Mods advice plz!
lid &k&n ,tb bypass,free ram air, ls6 maf, Lt's w ory, corsa,car came w/ ls6 manifold, other mods w/ no hp gains... pro 5.0, w/ lous short stick, bilstein shocks, eibach springs.
coming soon
410's
ported TB or nick williams 90 mm
underdrive pulley
TSP magic stick 3 cam 237/242, .603"/.609"
plus tune....
will igo through springs often with that cam? anything else i should do? i am going to get the heads next summer.what numbers will I get with out the heads? any suggestions on parts to get or change are welcomed.thanks!

