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Exactly the same thing that would cause an ignition miss in any other engine.
The question becomes, "how do you know that it's an ignition miss as opposed to a possible burned valve?"
If you're certain it's caused by ignition, check the plugs, cap, wires and the ignition pickup assembly.
have replaced HEI coil button in cap module plugs wires and new carb still have high rpm popping?
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∙ 13y ago
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1976 Chevy spark plug gap with HEI ignition?
small block Chevrolet with HEI ignition is 45
What is the firing order for a 1973 Chevy 350 with HEI ignition?
1.8.4.3.6.5.7.2
What are correct ignition timing settings for a 1967 Chevy 396 with Hei ignition?
12 or 13 degrees
Does a 1968 Chevy use HEI ignition?
It can, but didn't come that way from the factory.
Does the Chevy Nova have an electronic ignition system?
In 74 Chevy went to the HEI system. Prior to that just points.
Where is coil for the ignition system on a Chevy s10 1987?
HEI? inside the distributor cap
When did Chevy pickup start having electronics on them?
1975 for the HEI (High Energy Ignition) system (no more ignition points)
What is HEI ignition?
HEI stands for High Energy Ignition.
Will the distributor plug wire set up be the same for HEI ignition and non HEI Not sure of the year Chevy 350?
The wires are different - HEI ignition wires won't work in a standard distributor - they all go in the same relative places though.
Wheres the timing supposed to be for a 94' Chevy 350 with HEI ignition?
0 Top dead center.
Why would the plug gap on a 1993 Chevy Corsica be 060?
Because it has HEI (High Energy Ignition).
Chevy 327 electronic ignition module replacement?
The 327 cubic inch Chevrolet's distributor had points and condenser and not an ignition module. If you have an ignition module then you have a HEI distributor that was changed out.
