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Old 02-15-2021, 08:16 AM   #33
Ken Henry
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Join Date: Jul 2010
Location: Rochester, NY
Posts: 266
Default Re: Let's start a junkyard fuel injection discussion

I was surprised to find that I could not lean out the idle mixture beyond 13:1, similar to what Ron mentions in the timing thread, without things getting rough; maybe a leaner AFR would be possible with port injectors? On the other hand this might result from the combustion chamber shape. A nice thing about EFI, for a modified engine, is that you can easily change AFR or timing with a laptop and see the effect
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