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Old 04-28-2024, 12:35 PM   #1
cadillac_al
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Join Date: Oct 2013
Location: Maine
Posts: 2,340
Re: Quadrajet 350SBC Tuning Advice

a couple more thoughts:

you need the vacuum pull off for the secondaries

your fuel pressure is definitely suspect and you should be able to test it with your vacuum gauge.

usually manifold vacuum to the distributor works best.
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