mikuni carb setup

I’m gonna run a Coffman rocket pipe and the twin Mikuni 40i’s on the winter build, should I run the carbs as is with some screwdriver tuning? Or would it be better to have them jetted specifically for the pipe. If so, does anybody know the jetting and other carburetor settings required?

I’m just about to finish painting and putting my ski back together, but I need to figure out the carb situation. Jets, springs, new needles and seats possibly. I’m running dual 38s, ada head with 35cc domes, lightened flywheel, solas 144mm 12 vane pump, 9/15 impeller, and a riva red pipe. Let me...

I’m building a wave blaster right now, and I’m running dual mikuni sbn 38s inline, with a protec manifold. There’s one pulse fitting on the manifold, along with what looks like a plug in the rear pulse fitting. Is this the proper way to run this setup or should I have the two pulse fitting...