This past winter i ran into a deep puddle and sucked up some water w/ my cold air. I got everything fixed (I think...) and i raced my friend i lost bad... I never ever lost to him. Me and my friends have done a compression test and leak down test on my car but everything was fine. Could you guys tell me what else could be wrong and what i should do???

 

no, if you had a serious problem due to hydrolocking, you would be replacing the engine.... maybe your plugs are fouled

 

actually, i already replaced plugs. could my o2 sensor(s) in my CAT convertor be messed up.
FYI: Low end is fine, top end is where i lose.

 

Check your friend's car for a bottle!

 

maybe trying to get your car dyno'd would show if the power has lost its touch.