Topic: 009 distributor

I asked this question before and got no responders.  But here it is again - for those of you using a Bosch 009 distributor, WHY?

There are many question posted here regarding poor running, hard to time engines.  Invariably, the listed setup includes a 009 distributor.

There is one fact that can not be disputed (OK it will be, I'm sure) - the 009 was not designed to be used in the average street-driven VW.  Period.

In engines converted for aircraft use, in industrial engines, in racing engines - in short, engines whose use is relatively constant or high speed operations, the 009 distributor is fine.  For engines whose use includes a combination of low speed, high speed, acceleration from low speed, and burning fuel which contains varying amounts of alcohol, the 009 SUCKS.  You will spend weeks trying to adjust your carburetor, changing jets, etc. or trying to find the right BTDC to get the car to run right when the problem is the distributor.

I know several people who complained at length about how their VW was running with the so-called "Performance" 009.  Without exception, after I had talked them into experimenting and changing to a vacuum distributor, they were amazed that their problems had dissappeared.

I have a stock 1300 engine with a stock 30 PICT-1 carburetor and single vacuum distributor.  I can drop down to 15 MPH in 4th and accelerate full throttle smoothly without a stumble up to a top speed of around 85.  I can safely accelerate through and acceleration ramp onto the interstate  without a care.  I can accelerate up any hill around here in 4th without a hint of protest from the engine.  A friend who had a similar stock engine, but with a 009, spent a good bit of his time in 3rd gear just to keep the RPMs up where his 009 would properly act.

I personally don't care who does what to their engine.  It is yours to do with as you see fit.  However, it is a bit tiresome to continue reading of timing and running problems that could be so simply rectified.  Just get rid of the d*mn*d 009 distributor.

Your time would be well spent reading this (including the links) http://www.vw-resource.com/hestate4.html    It would be a simple experiment to simply switch distributors for a day and see what an improvement you will see.  If you don't like it, you can always change back.

Then those of you who still think the 009 is the best thing since mom's apple pie, let me know why.

David H
'66 VW Beetle w/sunroof
http://tinyurl.com/qhw59
"Where am I going ... and why am I in this handbasket?"

Re: 009 distributor

I've been running 009's for 25 years on both vans and bugs and never had any of the problems you mention. I've used the 009 with single, dual, progressive carbs and never encountered problems after the jetting was worked out. I've had engines from 40HP to 2000cc. So I don't see a problem. YNNV

Re: 009 distributor

I use mine because it is what came in the motor. No $$$$ to upgrade at this time.

Re: 009 distributor

JC2552 wrote:

I use mine because it is what came in the motor. No $$$$ to upgrade at this time.

ditto

Ted Wojton
70 VW Bus Westfalia,  2003 GMC Sierra

Re: 009 distributor

David H.
Just yesterday I switche to a vacuum distributer after 4 months of frustration with 009 on my 1973 beetle convert. no more hesitation & plenty of power, I love it. I have a 1600 engine in my 73.
I also have a 72 standard Beetle with a 1600 engine & it has a 009 distrbuter in it & it drives the Blue Ridge parkway in 4th gear up the mountain roads here in Va. It also has no hesitation & plenty of power. My 73 never would never do that with the 009 dist in it, but Will try it out with the new vac. dist. that I am now happy with. I cannot explain this because the engines should
be similar.
  A.D.

Re: 009 distributor

Just to clarify what I said.

I'm NOT saying that if you have a 009 districutor you will have problems.

I AM saying that if you DO have engine problems AND have a 009 distributor, then changing to a vacuum distributor will go a long way towards solving your problems. 


There are tons of people who have 009s and love them.  There are also tons of people who have poorly running engines with 009s and think that the problems are carburetor related.   

I just don't understand the mystique of the 009.  They are marketed as a performance item, as if installing one will give better performance.   The truth is that they are of value ONLY if you have a built up, modified engine.  The 009 doesn't provide the performance, rather, they are an add-on to a performance engine.

David H
'66 VW Beetle w/sunroof
http://tinyurl.com/qhw59
"Where am I going ... and why am I in this handbasket?"

7

Re: 009 distributor

Yeah David I tend Too agree Vaccum Port Advanced Distributor,s <, Probably the way too go with a stock single port . I Even have A Particular person of Considerable Wisdom and Knowledge Who is also reccomending Vaccum advance . Thru a second Person . I havent Caught Up with Him Too Pinn him Down On This . Typically 009 were Mech advanced Dizzy,s for Dual Carbs and The Engle Cam,s . Ive Runn 009,s for year,s <, Can cause Hesitation on the 34 Pict Carb wich is extremely hard too Tune out . <,B ut By No mean,s Impossible as Many trick,s and New Products are Availiable . Yesterday I installed a Compu Fire . Ive installed Many of these along with Pertronix . Like too Remmind every one when installing Compu Fires in Mech Advanced Dizzys . That if you Use the screw that held the condensor on side of the dizzy too seal up the screw hole that it will go all the way thru the Dizzy houseing and protrude intoo the path way of the mech advanced counter weights . <, They can Hit and cause problem,s with the advance . Reccomendation here is 3 washers under the screw too keep it from protrudeing intoo the distributor too far . <, This is just one of the many trick,s or Detail,s that are often over looked on 009 Dist. I Mean Compu Fire Has A 2 Seperate Diaghram Instruction on Installation . Then on a seperate peice of Paper written instruction,s ?/ Most Look at the Diaghram install Compu Fire . Seal Screw hole on the Side with the Condensor screw. Never Bothering too read thru the Complete Instruction,s ! <, this is the way with Vw,s many parts and combination,s will Fit and or Bolt together , even OEM parts . <, doesnt mean that they work together in unison or the way there suppose too . In fact Ive said it a Thousand Times 3/4,s Bugg,s reborn Again are Reborn again Wrong ! Mostly attributed Too lack of detail and mechanic error . Now those looking too Up grade Too dual carbs mech advanced Dizzy,s have been the Norm for many year,s on dual port dual carb set up,s . Sean

Re: 009 distributor

Found this article recently which i found interesting about the 009 and pict34 carbs http://www.aircooledtech.com/34pict3_modification/ another possible option...........

Rkmolina

Last edited by rkmolina (2006-04-26 09:58:39)

9

Re: 009 distributor

Way too Go Rk Molina ! the magic Hex Is what we use But tends too runn a Little Rich on cold start up Idles . I Like this ! Funny Me and my brother in law Had played with this hole in the past . Mostly argueing what sealing it would cause . Im wondering if an exhaust analyzer on a tread mill might even refine this Technique ? Way too go new trick ! suprisingly how close me and my Brother Inlaw had came too the same conclusion , tho . But opted instead too increase the idle circuit by Hexing the end of idle metering jett too increase the idle circuit. Good Job I like it ! except the Rivets <, Not reccomended ? Soldering be a better deal I think . Ive found too many Washers Metallic parts Stamped on the Topp,s of Piston,s . <, Not that an engine wont survive this But actuall metal can become glowin hot causeing pre- detonation . Possibly Aluminum Rivets Should be used ?/ I Like Idea of soldering best. Good Job ! Sean

Re: 009 distributor

My Beetle also came with an 009 when I bought it.

I can think of 4 reasons off the bat why someone might use an 009 distributer (assuming they were like me initially...and did not know about the potential problems with them):

1.  Price...price is much lower than replacement vacuum advance distributers.

2.  A new 009 distributer probably works better than an old crusty vacuum advance distributer with a busted diaphram.

3.  "Perceived" performance increase...due to "shifty" advertising by parts places.

4.  009 distributer takes up less space, and less engine compartment clutter (no vacuum diaphram, no vacuum hoses).


As I said these are possible reasons that I or someone else might choose to use an 009 distributer...without being aware of the potential problems with them.

That being said...I did originally have the typical hesitation problems/flat spot with the 009 & my 30/31 pict 1 carb. 

I decided to get an SVDA distributer...but then found out I needed to have a 34 Pict 3 carb to use the SVDA...so I ended up buying one new & one used 34 pict 3 carbs. 

I couldn't get either 34 pict 3 carb to work properly (either defective carb, or dirt clogging it somewhere)...so I went back to my 30/31 pict 1 carb & 009. 

But this time around I installed the Petronix electronic ignition...and have not had any hesitation or flat spot problems.

So now I think that I have the best of both worlds...less engine compartment clutter by using the 009...and no 009 flat spot by using the electronic ignition.

Although...I would like to have the increased gas mileage that you are supposed to get with the 34 pict 3 & SVDA distributer combination.

- Nick

Last edited by Bug In My Nose (2006-04-26 11:27:43)

1979 Super Beetle Convertible

Re: 009 distributor

There's one thing that never gets mentioned in all the 009 bashing.  The 009's advance curve is much more agressive than the mechanical part of the vacuum dist.  An 009 is all in by about 2800rpm.  The stock vaccum dist's mechanical part takes until 3800rpm.  Under full load, accelerating up the on-ramp, the vacuum dist will be really lazy compared to the 009.
I have a friend with a totally stock 71 Super.  It was having problems that turned out to be the vacuum advance plate sticking.  The fix is a complete teardown and cleaning.  So to get him going again, I gave him a loaner 009.  After I finished rebuilding the stock vacuum/mech dist, I called him to bring his car over so I could put it back in.  He begged me to let him keep the 009.  He said the car was a lot faster with the more agressive advance curve under full load.  I didn't let him have it and put his vacuum dist back in.  He reported it's laziness had returned.

Re: 009 distributor

Good thread, David. One very important consideration in the choice of 009 vs. vacuum is how an individual drives.

John Muir is probably the source of many VWs with 009s, since his is often the first (and sometimes only) manual that new VW owners purchase. He states: "....with the Mechanical type, you must keep your foot on the accelerator with verve, elan and confidence as it won't forgive inattention." I think in this regard he is telling you that if you own a VW you should be attuned to your car, because no one wants to be guilty of inattentiveness or anything less than "verve, elan and confidence".  And earlier in his rap on distributors, he states in reference to vacuum dizzies: "They are another sop to American buyers who refuse to learn to shift a car with a little coordination." By this, I sense he is stating that if you have a vacuum dizzy you are just falling prey to being a lazy American. Like it or not, Muir sets the stage for many new VW owners.

I had owned my vacuum-dizzied '65 Bug for several years before the first engine rebuild. Since I wasn't inclined to rebuild it myself, I had a shop do it and they installed a 009. I drove this for several years. One day, I opted on a whim to switch back to my old vaccum dizzy. My engine's performance seemed to improve, especially from a start and when accelerating up hills. And my mileage improved. That was enough for me to toss the 009 and stay with the vacuum.  I guess I'm one of the American buyers Muir looked down his nose at. So be it. But later, after Gore invented the internet, I realized that my decision was being confirmed by others.

But my point is: it is really a highly variable choice and very much based upon your engine, your terrain, and your driving style.

Thanks for the thread, David.

Clancy

Re: 009 distributor

Hiya David,

"I just don't understand the mystique of the 009.  They are marketed as a performance item, as if installing one will give better performance.   The truth is that they are of value ONLY if you have a built up, modified engine.  The 009 doesn't provide the performance, rather, they are an add-on to a performance engine."

Clancy has hit on a couple of important points which should help to clarify the issue.

As you probably know, the VW aircooled engine is one of the most modified engines ever constructed.  People have tinkered with it for over sixty years.  It's been modified for everything from aircraft to generators.  Back before the internet and instant access/communication/information most folks relied on word of mouth and advertising for innovative approaches and products.  When some started applying the 009 for racing notice was taken.  The "If it's good to race let's use it on the street" simplistic attitude took hold.  During this same period of time Muir extolled the reliability of a simple mechanical advance distributor.  Those, I think, are the building blocks of the 009 mystique.

Like any legend, it will die tough.  I've been into VW for about thirtyfive years.  It wasn't until six or seven years ago (on the net) that I started noticing negative vibes about the 009.  To tell the truth, although I was aware of the 009, I hadn't had any real experience with it (I'm a stock kinda guy).  Even today my FLAPS is selling 009s and the counterguys tell me they sell more than just a few.  That tells me that the legend lives on and that there are folks out there who are not as well infomed as yourself. 

So, chalk it up to a tall tale and education (or lack of it).

Mike

1970 AS Bug

Mike

1970 AS Bug
1970 Bus - The Ruptured Duck

Re: 009 distributor

Clancy and Mike,

Right on - It looks like this whole 009 thing is tracable to Muir.

What Muir is saying is that the requirement for driving with with a 009 is to keep your foot in it at all times.  In other words, keep the rpms up.  This will decrease the effects of the low rpm flat spot.  It will also decrease your gas mileage.

When you're starting out in 1st with a 009, you have to keep the revs up and slip the clutch until you're well on your way to avoid the flat spot.  With a vacuum distributor, you can just let the clutch out and go merrily on your way.

Conditions where the engine is under load but slowing down (climbing hills) will result in a loss of power with a 009 as the rpms decrease, resulting in a need to downshift to bring the power up.  With a vacuum distributor, the decrease in rpms and rising venturi vacuum will cause the distributor to advance, resulting in more power from the engine and forestalling the need to downshift.

The 009 is great for racing (consstant high rpms) or aircraft and generators (steady rpm), but is next to useless for varying rpm applications (around town, stop and go driving).

I've said before, and I'll say it again, you can do whatever you want to your car and engine - you own them.  But when you come on this forum and describe problems that you're having with the way your car is running, and you have a 009 distributor, try to be open minded enough that you can accept that part (if not all) of the problem MIGHT be tracable to the 009. 

You can fiddle with various venturi sized carburetors, jet size, float height, accelerator pump throw, and advance curves all day long and maybe come up with a combination that works fairly well with a 009.  OR, you can jsut put in a distributor that was designed (by highly paid automotive engineers who presumably knew what they were doing) for the engine in the first place.

I'll say it one last time (wow, you mean he's finally going to shut the h*** up?) - installing a 009 does not give you better performance, but if you have a built up, high performance engine and/or get a kick out of high throttle settings, then a 009 is probably okay to use.

David H
'66 VW Beetle w/sunroof
http://tinyurl.com/qhw59
"Where am I going ... and why am I in this handbasket?"

Re: 009 distributor

Where can I get one and how much are they??????????????????????????????????????????????????/