I PUT SOMETHING IN MY ENGINE...YESTERDAY NIGHT THAT IS MAKING MY ENGINE NOCK...LIKE MY VALVES...I PUT AN OIL TREATMENT IN..AND I TOOK HER ON THE HIGHWAY TO RUN IT THRU MY WHOLE ENGINE...NOW IT IS NOCKING..BAD...I NEED A COURSE OF ACTION..WHAT SHOULD I DO...I GOT AN OIL CHANGE TO FLUSH THE STUFF...ITS STILL NOCKING..SHOULD I WAIT AND LET THE OIL CHANGE TAKE EFFECT OR DO U THINK IT HAS DAMAGED SOMETHING..I HAD A TUNE UP SUMMER OF 2000...HAVE NEVER HAD ANY ENGINE RELATED PROBLEMS...NOW MY VALVES R NOCKIN _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com