there are people on here say that a bigger TB is not needed, that there MAY be a slight increase in air flow yet is not economical.
i am going to use Scorpion 1.7" rockers on my rebuild with the VooDoo 60102 Lunati cam..but I am building for torque.
More valve lift = torque
More valve diameter = HP
check with KW Barka and Dynamic396.. i am sure they steer you right with what you want. they know about dynamic and static compressions, quench area, and formulas that make the right combos.
also port your intake. to match your heads.
'00 Safari SLE with '95 4bolt 355 LT1; decked .010'', hand ported 374s & intake (David Vizard tech), 1.94/1.5", farmed out EFI 24x, 2001 LS1 pcm, VooDoo 211/219*, w/1.7" rr .574"/583", 4L60e, shift kit & corvette servo, G80 GT4, 3.73:1, ported & massaged Granny's Speed Shop headers, true duals, 2 long Cherry Bombs used for resonators, 2 long Thrush Turbo mufflers, local tune under an Oak tree. 5 year project/swap.
Last edited by wdmickjr; 12-24-2012 at 11:58 AM.