hi peoples, still waiting on a fiew things to finish my vortech install but i have i think every thing to play with the spray. i dont have a chip so how can i retard my timing? and is 1 degree good for each 50. the 4.6 is stock exept for PI heads and intake.also what plugs should i be running with the spray? will 100 shot be ok on that plastic intake ? i really appreciate u guys and gals imput, this forum has really tought me some stuff.Please keep up the great advise.