What size jet to run..

[3x440ex]

What size jet would you run with these mods..

Chock removed from carb.
Airbox lid removed with w/b air filter.
Head ported.
w/b all around cam
w/b pro meg exhaust.

stock bore/ stock compresion

I'm running a 175 main now... my low end sucks but pulls good around half throtle...

Thanks in advance.

[AtvMxRider]

I would run a 165 main and a 42 pilot.