If he is running pump gas the plugs could be white so he may not be lean.

I have that same cam in my street car. .030 over 440 11.1 with MW ported indy SR heads and ported indy DP intake, 3.55 gear with 2.77 first gear set. My tank weights 3900 lbs. I think the reason that cam works well in my combo is the DP intake.