Check your grounding wires behind the heads and such.
2000 Trans Am A4 (WS6 Clone): Bolt-ons (Destroyed by Hurricane Katrina/Rita)
1998 Trans Am WS6 A4: Engine completely built by Lingenfelter, TTII's (Stolen)
1998 Trans Am A4: H/C/I, Y2K DD's, Tuned by Blue Thunder II Racing
2005 Dodge SRT-10 Ram Quad Cab