trying to identify my silverado engine

naveddunn

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Jan 25, 2025
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2008 Silverado 4.3L
long story short, i dont think i have the original engine that came with the truck in 2008. My engines casting number says 234, and when i looked it up it says 4.3L vortec boat engine. Is there a way to figure out which 4.3L vortec boat engine i have? i have to fix a cylinder 6 misfire and can't depend on standard 08 silverado engine info since its a boat motor.
 

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