Carb Car, Fuel pressure, timing,spark plugs ??

My friend have a little problem tuning his -84 Fox.
The engine is a 280hp, GT40, Iron head unit,with an Edelbrock rpm
and Edelbrock 600 carb.
So, what fuelpressure (adj. reg) and timing for this one...?
What type of sparkpluggs to use, and gap...?

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