critique my 340 w2 combo please

Here is what I have to peice together a combo for a 72 dart. It will be a mostly street car running a viper t56 6 speed with a .50 od sixth gear.

Short block is a rebuilt forged crank 70 style trw flat tops .036 above the deck (verified).

Heads are 810E w2's. 2.05 intake 1.60 exhaust. Chambers are 66cc open chambers. Lost the flow sheet on the heads but remember the flow 198 at .300, 260 at 500 and 270 at .600 lift.

Cam is a racer brown hydraulic roller, 236 at .50 on the intake and 241 at .50 on the exhaust. .545 lift 108 lsa and installed at 106.

Intake is an M1 single plane, copy of the holley street dominator, plenum ported. It will be setup to run port efi.

My question is how will this run on the street? Will it be a slug until 5k? What should it make for horsepower, compression looks like pump fuel may be questionable.

With Jim doing the cam and 5 gears how could it be a pig down low?