C2 1967 427 Ignition Problems
Thread Starter
2nd Gear
Joined: Jan 2016
Posts: 2
Likes: 0
C2 1967 427 Ignition Problems
My 1967 427 engine stopped without any symptoms (fortunately in front of my house) last September and was able to push car into my garage where it has sat for 4 month now. The engine turns over but there is no ignition whatsoever (not even a pop).
Since I am not much of a mechanic I would appreciate help with a diagnosis. The lights go on; the starter works; the gas pump is working; gas is flowing into the 4 barrel carb. But there is no spark at the plugs. I have a very dated Mallory ignition, points, primary coil, and condensor. The ignition system has not been updated in 40 years.
Is there a master fuse that may have blown; if so where do I find it?
Or do you think it may be something else (ie., coil, condensor??).
Since I am not much of a mechanic I would appreciate help with a diagnosis. The lights go on; the starter works; the gas pump is working; gas is flowing into the 4 barrel carb. But there is no spark at the plugs. I have a very dated Mallory ignition, points, primary coil, and condensor. The ignition system has not been updated in 40 years.
Is there a master fuse that may have blown; if so where do I find it?
Or do you think it may be something else (ie., coil, condensor??).
Race Director
Joined: May 2006
Posts: 18,729
Likes: 2,581
you should really post this question in the C2 section.
Do you have a voltmeter, if not rent or buy one.
Using the voltmeter check the voltage at the positive terminal of the ignition coil with the ignition key in the run position, you should get almost 12 volts. Next check the voltage at the positive terminal while cranking should be at least 12 volts.
If you have 12 volts remove the distributor cap and rotor and look at the ignition points, do they look burnt? Bump the engine over with the key so that the points are fully open. You should have a gap of between .016 and .019. If you have a dwell meter you can use that to set the dwell to 30 degrees. Report back what you find.
Do you have a voltmeter, if not rent or buy one.
Using the voltmeter check the voltage at the positive terminal of the ignition coil with the ignition key in the run position, you should get almost 12 volts. Next check the voltage at the positive terminal while cranking should be at least 12 volts.
If you have 12 volts remove the distributor cap and rotor and look at the ignition points, do they look burnt? Bump the engine over with the key so that the points are fully open. You should have a gap of between .016 and .019. If you have a dwell meter you can use that to set the dwell to 30 degrees. Report back what you find.
Last edited by MelWff; Jan 5, 2016 at 02:37 PM.
Thread Starter
2nd Gear
Joined: Jan 2016
Posts: 2
Likes: 0
C2 427 67 Vette Ignition Problem
Thanks for the help. Too cold to diagnose what you said to do. Will do when weather warms up.
Am new to this forum and don't understand how to use it well. Sorry, if this is a little late.
Am new to this forum and don't understand how to use it well. Sorry, if this is a little late.
My 1967 427 engine stopped without any symptoms (fortunately in front of my house) last September and was able to push car into my garage where it has sat for 4 month now. The engine turns over but there is no ignition whatsoever (not even a pop).
Since I am not much of a mechanic I would appreciate help with a diagnosis. The lights go on; the starter works; the gas pump is working; gas is flowing into the 4 barrel carb. But there is no spark at the plugs. I have a very dated Mallory ignition, points, primary coil, and condensor. The ignition system has not been updated in 40 years.
Is there a master fuse that may have blown; if so where do I find it?
Or do you think it may be something else (ie., coil, condensor??).
Since I am not much of a mechanic I would appreciate help with a diagnosis. The lights go on; the starter works; the gas pump is working; gas is flowing into the 4 barrel carb. But there is no spark at the plugs. I have a very dated Mallory ignition, points, primary coil, and condensor. The ignition system has not been updated in 40 years.
Is there a master fuse that may have blown; if so where do I find it?
Or do you think it may be something else (ie., coil, condensor??).
Burning Brakes
Joined: Sep 2006
Posts: 851
Likes: 10
From: Palm City, FL
Did you ever get this figured out? Sounds like exactly what I have going on right now.
