher compression, ratio rockers and improved exhaust I'd expected it to be lean with the Riechert recommended jetting...am I wrong?

Sorry to hijack the thread but good to keep this discussion together?

Thanks, Richard
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'58 Beetle; NZ Assembled
Dual Carb 36hp
My Car https://www.thesamba.com/vw/forum/album_page.php?pic_id=1750253
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grailoc
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PostPosted: Sat Apr 22, 2017 1:31 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Hi everyone,

Here are some updates.
I got the engine back from the builder and have been working during the past month to adjust the express kit.

I was missing the hinges and linkage to activate the carburator, so based on pictures I was able to make my own pieces.
_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sat Apr 22, 2017 1:35 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
I started from simple flat metal bar that I bended and drilled.

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And after adjusting and cuting I ended up with that result.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sun Apr 23, 2017 3:53 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Here are some fresh update, the carb linkage has been fitted and seems to be operationnal now.



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Here is the overall picture od the progress. More to come...
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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Wed Apr 26, 2017 7:35 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
some new progress,
the oil filter and oil spiral cooler are now ON.

More to come...



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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Mon May 29, 2017 4:31 am    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
So here is the final setup:

I replaced the air filter with correct period mann, and put a judson coil which add the final oldspeed touch.

I have build also an engine starter by using a half gearbox split case.
I am just left with filling the oil filter and get the case put in pressure before sartup and carb adjustments.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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Peter_N
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PostPosted: Mon May 29, 2017 6:15 am    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
grailoc wrote:
So here is the final setup:

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Great setup! Looks very cool.
Forgive my ignorance, but would such a set increase torque, topspeed or both?

I'm looking into getting some more out of my 36hp one day (in a splitbus)
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grailoc
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PostPosted: Mon May 29, 2017 3:57 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Peter_N wrote:
grailoc wrote:
So here is the final setup:

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Great setup! Looks very cool.
Forgive my ignorance, but would such a set increase torque, topspeed or both?

I'm looking into getting some more out of my 36hp one day (in a splitbus)


Hi Peter, I guess it would add few more hp around 10-20% range more.
I also put domed piston which might help to get few more HP too.
When I get a chance, I will also install 4 tip abarth muffler which should allow few more extras HPs.

In other vintage speed build thread I saw people to increase valve diam to same size as the okrasa setup.
_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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Peter_N
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PostPosted: Tue May 30, 2017 2:25 am    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
grailoc wrote:

Hi Peter, I guess it would add few more hp around 10-20% range more.
I also put domed piston which might help to get few more HP too.
When I get a chance, I will also install 4 tip abarth muffler which should allow few more extras HPs.

In other vintage speed build thread I saw people to increase valve diam to same size as the okrasa setup.


Thanks for your explanation.
I've been looking into the okrasa setup yes Cool
I reckon I first have to study the possibilities a bit more.
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grailoc
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PostPosted: Sat Jul 01, 2017 1:20 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
I am working on the carb adjustment and wanted to check the stroke fule adjustments.
I am off by 50% right now, so I am going to build a custom accelerator pump arm to adjust the amount of fuel injected by stroke.

When looking at the making the volkswagen GO it says that 10 stroke = 2.5 to 3 ml for ten stroke.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sat Jul 01, 2017 1:33 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Here are the tech intruction from the book Making the volkwagen GO:
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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Tue Jul 04, 2017 9:18 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Here are the stroke adjuster I just built. Now I am able to dial the amount of fuel per storke and follow instructions provided in the tech manual.

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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sun Nov 26, 2017 3:50 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
Engine is now fully 100% complete and just found 2 cyclone air filters:
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_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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grailoc
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PostPosted: Sun Nov 26, 2017 3:51 pm    Post subject: Re: Autotechnik express Kit - for my 56 vert Reply with quote
here is a video of the engine:


Link

_________________
My 59 low light ghia: https://www.thesamba.com/vw/forum/viewtopic.php?t=452128
My 56 beetle convertible: http://www.thesamba.com/vw/forum/viewtopic.php?p=7796259
My 60 SO23 westy: http://www.thesamba.com/vw/forum/viewtopic.php?t=341539
My oldspeed 36hp autotechnik express build: https://www.thesamba.com/vw/forum/viewtopic.php?t=670827
My garage build: http://www.garagejournal.com/forum/showthread.php?t=199438
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