Quote:
Originally Posted by JoeRoge
Hey guys i recently ordered the lingenfelter 630hp package for my zl1.. it’s got a 2.55 upper pulley with hub, solid isolator bearing, ngk tr6 plugs, and 160 degree thermostat, and bando belt. i already have a roto fab cai, and jlt catch can.. i’m ordering 2” tsp headers and local shop told me i need injectors also since the lsa injectors are maxed out with just intake and headers....?? is this true or will the car be fine with the factory injectors?
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Find another shop if they told you a cold air intake and headers are going to max stock injectors. All you have done is increase flow by decreasing restriction, you haven’t increased boost, in fact it will reduce slightly. You will need injectors after putting on the upper pulley and the correct tune.