Spark plug gap on my chevy?

[DR.Frankie]

What is the correct spark plug gap for my ac delco plugs on my 1968 396 .Is it 32 or 35 for the gap

 

[dangerII]

35 thousandths is what I use it just a standard gap.

 

[dangerII]

35 thousandths is what I use it just a standard gap.

 

[Bob H]

Either one, 32 will move the timing up; 35 will retard it slightly.