kick back while starting
new engine bbc 15.1 comp kicks back when starting and sneze's thru the carb when starting. have 36 total locked timing and the msd programable 7 has 20 degrees retard while cranking. i always crank the engine to spin before ignition is turned on. any help or ideas. i know the flex plate and started wil be trash soon. i have on order a 16 volt battery but still waiting for it. i curently have two yellow top batterys tied together