HVH Super Sucker on the way

I just ordered a 1" HVH Super Sucker that's made to work with the Air Gap RPM I picked up awhile ago.
I'm tossing this along with the Air Gap and a Holley 700 DP(because it's laying around LOL) on my 72 Challenger that has a 73 low compression 340 motor a small cam and headers and an electronic ignition. I'm just messing around trying to see how much I can get out of this thing until I rebuild it with some 10.1 pistons and a 528 lift cam.
Still on the list of things to do,
1. Clutch fan
2. A/C water pump
3. ported 308 heads with bigger valves/port match to intake and thin head gaskets.
4.dynomax Ultra mufflers and an X pipe
5. remove the 3.23 gears and get some 3.91's or 4.10's
6. Pro Form Main body? :Would I notice any improvement on a low compression motor?
7. Recurve the distributor.
8. K&N air filter and K&N Xstream top

Anyone got any other cheap ideas, it's a daily driver/hot rod