Author Topic: Carb Theory Question  (Read 563 times)

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Offline Goldbug

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Carb Theory Question
« on: July 29, 2011, 08:59:21 AM »
This is a hypothetical situation I'm trying to wrap my head around.

Here's the scenario. You put in a more aggressive top-end oriented cam. This reduces your vacuum at idle and thus your fuel requirements. Now here's the question. Do you reduce the size of the slow speed jet, increase it or keep it the same? Reason being, while your fuel requirements go down, vacuum is also what is drawing fuel through the jet.