Howdey,
I have a 97 integra LS with a 97 JDM B18C swap (type R)
When I get the car to running temp my car has this slight misfire or hiccup... You can actually feel it pop pop pop in the car not extremely noticeable but to me its not right.
I have no check engine light or any other lights going on in the cluster.
I also am running the P73 ecu
Things I've replaced trying to fix

NGK IX Iridium/Spark Plug
The wires are ACCL came with the car look brand new.
OE autozone rotor and dizzy cap
Fuel filter
Injector treatment
I've pulled a plug out each cylinder while running an car dropped on its face each cylinder. I pulled each injector an same thing. I gapped the plugs.
An I have a weird smell coming from my exhaust that I can't identity lol.

Any help would be cool! I'm kinda lost as of now lol
Thanks