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Old 06-26-2018, 12:07 AM   #4
Pontiac1976
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Join Date: Oct 2015
Location: Ottawa, Ontario, Canada
Posts: 750
Re: 350 running rich

Quote:3rd- install a vacuum gauge to manifold vacuum & see what it reads.

The best tool for carb, find out Vacuum, fuel pump pressure. ((one of the two of most used reading))
You want try to get the highest Vacuum reading you can @ the idle your trying to reach
when you do try to a just the carb.
.
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1977 REG cab Long Bed with a 1984 Front Clip, 82 305 .60 over 9.0.1 flat top pistons, 4bbl, TH350, w/84 SS-intake & cam , w/ 1977 big block rad, 1975 gear box, 1984 master w/ metric fittings top & SAE fitting @ portion block, 1975 3.42 gear open diff. Duel 77-87 Factory air cleaner, duel inlet from rad support . Down sized 9' to new 8' Steel flat bed
Was a 77 454 w/308 gear. Taken out 550 lbs. up front with motor clip change.
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