4.3L V6 Performance

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Oct 27, 2010 | 02:57 PM

#11

timber74wolf

TruckForum Addict

Joined: Apr 2008

Posts: 818

From: Houston, Texas

My 5.7 out did my mother's 4.3 in everything including the fuel economy. She even had 373s like I did too. It was a good motor, but my 5.7 did much better. And they were both 1500s.

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