carbon foul

  1. Clint426

    Engine Misfire And Carbon Fouling Plug On Cyl. 4

    Been trying to figure out a carbon fouling plug issue mainly on #4 and a bit on #8. All other plugs look fine. First will fill everyone in on what the engine is. Block: 408w (351w stroker) Heads: AFR 220 Intake: Super Vic EFI Cam: Compcams XFI 248 hr Ecu: PiMP (microsqirt basically) I'll stop...