ok in january 08 my 2002 grand prix se blew a head gasket so in feb wen i got my irs refund i spent close to 2500 an just went ahead an rebuit the whole engine i didnt even make it through the break in period an spun a rod bearing it ate up the crank so bad it couldnt be turned an sent shavings through the whole engine an seized up a lifter causing it to take chunk out of a cam lobe