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Home » Public Forums » GMCnet » [GMCnet] Q Jet Set up
[GMCnet] Q Jet Set up [message #142436] Mon, 05 September 2011 09:33 Go to previous message
Arthur Mansfield is currently offline  Arthur Mansfield   United States
Messages: 290
Registered: April 2010
Karma:
Senior Member
I am trying to adjust my Carb. I do not have a stock cam. My vacuum at idle seems lower than normal. I was wondering what is the normal level of vacuum at idle. My reading run 13 to14 on the vacuum gage. I am thinking I need to change the spring on the power piston.

Art & Doris
76 EL
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