Douglas DeMers
New User
1940 Ford 9N Standard 6V positive ground.
She stopped running last season. Since spring is here and I need to mow the pasture, I’ve:
1) jumpered around ignition switch.
2) replaced coil, condenser, rotor, cap, points, plugs, plug wires.
Old points looked decent – but point gap was nil. <sigh> This obviously was my original problem last year.
Points are set proper now. And I now know how to remove distributor w/o too much trouble.
3) firing order 1243 CCW
After all this, she would sometimes start, but ran with a lot of miss and backfire through the exhaust. Loud!
So, I thought it might be carburetor. Completely rebuilt carb – runs the same as before. No change. Still hard to start and runs w/miss and backfire.
I’ve read several threads about stuck valves, along with hints at how to un-stick them.
Question 1: Does it seem likely that a stuck valve is the problem?
Question 2: If so, what is the easiest first attempt to un-stick them (and second... and ...)? I do not have a lot of expertise in this or specialized tools.
A followup question would be: What’s the best way to keep the valves from sticking in the future?
Thanks in advance
She stopped running last season. Since spring is here and I need to mow the pasture, I’ve:
1) jumpered around ignition switch.
2) replaced coil, condenser, rotor, cap, points, plugs, plug wires.
Old points looked decent – but point gap was nil. <sigh> This obviously was my original problem last year.
Points are set proper now. And I now know how to remove distributor w/o too much trouble.
3) firing order 1243 CCW
After all this, she would sometimes start, but ran with a lot of miss and backfire through the exhaust. Loud!
So, I thought it might be carburetor. Completely rebuilt carb – runs the same as before. No change. Still hard to start and runs w/miss and backfire.
I’ve read several threads about stuck valves, along with hints at how to un-stick them.
Question 1: Does it seem likely that a stuck valve is the problem?
Question 2: If so, what is the easiest first attempt to un-stick them (and second... and ...)? I do not have a lot of expertise in this or specialized tools.
A followup question would be: What’s the best way to keep the valves from sticking in the future?
Thanks in advance