MY SON WENT TO JUMP START THE CAR AND WHEN HE TRIED TO START IT THE ENGINE BLEW UP . THE INTAKE MANIFOLD FLEW OFF IN MULTIPLE PIECES. HAD CAR TOWED TO MY MECHANIC AND FOUND OUT THE CYLINDER WAS DEAD DUE TO THE EXPLOSION. THOUGH WELL THE CAR HAD A LOT OF MILES, SO I THOUGHT IT WAS JUST ITS TIME. SO WE DECIDED TO BUY A RE-MANUFACTURED MOTOR BECAUSE WE HAD PUT SOME WORK INTO THE CAR AND MY SON AND I THOUGH THAT WOULD BE A GOOD CHOICE. EVERYTHING WAS GREAT WITH THE NEW MOTOR TILL NOVEMBER 30TH 2014 WHEN WE NEEDED TO JUMP START THE CAR, AND THE ENGINE BLEW AGAIN THIS TIME TAKING OUT THE FUEL LINE ALONG WITH THE NEW INTAKE MANIFOLD AND THE ENGINE COVER. THE CAR STARTS ON FIRE AND LUCKILY THE FLYING PARTS MISSED MY SONS GIRL FRIEND BY INCHES AS THEY FLEW BY HER.SO I KNOW NOW SOMETHINGS UP. AND I FIND THAT GM HAD DEFECTIVE FUEL REGULATORS THAT WERE RECALLED (04V090000 RECALL#) ON THE 2000 MODELS WITH THE 3800 SERIES 2 ENGINE. NOW I KNOW WHY MY ENGINE BLEW BECAUSE THE FUEL REGULATORS ARE POOR DESIGN. NO CAR NO MATTER HOW OLD ARE HOW MANY MILES SHOULD BLOW AN ENGINE WHEN YOU JUMP START IT. BATTERIES YES ENGINES I WOULD THINK NEVER BUT WHAT HAPPEN TO ME IS THE SAME AS THE RECALL NOTICE AND I AM THANK FULL NO ONE WAS HURT. *TR