GMC V-6 ignition question
I have a 63 GMC pickup with a 305, and have noticed there seems to be 2 types of distributors for this engine. Mine has the externally adjustable points (window like v-8 distributors). I think I have seen pictures of other 305s with distributor caps that resemble in line 6 type. Anyone know if there’s a year or model changeover point? Or am I mistaken?
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