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Thu Mar 26, 2009 7:18 am

My original post on other sites can be found below. I have learned that the two distributor I was in search of are DVDA. I am in need of an SVDA that will work with my new set up. Stock 1800, 40/44 EIS Dual KADS and a ?????? distributor. I'm fairly certain that there are folks out there running this combo.

Thanks in advance!

Quote: I am having trouble locating the original/correct distributor. I am giving the punt to the progressive/009 and going back to duals and vacuum. I have a stock 1800 that will have 40/44 EIS Kads. The book and Old Volks says that with my combo I should be looking for a VW 021-905-205N, Bosch 0231 181 005. I have located a VW 022-905-205S, Bosch 0231 170 093. Is anyone familiar with what I can use, what numbers and or carb will work. Specs below.

*What the book says I need:

Distributor: VW 021-905-205N, Bosch 0231 181 005
Can Use: VW 021-905-205J, Bosch 0231 173 009 or 010
Points: 01 011
Condensor: 02 074
Rotor: 04 033
Note: Originally equipped with Speed Limiting Rotor 04 016 (5400rpm)
Dust Cover: 039-905-241, Bosch 1230 500 139 > 1230 500 147
Cap: 03 010
Distributor Cap Clip: 034-905-265, Bosch 1231 251 033
Parts Kit (Shims, Washers & Hardware): 059-998-211, Bosch 1237 010 007
Coil: 00 015 (Blue Coil: 00 012)
Vacuum Can: 07 115 **Different**
Ignition Wires: 09 171
Spark Plug: W8CC
Timing Set At:: 10deg ATDC @ 800-950rpm w/strobe, vacuum hose(s) connected **Different**
Advance/Retard Range: Vacuum: 7-12deg Adv, 16-18deg Ret; Centrifugal: 9-14deg @ 2000rpm, 21-25deg @ 3400 rpm **Different**

*The one I can get my hands on:

Distributor: VW 022-905-205S, Bosch 0231 170 093
Can Use: VW 021-905-205P, Bosch 0231 168 005
Points: 01 011
Condensor: 02 074
Rotor: 04 033
Dust Cover: 039-905-241, Bosch 1230 500 139 > 1230 500 147
Cap: 03 010
Distributor Cap Clip: 034-905-265, Bosch 1231 251 033
Parts Kit (Shims, Washers & Hardware): 059-998-211, Bosch 1237 010 007
Coil: 00 012
Vacuum Can: 07 060 **Different**
Ignition Wires: 09 171
Spark Plug: W7CC
Timing Set At:: 5deg ATDC @ 800-950rpm w/strobe, vacuum hose(s) connected **Different**
Advance/Retard Range: Vacuum: 8.5-11deg Adv @ 7.9 In. Hg; Centrifugal: 8-13deg @ 1600rpm, 20.5-24.5deg @ 3400 rpm **Different**

Thu Mar 26, 2009 7:58 am

Thu Mar 26, 2009 8:10 am

busman78 wrote: 205N That's twice I've heard that now. I read a post where the 205N was a DVDA and a few posts where it's an SVDA. 205N it is, I suppose.

Thu Mar 26, 2009 8:18 am

busman78 wrote: 205N

What are the other numbers on that distributor?... you can't always tell by the last three as there are several different full PN's on some distributors that end in the same 3 numbers and or 3 numbers and a letter code.

I would think for SVDA you would want the 0231 170 034 (Bosch #)/ 043 905 205 (VW #)

Thu Mar 26, 2009 8:35 am

http://www.thesamba.com/vw/classifieds/detail.php?id=762034

Here is an ad for a 205N

Thu Mar 26, 2009 8:41 am

keifernet wrote: busman78 wrote: 205N

What are the other numbers on that distributor?... you can't always tell by the last three as there are several different full PN's on some distributors that end in the same 3 numbers and or 3 numbers and a letter code.

I would think for SVDA you would want the 0231 170 034 (Bosch #)/ 043 905 205 (VW #) 021-905-205N is the number I posted. I have read where this is an SVDA and another thread say DVDA. I'm lost like last years Easter egg.

Thu Mar 26, 2009 8:44 am

1975 Kombi wrote: http://www.thesamba.com/vw/classifieds/detail.php?id=762034

Here is an ad for a 205N OK, so that is the number and it is listed as a DVDA. So I'm still on the hunt for an SVDA. GLENN!!!!

Thu Mar 26, 2009 9:46 am

The way I read your question is what distributor will work with your KADS? Is that correct?
The KADS are not stock, and normally do not have ported vaccuum.
Have your KADS been modified to have the ported vaccuum added? If not, no type of vaccuum advance is going to help you and you will have to use an 009.
Check here for more info. The way they do it you need an SVDA.
http://www.lowbugget.com/kadron_labor.html

Thu Mar 26, 2009 10:16 am

why are you "punting" the 009? is it broken? are you having tuning problems with it

Thu Mar 26, 2009 10:40 am

I would suggest getting one or both of the kads properly tapped for ported vacuum and running a SVDA (034, 205S, or a aircooled modified one for dual carbs) with timing to be similar to a 009 (wind up the engine and setting the max advance to 30º BTDC when it is all in, then plugging in the vacuum hose to make sure your total is 42º BTDC or less at max centrifical + vacuum advance). Then drive it and see how it runs. Some tweaking is allowed.

I would pick a good shop to do the carb porting myself. Even though it is not rocket science, many of those who try manage to do it wrong.

009s are not for type 4 engines. Period. Even John Muir (who loved them) said not to use them for type 4s. Inadequate advance for us. I have two that I use for doorstops. Work great.

I would also suggest tapping both intake manifolds also to provide for even manifold vacuum to the brake booster servo.

That 205N would work IF you had all of the vacuum stuff that would have come with the stock dual solexes. There are a million connections that are possible to leak vacuum in that system and the vacuum fittings are getting hard to find.

Just my 2 cents (keeping in mind that I am a FI guy).

Thu Mar 26, 2009 10:45 am

i prefer the factory distributors but had an 009 on a 1971 bus with dual webers for years. To set the timing, make sure the centrifigal advance works by watching the timing as you speed up and slow down the engine. Next set the total advance to 28 - 32 degrees max. Last, adjust the idle speed and mixtures. Then go back and check everything one more time including carb sync.

Thu Mar 26, 2009 11:29 am

Randy in Maine wrote: I would suggest getting one or both of the kads properly tapped for ported vacuum and running a SVDA (034, 205S, or a aircooled modified one for dual carbs) with timing to be similar to a 009 (wind up the engine and setting the max advance to 30º BTDC when it is all in, then plugging in the vacuum hose to make sure your total is 42º BTDC or less at max centrifical + vacuum advance). Then drive it and see how it runs. Some tweaking is allowed.

I would pick a good shop to do the carb porting myself. Even though it is not rocket science, many of those who try manage to do it wrong.

009s are not for type 4 engines. Period. Even John Muir (who loved them) said not to use them for type 4s. Inadequate advance for us. I have two that I use for doorstops. Work great.

I would also suggest tapping both intake manifolds also to provide for even manifold vacuum to the brake booster servo.

That 205N would work IF you had all of the vacuum stuff that would have come with the stock dual solexes. There are a million connections that are possible to leak vacuum in that system and the vacuum fittings are getting hard to find.

Just my 2 cents (keeping in mind that I am a FI guy).

That's why I was wondering why he thought he needed the 205N... everyone must have thought he had stock dual carbs.

I agree with everything Randy just posted... get the carb(s) properly tapped and run an SVDA 034.

Thu Mar 26, 2009 11:38 am

Quote: then plugging in the vacuum hose to make sure your total is 42º BTDC or less at max centrifical + vacuum advance).

NO! You'll detonate right through the piston or melt the skirt. 28-32 degrees MAX. NEVER RUN A VW AT 42 DEGREES ADVANCE!!!!

Don't know where the 42 degree number comes from but I have seen it before in VW circles and used it once. Ruined the first VW Engine I had this way within 100 miles. Never even heard it ping, it just melted the aluminum pistons. Use 28 - 32 degrees total advance which IS the correct number.

Thu Mar 26, 2009 12:35 pm

No you won't. The <42º total advance (centrifical + vacuum) is OK and is delightful in a type 4 engine that the original poster has.....

example from www.oldvolks home for a 205S SVDA.....

Bus & Pickup Late 1976-1978 All States, 1979 Federal * 2000

Timing Set At:: 7.5deg BTDC @ 850-950 rpm (Man Trans), 900-1000 rpm (Auto Trans) w/strobe, vacuum hose connected
Advance/Retard Range: Vacuum: 8.5-11deg Adv @ 7.9 In. Hg; Centrifugal: 8-13deg @ 1600 rpm, 20.5-24.5 @ 3400 rpm

7.5º initial timing + 11º max vacuum advance + 24.5º max centrifical advance = 43º max advance. About the only time you ever see that is when you are at highway speed coasting down a hill. As soon as you put your foot in it, that vacuum advance will go away when you need to make power. VW designed it that way and it works.

graphically (the 205P is pretty much the same as a 205S)....

Thu Mar 26, 2009 1:40 pm

On the other forum you were advised to run the 205N and disregard the retard part of the canister. A T4 only needs 28 to 32, I am running 12 degrees initial with a max of 28.

Thu Mar 26, 2009 2:01 pm

I hope this isn't seen as hijacking - rather adding to the thread. I'm going to replace my 009 with a mex svda. Running Weber 34ict's, so vacuum isn't an issue. Question is - if I'm taking the vacuum from one carb, do I need a anti-pulse valve?

Cheers

Simon

Thu Mar 26, 2009 2:02 pm

busman78 wrote: On the other forum you were advised to run the 205N and disregard the retard part of the canister. A T4 only needs 28 to 32, I am running 12 degrees initial with a max of 28.

That would work too... if he already had one it would be cheaper alternative.. If he does not he's better of IMHO buying an 034 SVDA and running it... once he gets the carbs set up to use the vac port.

Let's not get confused here on max timings with vac hoses on etc... as at idle in the driveway you will see those 40+ numbers but not out on the road under load all the time only at certain RPM and load...

Thu Mar 26, 2009 2:22 pm

jl74supercab wrote: The KADS are not stock, and normally do not have ported vaccuum.
Have your KADS been modified to have the ported vaccuum added? If not, no type of vaccuum advance is going to help you and you will have to use an 009. I will be tapping the Kads next weekend at Raby's shop so that the better suited SVDA can be used.

norcalvw wrote: why are you "punting" the 009? is it broken? are you having tuning problems with it
No the 009 is OK, It's just not the best / most efficient choice for my set up.

Randy in Maine wrote: I would suggest getting one or both of the kads properly tapped for ported vacuum and running a SVDA (034, 205S, or a aircooled modified one for dual carbs) with timing to be similar to a 009 (wind up the engine and setting the max advance to 30º BTDC when it is all in, then plugging in the vacuum hose to make sure your total is 42º BTDC or less at max centrifical + vacuum advance). Then drive it and see how it runs. Some tweaking is allowed.
I would pick a good shop to do the carb porting myself. Even though it is not rocket science, many of those who try manage to do it wrong.
009s are not for type 4 engines. Period. Even John Muir (who loved them) said not to use them for type 4s. Inadequate advance for us. I have two that I use for doorstops. Work great.
I would also suggest tapping both intake manifolds also to provide for even manifold vacuum to the brake booster servo.
That 205N would work IF you had all of the vacuum stuff that would have come with the stock dual solexes. There are a million connections that are possible to leak vacuum in that system and the vacuum fittings are getting hard to find. I agree with all. As seen above, I will be tapping the carbs and the intakes. I'm just looking for the most efficent combo. Thanks a lot.