1967 273 4bbl with Edelbrock 500 CFM Carb

Crewdog89 said

So used the timing light and adjusted for 600-650 in Neutral. Came to 3* BTDC. Is that normal? Vacuum advance is capped off

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For a 67 without CAP, no.



This comes from the 1967 Dodge/Plymouth Shop manuals. It may also be in the Operators Manual. I'd have to check mine to confirm that.

I've also plotted out the whole curve if set to the factory initial and using a factory distributor.
Timing Marks on the 273 [66 Barracuda]

Incorrect Timing Adjustment causing heat issues?