if you decide to richen the jet
do it with a reamer instead of a drill bit. Works better.
And, a little at a time...careful to not overdo it. dismounting and remounting the carb is a pain and may take several tries. Also, be sure your jet is the aerated type.
.003 is actually a lot more fuel flow.
RV-4 N8ZD Sold
Phat -4 under construction
regular VAF donor despite being exempt