tjbolsby

anyone know how much power you can make with a cam upgrade and stock gt40 heads and intake

jthorn9

Which cam? Generally Gt-40 head/intake setup alone will put you around 200-210 rwhp, a cam can add up to another 20 depending on how aggressive you go.

jthorn9

Also, keep in mind, my numbers may be a little understated as people tend to have varied results with GT-40 parts as there are several variations of GT-40 intakes and heads, I'm talking GT-40 Cobra intake w/ GT-40 Cobra iron heads.

OneGearhead

stock gt40 heads, as in the GT40P cast heads off an Explorer/Mountaineer or GT40X aluminum heads?? i would guess with a manifold, heads and a b(more duration) or e(more lift) cam probably 260-270hp(at the flywheel). i may be wrong though so dont hold me to those numbers

tjbolsby

im talkin stock heads and intake off an explorer and a b303 cam with 1.6 ratio roller rockers

OneGearhead

completely stock heads, or worked over any with a port/polish job? if COMPLETELY stock, id say 260 at most....but again, i may be totally wrong.