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Old 07-28-2008, 11:12 PM   #1 (permalink)
68greengoat
 
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Join Date: Sep 2005
Location: Northern Wisconsin
Posts: 65
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Decoding Engine Codes

Hey all,

I have a '68 GTO with a '73 Pontiac 455. Decoded the carb and found out it was a '73 Olds. Knowing I had a '73 engine I thought maybe it was an Olds too. After some quick decoding, thankfully it was Pontiac. Anyway, I'm getting off track. My question is, is there any way by looking at the engine code you can tell what car it originally came from? I know the last 6 digits are for matching the v.i.n. The beginning 23 of the engine code is "2" for Pontiac and "3" 1973. I was told a Tempest, but have no reason to believe that is true. Is there another code on the engine that designates what vehicle it was in? Any help is appreciated....
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