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4.3 Vortec
I have the same 4.3 / 4x4 truck configuration with a Chevy badge on it. Extra cab body style and get between 17 and 20 mpg now. Was 20 mpg when I bought it from 1st owner at 124,000 miles. Now 201,000 miles and still cranks like a new one, no oil consumption between changes. Ask the owner if...