I ran fine on .045 on my SE when it was SC'ed, but then I had hardly anything else for mods at the time either. It also depends on gas quality in your area, altitude, etc.

I say, try .040, and if you notice no change, switch back to what you were running if it didn't have any problems.

http://www.bnmotorsports.com "And I will strike down upon thee with great vengeance and furious anger those who attempt to poison and destroy my CEG brothers. And you will know I am the Moderator when I lay my vengeance upon you."