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Ol' Ron · 11-25-2020, 11:41 PM

A lean mixture need more timing, and gives better fuel economy. The best carb for this type of tuning is the Edelbrock 500CFM 4bl. With this carb you can cruise AF in the hi 15 and still have a 13 on acceleratoration.

11-25-2020, 11:41 PM	#22
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,860	Re: AFR tuning A lean mixture need more timing, and gives better fuel economy. The best carb for this type of tuning is the Edelbrock 500CFM 4bl. With this carb you can cruise AF in the hi 15 and still have a 13 on acceleratoration.