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Gen III and IV Small Block & Drivetrain

Air intakes, exhaust systems, do-it-yourself engine tuning, & drivetrain discussion specific to the 1999-2013 generation of full-size trucks and SUVs.

7,041 topics in this forum

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  1. Mechanical Work

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  2. Dash lights

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  3. Factory remote start

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  4. NP263 Logic

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  5. NP261 sychro rings

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  6. advice on engine mods

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  7. 4l60e

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