Ignition problem

Ken/Alabama said:
To make sure I understand it right, the + side of the coil goes to the dist. and the - side to the switch ? Right now its wired just the opposite and that might be the culprit. This is a stock 53 ,6 volt pos ground, iron heads.
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Yes. You're backwards. Pos Gnd has + terminal of coil to distributor.
 
Pencil trick sound interesting, never heard of it, all my meters are digital so time to give the ol' number 2 a try.
The polarity issue seems more important for the spark plugs and the coil only if connected correct according the link from 'Ronnie'
Still dealing with the 'sputtering' issue when the engine is fully warmed up, engine runs very strong before the issue starts. Very easy to start the engine, good spark at each plug, coil has a ohm reading of 1.5, coil is very warm but not hot, ignition resistor in place, 4 volts at the coil with engine running and idles easily.
So spark and fuel, both ok when cold, so what would cause either to decrease as the engine gets 'hot'?
Would have like to try the timing light test but it seems mine not working (Sun gun). Any other tests?
Thanks again everyone, the forum is great, wish I found these years ago.
 
There are a lot of NOS 6 volts coils on the epay,I would stay away from the newer ones like flamethrower,hign engerzer,supper dupped.Ferign crap.
Also do you aulm termianl contacts.Brass would be better.
Any older 6 volt coil will do, they usualy last forever.They also put pos ,neg for a reason.
 
38 Pick up,
I have been battling a similar running issue with my 40 Station Wagon.
All ignition symptoms are now good. So I am throwing in the towel and installing a new fuel tank and fuel line with an in line filter. Then I am going to disassemble the recently rebuilt carburetor and clean it along with the fuel pump.
Could fuel crud be an issue with your Pick up?
 
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