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Author Topic: low vac  (Read 1663 times)

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fryedaddy

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low vac
« on: June 04, 2017, 03:07:02 PM »
i hooked a vac guage to my carb today.what are some reasons for low vac at idle.i could not get it above 6
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Heo

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Re: low vac
« Reply #1 on: June 04, 2017, 03:49:27 PM »
Vac leak,ign timing,idle fuel mix....big cam...
Bad rings
« Last Edit: June 04, 2017, 03:53:34 PM by Heo »
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gdaddy01

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Re: low vac
« Reply #2 on: June 04, 2017, 04:35:16 PM »
hooked to carb or intake manifold ?
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Drew Pojedinec

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Re: low vac
« Reply #3 on: June 04, 2017, 06:10:36 PM »
Quote from: Heo on June 04, 2017, 03:49:27 PM
Vac leak,ign timing,idle fuel mix....big cam...
Bad rings

Or testing vacuum from a ported area.....
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