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Old 04-06-2015, 05:23 PM   #4
geezer#99
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Join Date: Aug 2009
Location: Bowser
Posts: 13,785
Re: Low Vacuum? With good compression?

If your quadrajet with one power piston doesn't like low vacuum, then how did your afb like it. The afb has 2 power pistons.
Your idle problems and low vac are due to lack of timing.
What's your timing curve like?
What initial?
How much mechanical?
How much vac advance?
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