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I'm looking at picking up a Caprice Classic and was wondering if from the VIN you can discern what size/engine it has? IE what digit denotes if it's an LT1 or the baby 4.3? Thanks.

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8th digit is the engine code. "P" will be an LT1 5.7l, "W" will be a L99 4.3l. This only applies to 94-96 (10th digit would be R,S, or T). You can also check the trunk sticker for the RPO code (LT1 or L99). 1991-1993 B bodies were available with 305 LO3 and 350 LO5's, but not 350 LT1's.
 
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