Well this is for the guys with 90's 5.7 engines, I'm thinking Firebirds LT-1 , GMC Vortecs. I picked up this Granatelli Mass Air Flow Senor for the Suburban. My MAF was carboned up and looking kind of rusty,even though it's some alloy.Granetelli say 22 extra HP, 47% more air flow, improved ignition and...