Hey all. This is my first post and i'm lovin the site so far. I have an AU2 xls V8 as my name suggests. mods are as follows. Pacemaker extractors, 3 inch exhaust, porting of the gt40 (iron) heads, tickford intake. I'm contemplating a new manifold/mas sensor (?) change before thinking cam down the track. It's an auto but a lil different with a c10 3 speed... long story, was super charged (vortec) i'm a lil shy of spending the money needed for boost now (car becomes a money pit). Also wondering comp tuning ect and what pwer i should have and then what i can hope to expect! Thanks for any help here.