FE Power Forums

FE Power Forums => FE Technical Forum => Topic started by: fryedaddy on June 04, 2017, 03:07:02 PM

Title: low vac
Post by: fryedaddy 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

Title: Re: low vac
Post by: Heo on June 04, 2017, 03:49:27 PM

Vac leak,ign timing,idle fuel mix....big cam...
Bad rings

Title: Re: low vac
Post by: gdaddy01 on June 04, 2017, 04:35:16 PM

hooked to carb or intake manifold ?

Title: Re: low vac
Post by: Drew Pojedinec 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.....