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alexiskai · 01-27-2023, 01:56 PM

One thing that's helpful is to troubleshoot it just on the idle. By which I mean, keep the RPMs under 500. That will keep you on the carb idle circuit, which is simpler in design. The GAV should have no effect at that speed. You say the engine dies when you adjust the idle air mixture all the way in – are you running a Marvel or a Zenith?

01-27-2023, 01:56 PM	#3
alexiskai Senior Member Join Date: Apr 2018 Location: Mebane NC Posts: 3,179	Re: long warm up One thing that's helpful is to troubleshoot it just on the idle. By which I mean, keep the RPMs under 500. That will keep you on the carb idle circuit, which is simpler in design. The GAV should have no effect at that speed. You say the engine dies when you adjust the idle air mixture all the way in – are you running a Marvel or a Zenith?