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What is my engine

   
Old Oct 5, 2017 | 09:01 AM
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Red face What is my engine
I have a 07 Chevy Silverado with the 5.3 I’m pretty sure it’* a gen 4 but I don’t know what LS model it is I see LS1 LS2 and so on was wondering if someone could tell me how to identify which LS model my engine is.
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Old Oct 5, 2017 | 10:05 AM
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Vin or Chevy Block Casting #*
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Old Oct 5, 2017 | 10:28 AM
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vin is 2GCEK13M771609167
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Old Oct 5, 2017 | 10:37 AM
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Now go look it up
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Old Oct 5, 2017 | 03:47 PM
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Post a picture of your RPO sticker. Like this one....


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