Fmu Ratio question

I have a stock longblock with a NOVI 1000 stock pulley, 73mm c&l, 24lb. injectors, eldelbrock intake and the normal bolt ons. Timing at 10btc spout in Runs good but I think its rich and could stand to be leaned out I know it needs dyno tuned to be sure or check the plugs but I don't race it atleast at the track so its tough to get a good plug reading on the street. I am running 38lbs. fuel pressure Idle. I am running the FMU that came with the system should I lean out the fmu and what is the thing set at from paxton? One last thing I am running a 255lph fuel pump Thanks for any help. Lew