I built a 383 for my 92 RS. And I'm wondering what the limiting factor is on the motor to upgrade it further.

Specs:
Stock Block, 350 4 Bolt out of a 77ish Camaro, just clearanced for 3.75" Stroke
Stock Rods, Hyper 5cc Flat Pistons with valve reliefs, 0.030" Over, Sealed Power regular old rings.
Eagle 2-Piece Rear Main, Cast Crank, 3.75" Stroke
Heads are Pro-Comp, 210cc, Straight Plug, PBM Valves, CNCed Chamber.
Intake is a Crosswind Alum, Air-Gap Style, Large Port
750 Vacuum Secondary Holley
Summit Racing Cam K1104 (224/224 @ 0.050 w/ .466/.466 Lift, 114LSA)
1.6 Ratio Roller Tip Rockers

I was wanting to know how much power I should be making with this setup and what would be the best part to replace to make more power. I don't really want to Bottle Feed it, and Boost is too pricey right now for me.

 

I was thinking about stepping the cam up but I'm not sure how far to go. I have a ~2kish stall converter out of a V6 and I don't ever lock it up anyway so I'm not too worried about that. This is a daily driver.
The heads are rated up to a 0.550 lift, but I'd rather not push them right up to that limit with the 1.6 Rockers. I was looking at a Lunati Cam (227/233 @ 0.050" .489/.504 Lift, 110LSA)

I am still running the Hooker 2460 Headers with a crappy 3" Y-Pipe dumping in front of the rear end with a Moroso Spiral Flow Muffler. Accel Wires, Edlebrock Drop 3" Air Breather with an AEM Filter.

Side Note: How do you edit your signature again?

 

Looks like your first limiting factor is the cam, and those rockers.

 

Yea that cam is def pretty tame for a 383 IMO. I have a bigger cam than that in my 355 and it does just fine. I think you would be plently happy with it if it had somewhere in the neighborhood of .510 lift or so intake and exhaust. I did a ton of reading up and studying on cams when i went to pick mine and in the end i think i chose well. Id recommend doing the same and figure out what you really want the motor to do. If you want a nice cruiser the cam you have might be just fine. It will def idle better than the cam that i picked.