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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.

6,444 topics in this forum

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  1. Mechanical Work

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  2. Differential Gear Oil LS

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  3. Are gt5 and gt4 rear ends interchangeable?

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  5. Misfire help!

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  6. What did I do?

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