Re: 69 Z/28 engine stalls of idle
If no spark made from the module as the engine is turning, no timing light will happen.
The module installed, does it have high temp grease between it and the plate it sits on inside the dist housing to prevent overheating? Don't use dielelctric grease as DG will stop the transfer of heat.
Spark plugs are probably fouled due to no heat generated to burn off the deposits - needs to be driven to develop heat.
You might need to advance timing to make it run better. Use a vacuum gauge hooked up to the manifold adjust all adjustments for a max reading. As said, it should indicate 9-10 inches of vacuum at 900 RPM.
Go to WOT and 6K RPM should happen within 3 milliseconds............
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