Stock 69 273 Timing

[bearwolf64]

All

I have a stock 1967 273 with a elderbrock 4 barrel 625 cfm and manual 4 speed. How do I time it?

Bearwolf50

 

[RedFish]

Set it where it runs best.Original tune up specs were for real gasoline.
You didn't say what ignition you're running.
Mine is later model factory electronic ignition, base timming set at 18/19 before. Vacuum advance disconnected.

 

[bearwolf64]

Herb's Parts ELECTRONIC CONVERSION KIT "A" ENGINE Product ID: P3690426
I have set at 40.

Bear

 

[krazykuda]

Herb's Parts ELECTRONIC CONVERSION KIT "A" ENGINE Product ID: P3690426
I have set at 40.

Bear

Try turning it back down to 36° total timing.