1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

VAC + distributor routing q

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Old 08-17-08, 05:00 PM
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VAC + distributor routing q

Hello,

I have a '79 with a racing beat intake and holly carb. There is a single vacuum hose connected to brake booster from the intake manifold. Now, there is no vacuum line connected to the vacuum advance on the distributor.

My question, can I just cut the vacuum hose and put a t-connector and split the vacuum to the distributor and brake booster? Thanks!
Old 08-17-08, 07:12 PM
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no. the vac signal for the dist needs to be varible with rpm. there should be a fitting on the metering plate on the primary side of the carb. it'll have a rubber cap on it. that is where the vac adv on the dist should be connected.
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