[T3] Arc's sparks and missing the mark's

Keith Park topnotch at nycap.rr.com
Mon Jun 3 17:27:18 PDT 2019


I RTV'd it on for now, but yea that boot is a bit dried out, Ill have to
find
A more supple one.

Keith
 


Topnotch Restorations
topnotch at nycap.rr.com
http://www.topnotchresto.com
71 Squareback  "Hothe"
65 Notchback  "El Baja Rojo"
93 RX7  "Redstur"
95 Chrysler Cirrus Lxi "Cirfogsalot"
"hanging out at the tail end of the bell
curve, and loving every minute of it!" 

-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of James Brookman
Sent: Monday, June 03, 2019 9:25 AM
To: type3 at vwtype3.org
Subject: Re: [T3] Arc's sparks and missing the mark's

If you are getting spark that far off of the coil, double check your
insulation on the wire, you do not have a good seal! Maybe make a new one or
try some electrical silicone to seal it better

Best Regards,
James Brookman 
> On Jun 2, 2019, at 10:18 PM, William Jahn <willjahn975 at gmail.com> wrote:
> 
> Keith:
> I know very little about the Mark 10. Is the coil itself perhaps the 
> issue maybe it can't handle the Voltage the Mark 10 provides if that's 
> how it works by boosting the coil voltage. All I know is that system 
> is supposed prevent the points from arcing assuming you still use 
> points, if I recall you do.
> 
> The only thing that comes to mind if it's easy enough to do is 
> disconnect the Mark 10 and see what the out come of that is, just to 
> rule it out. If I recall the Mark 10 is supposed to saturate the coil 
> faster something like that. Not much help since I really have no idea.
> 
> On my type 3 stock engine and old wiring hosed it down after it was 
> hit by a fire extinguisher because a shop rag fell on the stock 
> muffler right heat shield it started right up. I don't have boots over 
> more than 2 injectors yet once in a while I get a misfire after 
> driving when I come to a stop then it clears did this a few times even 
> before I did all the work last month.
> 
>> On Sun, Jun 2, 2019 at 6:30 PM Keith Park <topnotch at nycap.rr.com> wrote:
>> 
>> have an occasional miss on the 2056, some of it was the injection 
>> timing but after I washed it last time it didnt start, no biggie as I 
>> got the coil wet and noticed it jumping from the HV wire to ground, 
>> dried it out and it started.  Tonight I decided to see how sensitive 
>> it was to moisture, sprayed the distributor cap and it didnt react, 
>> but get the coil top a little wet and Im jumping all the way out of 
>> the center wire to ground, about a 1" path Usually when I see this I 
>> think there is an open somewhere that is raising the voltage needed 
>> to jump the gap and it finds an easier way to do it on the coil, not 
>> so this time, everything checks out. So I guess at idle a rather high 
>> voltage is needed for a good spark.
>> 
>> THis as the MARK 10 on it, so there is plenty of Umph available, but 
>> still... a 1" spark is preferable to jumping the .025 at the spark plug?
>> even when it was dryed out pretty good Id see the occasional spark.  
>> I RTV'd the insulator on just to see if I can make it stop but I dont 
>> recall ever having such a problem with the Stock T3 ignition system.
>> 
>> Thoughts?  ideas?
>> 
>> Keith
>> 
>> 
>> 
>> Topnotch Restorations
>> 
>> topnotch at nycap.rr.com
>> 
>> http://www.topnotchresto.com <http://www.topnotchresto.com/>
>> 
>> 71 Squareback  "Hothe"
>> 65 Notchback  "El Baja Rojo"
>> 
>> 93 RX7  "Redstur"
>> 
>> 95 Chrysler Cirrus Lxi "Cirfogsalot"
>> 
>> "hanging out at the tail end of the bell
>> 
>> curve, and loving every minute of it!"
>> 
>> 
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