Steve, Here is a pic of jackshaft on 8MA1244. All hex heads except those in the intake.I would assume (hope not ASS _U_ME, mainly me) that the allen heads were not OE. They would have been studs with regular nuts.
With regards to the dipstick why to use an old school in pan set-up
Question for you now; I am replacing the carb. Did you say there were fitment issues with an electric choke?
Denis
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