360 HP estimate???

Hey guys the 68 dart I just bought has a great sounding motor. Taking it to the track tomorrow night and was wondering if anyone may be able to help me with the HP estimate

360 .60 over
Kb 10.5-1 pistons with stock 72cc heads
Xe274H cam
Open headers
Stock intake
Holley 600 carb (going to an airgap and 750 holley DP soon)
Electric water pump and fan
Msd6al
Pro billet dist

The car itself has 28x9 slicks
Ladder bars
2600 stall
Manual valve body 727
8.75 rear axle with 4.56 gears i believe

Anyone wanna guess the ET also? Let me know if i left anything out.20180702_190649.jpg