Backfiring Issue

I'm going to assume the above statements 1-3 are based on a 6V system.

 

If you do need plug wires or Points or a condenser or a coil go to NAPA and buy them.

 

already got 'em from o'reilly's

Edit: the points and condenser, that is.

 

the plug wire on #3 was bad, so we no longer have a plug wire on #3. we checked the valves externally, and they seemed fine, but the oil really needs flushed and replaced, so we're gonna try to do that.

 

i think i've seen sparks from somewhere down there before....

 

i mean i could see that sucker with everything closed up, and it was sparking with the engine, but i just closed the hood. probably a bad idea.

 

This goes for both 6 and 12. The reproductions with aluminum contacts and carbon resistor centers pass a lower amperage than copper and brass. This equals a diminished spark.

 

Do you mean that with the distributor cap on you could see sparks ? If so the get a distributor cap and rotor,plug wires ,spark plugs,points and condenser,set to specs and see where you are at,

What should an ohm reading be on a bench for a good condenser......a bad one......

 

Your right. Had Dauntless on my mind.

 

All parts of the high voltage system (cap rotor wires plugs coil) must be completely dry and very clean, inside and out. A little grime or moisture will allow the spark to 'track' and be diverted to ground, or possibly even 'crossfire'.

One trick is to take a look in the dark, watch for random sparks.

 

I bought a new distributor cap and a contact finger so I am sure that contacts are good inside. I also bought wires going from distributor to spark plugs; I can change some more parts but the result was good with this, all clean.
The fact is that some part can lie used or worn or oxide and this create a bad contact. I bought parts at Rock Auto and it was correct.
A valve not working well is an other subject; when you check ignition and when you are sure that all is correct with good timing , all plugs making spark at the good time, then maybe a valve.
You need a lot of patience, noting what you check on a book, that's how I did when young... Now I pay a prop when I can find one.

 

Good tip. I keep a maintainance log book for each vehicle, with dates and milages. Extremely useful!

 

i just recieved a manual, thanks to matt johnson

 

Thanks Howard..............I have an old engine analyzer that has leads to test a condenser but I haven't tried it yet...darn honeydews are killing me...