Disappointed with my engine

No offense but is that engine even planned? It sounds like you threw together a whole bunch of parts and nothing is matching. J heads with a 5k stall and zoomie headers ?
Look at the intake and a 360 rpm is good to 6k with out internal balance. Sure you can go higher but they don’t like to rev beyond without real work. 360 make a lot of low end torque but HP comes from high revs and you have a lot of bottle necking going on. I’ve built a few 360 for the track in a Demon that weighed 3132 that was 5 gals of fuel and me. 430 rear and 28” x 8 slicks. 69’ 833 4 speed with low first.
12.2 consistently and my reaction times back then was really good- no so much now at 51. Last 360 I built was 441hp at 6200rmp and 426.5 ft lbs at like 4500 if memory is correct. 10.74-1 compression and thermoquad carb.
Anyhoo- don’t expect that engine to run huge HP with out a real plan. You build the whole car not just an engine.
Keep us posted.