[T3] Problem solved, but Why?

[Dave Hall]

Injector connector wires?  But as you say, it could be most of the things
you did, individually or in conjunction with each other.  Probably not the
rotor and cap contacts other than the carbon brush, since the spark jumps
the gap from rotor arm to cap 'contact', rather than flowing through a
metallic path.

Of course it might be the way the car likes to respond to the care you've
shown it!

Dave
UK VW Type 3&4 Club
===================
 

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of J. Jonik
Sent: 30 December 2012 22:51
To: type3-vwtype3.org at lists.vwtype3.org
Subject: [T3] Problem solved, but Why?

Re:   71 Std FI Sqbk, w/ 73 engine

After running great after previous problems solved by replacing Voltage
Regulator, suddenly, on sleeting day, engine started fluttering, vibrating,
etc, at one point not wanting to rev with acceleration in first gear.
 Made it home.  Next day, it started up easily (despite temps in the high
20s), but still had that fluttering syndrome.
 So, just to eliminate the easy probs, I simply made sure all wires were
snug on their connections,  and all hoses too, and widened point gap just a
little (it was a tad too narrow), and re-set timing, and did a gently
"scrape" of points and rotor and dist cap contacts.
 Voila!   Engine (again) sounds and feels brand new.

But, which of those things did the trick?  That is, what might cause that
"fluttering"...the sense that the engine was doing sort of raspberry...kind
of like the effects Woody Guthrie used in his song, "Riding in my Car Car".
  https://www.youtube.com/watch?v=DUDtFdnn9oQ
Was this an injector or spark plug connection?  A ground wire? Plugs at Dist
or TVS?  One dirty contact in dist cap?
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