Mike,
Agreed....but any competent VW guy(Kirin probably qualifies) is going to
recheck all of those things any way.
As an example, I checked mechanical advance curves of the 009 against the
mechanical curve part of some late model svda's and chose to install a
crippled(no vacuum advance) svda of a certain vintage in my 2110 rather
than a 009.
Looks dumb sitting in my engine bay(too lazy to remove the vacuum part),
but it runs *very* well and smooth at *real* driving rpm's
I, for one am looking for a smooth advance curve beyond what I remember
the 009 does. I don't drive either at idle for full throttle all the
time....and got really sick of the advance either on or off(yes, might be
carb porting..ida's) at a certain
rpm which seemed to be about cruising speed at 40mph for me.
Maybe the 009 I was using was sick, but it was certainly
extremely annoying.
http://www.google.com/imgres?q=009+advance+curve&hl=en&sa=X&tbo=d&biw=1707&bih=876&tbm=isch&tbnid=HdTMHb2hoIjN4M:&imgrefurl=http://www.thesamba.com/vw/forum/album_page.php%3Fpic_id%3D843030&docid=8F02yyYHkAtxmM&itg=1&imgurl=http://images.thesamba.com/vw/gallery/pix/843030.jpg&w=1176&h=759&ei=q_nUUOC9L8ii2wWY34GQBw&zoom=1&iact=hc&vpx=4&vpy=125&dur=533&hovh=180&hovw=280&tx=175&ty=116&sig=113848758541072979766&page=1&tbnh=122&tbnw=190&start=0&ndsp=46&ved=1t:429,r:0,s:0,i:90
Folks, think about how fast the rpm's get run up in any gear, except for
real stop and go driving...and where the next rpm matches for any gear
shift except first....with stock tires etc.
Cheers, dave
On Fri, 21 Dec 2012, Mike B wrote:
You guys seem quick to fault the 009 dizzy for all of these bad behaviors.
It IS the cause of driveability and acceleration issues when teamed up with a
34 PICT carb. But there's no way it can be causing all of the issues Kirin's
mentioned. Yes, they don't "play well", but it appears that this one isn't
playing at all. It can't all be the 009/ carb mismatch. It sounds like the
carb is also possibly having some major problems. I'd check for worn
throttle shaft, inop or misadjusted choke, clogged internal passages,
malfunctioning/ misadjusted accelerator pump, incorrect float level, intake
vacuum leaks, ignition system problems like bad sparkplug wires, loaded
spark-plugs, wrong gaps, intermittent coil malfunctions and plenty of other
potential malfunctions. A properly-running engine with a good 34 PICT carb
and good 009 dizzy will still start, idle and run well. It just has
acceleration issues and hesitations.
Check it all over for all the usual stuff, and get it running right, before
blaming all of this on the wrong dizzy.
Mike B.
On 12/21/2012 6:29 PM, Dave C. Bolen wrote:
Kirin,
Absolutely agree with Bill, 009's are crap for stockish engines...mostly
for lots of others as well.
It doesn't matter if the carb is stock or modified...better performance and
better gas mileage with an svda in 99% of the stuff I have ever worked
with(40 + years)...as long as you have the proper vacuum port.
Have her spend the money, dump the 009 and be happy.
Even the newish chinese svda's are better than you might expect.
Cheers, dave
On Fri, 21 Dec 2012, bill may wrote:
009 does not play well with a 34 pict-3 carb. You need a 034 distributor
that is single vacuum and mechanical commonly called a SVDA for single
vacuum dual advance.
-----Original Message-----
From: vintagvw@googlegroups.com [mailto:vintagvw@googlegroups.com] On
Behalf
Of Kirin Jacobsen
Sent: Friday, December 21, 2012 11:27 AM
To: vintagvw@googlegroups.com
Subject: [vintagvw] 1600DP running issues
Hey guys,
I have a friend who a few months ago purchased a very clean 70,000 mile 73
super beetle from an original owner a few months ago. The car had just
been
serviced bya local shop to pass our local emissions testing(Aircare or as
I
like to call it airscare!).
Soon after she purchased it it started suffering some running issues.
It has a replacement Empi 34 pict 3 I believe and what appears to be a
009 Distributor(What I remember from my last 1600dp. Mind you I haven't
played with one since about 2006...)
Anyways the issues that were going on it was stalling when it was cold. It
would fire up fine and she would take off and as soon as she would return
to
idle it would stall. Which sounds like a total carb icing issue. To
address
that it got a new intake manifold and a new muffler. Which didn't fix it.
Also it started developing a backfire through the carb on shut down. And
hard to start when warm..... also a intermittant misfire mid range in the
revs. The disty cap is nearly new. Rotor looks okay.. Certainly not new a
bit grungy but not totally burned ..
Its had plugs, wires.... etc. When I was looking at the aircare sheet .
The
hydrocarbons were high, and I'm certain its running rich. My gut feeling
on
this one is that the carb is way out of adjustment and that the timing is
way out to lunch. I checked it for exhaust leaks and none were apparent...
Any thoughts? Its been a long time since I played with this stuff.... And
well my next venture is with a stroker so thats bound to be entertaining..
Cheers,
Kirin
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