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Jrappl · 11-22-2020, 07:45 PM

Carb is new and choke disengages completely after warmup.

As I have already mentioned I adjusted the carb and have 19.5" of vacuum, the needle does move a little but adjusting the carb does not stop that - it has to do with the miss. As I also mentioned I have had the heads off during the rebuild, cleaned everything, lapped the valves, checked the guides and installed new seals, springs and retainers. All valves moved smoothly through the guides. I have also had the engine running with the valve covers off and they all move just like they should.

This is a 1959, there is only one vacuum system - the wiper motor and I have plugged that line while trying to get this running right. There is also the ported vacuum advance line from the carb, which is new and as has been tested and the advance is working correctly.

11-22-2020, 07:45 PM	#28
Jrappl Junior Member Join Date: Aug 2020 Posts: 29	Re: Miss on newly rebuilt 292 Carb is new and choke disengages completely after warmup. As I have already mentioned I adjusted the carb and have 19.5" of vacuum, the needle does move a little but adjusting the carb does not stop that - it has to do with the miss. As I also mentioned I have had the heads off during the rebuild, cleaned everything, lapped the valves, checked the guides and installed new seals, springs and retainers. All valves moved smoothly through the guides. I have also had the engine running with the valve covers off and they all move just like they should. This is a 1959, there is only one vacuum system - the wiper motor and I have plugged that line while trying to get this running right. There is also the ported vacuum advance line from the carb, which is new and as has been tested and the advance is working correctly.