Whats up guys:SNSign: ...well heres what i need some help with i have a 94 vert aode.....a new 306 with new wires plugs etc with maybe 4000 miles on it....Cast GT40 heads..shorty headers...160 thermostat...B303 cam..underdrive pullies..Upper/lower intake..75mm mas air....24 lbs injectors..373 gears.....i am wanting to add long tube headers,fenderwell mount intake,throttle body and MSD....But my question is which size throttle body should i get and what kind of MSD should i get to go with this setup i have.........and what kind of numbers on the dyno should i be lookin at...please guys help me out christimas is jus around the corner....