Re: Ford 8N ignition issues

Posted by Royse on March 13, 2013 at 22:08:21 from (69.36.49.151):

In Reply to: Ford 8N ignition issues posted by Derek74 on March 11, 2013 at 06:33:22:

"I never changed part just replaced with new one!"

Isn't that "changing"?

"I guess the ballist resistor on back of dash was never used I'm assuming"

An incorrect assumption. Ford put it there. It was used. It may be bad.

"The ceramic resistor was the only resistor used and we replaced it with a

new one assuming"

There's that word again. The fact that it was wired wrong when you got it

may be part of the problem. Although I doubt that's is all of it.

"I'm thinking that he may have set points wrong but I don't know how or

what they are supposed to be set at! We are thinking its either

the points are set wrong or I'm having gas issues getting to

engine!"

That's a lot of thinking, but not much troubleshooting.

"I know since the ballist resistor wasn't connected to begin with"

Again, it was connected, someone disconnected it and wired it incorrectly.

It may run that way, but no guarantee on how well or how long.

"Just thinking it could be points but need to know what to set at!"

They should be set at .015 per the I&T FO-4 manual. Do you have one?

If you're thinking it may be a fuel issue, and it may be, pull the plug out of

the bottom of the carb and see if gas will flow out of there in a steady

stream. Let it flow for a minute or two into a container. It shouldn't dribble

out, it should flow out fairly steady without interruption. Check what you

catch for dirt or water.

Make sure you have at least 3 gallons of fresh fuel in the tank.

There are three screens. One in the tank, one at the top of the glass sediment

bowl and one in the elbow going into the side of the carb.

You can check and clean the last two pretty easily.

We still don't know what the issue is though. Have you checked the quality

of the spark you're now getting? Is it a blue/white color or orange?

If you hold a spark plug wire close to the block, will that spark jump a 1/4 inch?

If you've been cranking on it a lot, it has probably fouled the plugs. I would

pull them out and dry them off with a propane torch, or, if you have a spare

set, swap them.

If you have taken the spark plug wires off the distributor, double check the firing order.

1-2-4-3 CCW. #1 at the front of the engine.

This is off the top of my head, and its late, so I still recommend you follow

the steps Bruce gave you below. I'm just adding a couple ideas.

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