What is the difference between 1st and 2nd gen 4.3 vortec engines?

Asked by May 02, 2010 at 08:34 PM about the 1994 Chevrolet S-10 Blazer 4 Dr STD 4WD SUV

Question type: General

1 Answer

65

not much of a difference. Basically the intake and fuel injection were redesigned and updated.

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