I am building a lq4 out of a 2004 h2 and putting into my 2002 tahoe 4x4 i have a kenne bell non intercooled twin srew pacesetter long tubes magnaflow 2.5 true duels iam looking for a cam, springs , push rods and rod bolts i was thinking of the new gt7 cam and spring package comp cam rods but not sure if i need them longer than stock with this cam and im not sure of the tq size 2800 or 3000 could some one help me out the cam is 208-230 .554 546 1.7 ratio 121, and what type of rod boltls to buy.