Ok so did the mirror gig like the guy at GM said on the back of the engine,.....zero. This is the number I got behind the alternator. I really need to know the size and the year it was built. Thanx to you guys,...the only source I trust. Cheers ! p.s I,m doing the engine code website thingy right now so I must be over looking or just a dam rookie wrench fetcher...lol. Number V0312WI
