GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Intake Manifold

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Old Dec 4, 2006 | 06:12 PM
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JOHN LAWSON's Avatar
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Default Intake Manifold

Any one have the gaskets go bad on a 5.3?
Or the manifold warp out of shape.
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Old Dec 4, 2006 | 06:14 PM
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the plastic manifold shouldnt warp..but it is a possibility the rubber gaskets might have gone bad..whats the truck doing?
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Old Dec 4, 2006 | 06:17 PM
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Sucking air around the gaskets so bad it wont hardly idle and went into reduced power. it seems the colded it gets the worse it is
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Old Dec 4, 2006 | 06:19 PM
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lol well you found your problem just replace the gaskets. when i had to put in new knock sensors my gaskets were black and looked like they may have been leaking but i couldnt hear it.
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