So then why is it called total timing? Total timing should be initial+mechanical+vacuum right? The vacuum line should be unhooked from the distributor and blocked on the carb side to establish initial timing at idle and then hooked back up to attain total timing .
I have initial set at @16 degrees BTDC and the mechanical is covering the other 20 degrees with no vacuum advance hooked up.. If I hook up the vacuum advance i get 50+ degrees of total timing.
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