Will Vortec 4.3 motor out of 1997 Blazer fit my 2005 GMC sierra 1500 truck

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Asked by Dec 09, 2012 at 05:45 AM about the 2005 GMC Sierra 1500 SLE Standard Cab LB

Question type: Maintenance & Repair

1 Answer

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there were minor changes from 96 till the end of the 4.3. It will fit, but there are a couple sensors (cant think of them) that changed in size after 99, there are ways around this but it's doable. Now the 97 uses the older spider injectors with only 1 injector, after 99 they used 6 individual injectors. The 6 individual is a better system and if you can use yours.

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