7000 MI ON MOTOR and i used maxlife synth blend and it started to act like it was out of time and running realy rich ohh i also bent a push rod all occured on the #2 cyl. and the exaust is the damaged one and the bent push rod was the intake. both again was on #2 cyl. TOTALY SUCKS.....I TALKED TO NAPA MANAGER TODAY AND THEY SAID ALL THERE STORES ARE IN A SCRAMBLE TO OBTAIN THE ZDDP ADDATIVE. check out my album on my profile and double clik the pics u can really see alot.<TABLE style="FLOAT: left; MARGIN: 5px; WIDTH: 164px; HEIGHT: 168px" cellSpacing=0 cellPadding=0 border=0><TBODY><TR><TD class=smallfont vAlign=center align=middle> </TD></TR></TBODY></TABLE><!-- END TEMPLATE: album_picturebit --><!-- BEGIN TEMPLATE: album_picturebit --><TABLE style="FLOAT: left; MARGIN: 5px; WIDTH: 164px; HEIGHT: 168px" cellSpacing=0 cellPadding=0 border=0><TBODY><TR><TD class=smallfont vAlign=center align=middle></TD></TR></TBODY></TABLE>