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deuce_roadster · 04-01-2024, 07:15 PM

Take all the plugs out and do a compression test on all cylinders at wide open throttle with someone helping you. Maybe there are some intake valves that are not opening. If it were mine and I eliminated all electrical problems including the coil, I would take the intake off and check the valve adjustment.
Also, beautiful show cars often have poor grounds. Is the coil wire giving you a bright blue spark about 1/2 inch?

04-01-2024, 07:15 PM	#17
deuce_roadster Senior Member Join Date: Oct 2011 Location: Shelton, WA Posts: 3,809	Re: At a loss. 1949 Ford flathead V8 Take all the plugs out and do a compression test on all cylinders at wide open throttle with someone helping you. Maybe there are some intake valves that are not opening. If it were mine and I eliminated all electrical problems including the coil, I would take the intake off and check the valve adjustment. Also, beautiful show cars often have poor grounds. Is the coil wire giving you a bright blue spark about 1/2 inch?