Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 427 tri carb runs poorly after warmup
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Old 12-02-2009, 07:37 AM
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The early tri power Vette's had vacuum linkage on the outer carbs from the factory. A popular performance upgrade at the time was a mechanical linkage kit. I happened to be working at the local Chevy dealership in 1969 and I saw numerous kits installed on New Vettes. It did not affect the warranty.

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