CHevy 350 timing marks

beav350

NAXJA Forum User
I have a YJ w/ a "72 Chevy 350, I just put the motor in to replace a 305.
I also have a dumb question: I'm getting ready to set base timing, & the timing marker has a scale from B to 0 to A, with hash marks between. it doesnt have any #'s other than 0, so I don't know if each hash mark indicates 1 deg, 2 deg, 3 deg, or even 5 degs. Does anybody know?
:smoker:
 
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