do you think this could be why i have spark kock i just pulled my intake off to put a ported one on done by champion racing i bought from bowling greene any way after i pulled the old one off i noticed that a piece of head gasket was blown out on the driver side i have champion heads plus they are o-ring but it's not using any water i only have about 3000 miles on a total rebuilt motor but i am going to replace it i have way to much money in the motor my mods are champion heads ta49 turbo 206-206 weber cam 009 injectors atr double pump champion ported intake red armstrong volt booster terrythouston down pipe atr 3-inch exhaust plus i've only been running 16 pounds of boost and 43pounds of fuel pressurei've adjusted the fuel pressure down to 38 and up to 60 pounds and i still have spark knock thanks rob