Edelbrock / RHS heads, or go BIG block and put it to bed!

With a 68 Dart like yours, I would think for a while about a big block. Yes, it costs some cash.

If you REALLY would be satisfied with a high 12 second quarter, it should not be hard to reach with your 360. If, a year from now, you wish you were running high 11's... see what I'm getting at? Figure out what you're really after and don't build the car a third time.

I happen to like the Edelbrock heads. They'll let you run a bit more compression and squeak by with premium pump gas. That would mean some machine work, or a piston swap, and I assume that's not in the plans.

I dig the AFB for a mildly built engine.