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'73 - '87 GM Truck Modifications
Engine & Performance
Engine Swaps (Gas) LS, Vortec, LT1 , etc.
86 Squarebody with 5.3L LS and P0174 Lean Bank 2 code Full Details
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Jan 27, 2026
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'73 - '87 GM Truck Modifications
Engine & Performance
Engine Swaps (Gas) LS, Vortec, LT1 , etc.
86 Squarebody with 5.3L LS and P0174 Lean Bank 2 code Full Details
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