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Engines & Drivetrain

Tech for the 5.3L (L83), 6.2L (L86), and 4.3L V6. Tuning and 6L80 / 8L90 transmission support.


2,739 topics in this forum

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  1. Which Exhaust

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  2. 5th Oil Change? 1 2 3 4 5

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  3. Dump....

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  4. Top speed? 1 2 3 4

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  5. 6.2L Borla S-Type?

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  6. Driveshaft Issues

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  7. Exhaust size?

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  8. Suggestions on cat-back

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  9. Ethanol Free Gas? 1 2

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