Spool on the street ?

There's nothing confusing about using a spool; it's for dragracing trailer queens only.

I would just leave the stock SureGrip in there with a set of 3.90 gears. Then put an overdrive transmission behind the engine.
There's no such thing as a combined one-deal car that is good at dragracing, autocross AND daily driving.
Just focus on 'spirited' daily driving. This will mostly also cover autocross, and it's the function that gives the most pleasure most of the time.