Question about Ford 8N Tractor
Converted to 12 volt by prior owner New points, condenser kit installed. I just bought an 8n and it seemed to run fine. Got it home and let it run while hooking up attachment for about 10-15 minutes and it began running rough and eventually shut off and wouldn't start. After it cooled down a bit, it fired right up and ran again until it got warm. It was converted to 12 volt by previous owner. I put new points and condenser gapped at .015 and won't start. No spark to plugs now either. The old points had a jumper wire that I don't believe was factory. It was mounted to the screw at the top of the point where to 2 thin strips of metal copper & stainless connect at the insulator and then the jumper mounted on the other end where the condenser wire was secured under the screw. I don't understand why this wire was there and if that was allowing the current to go to the spark plugs before. I installed it the way it should be without the jumper wire and the tractor will turn the engine over but not start. It is getting fuel. Any ideas?
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Posted on Jan 02, 2017
SOURCE: Ford 8N will not start when hot
This sounds like a bad fuel pump to me. The only way to be sure is to check the fuel pressure when cold, probably around 45 PSI. Then when it get hot it will drop way down to 10 or 15 PSI. Check the pressure if you can, or change the fuel pump.
Posted on Aug 14, 2009
Had the same problem, but was my fault for bypassing the ballist resistor (my bad). Anyway, I fried the coil. Read all the posts and bought new 12 volt coil (it has been converted before I got it 13 years ago). New points, condenser, cap, rotor. Now it is just my timing is a little off, but I have strong sparky but not enough to fry my coil again.
If anything, keep the ballist resistor. it is needed to drop the voltage to the coil so it doesn't fry.
Posted on Dec 30, 2010
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