Carburator Tuning
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Joined: Jun 2000
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Carburator Tuning
i have a 1980 f150, with a 300 and a 1 bbl carb,
the truck was sitting for a while, but now it runs
smooth with power to spare most of the time, but i
can't seem to get the gas\air mix right, and i've
tried and some times get good speed but poor acceleration, or excellent acceleration with no power once i get up to speed. any tips on how to tune the carburator?
the truck was sitting for a while, but now it runs
smooth with power to spare most of the time, but i
can't seem to get the gas\air mix right, and i've
tried and some times get good speed but poor acceleration, or excellent acceleration with no power once i get up to speed. any tips on how to tune the carburator?
New User
Joined: Jun 2000
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Carburator Tuning
I, always just set mine with a vacum gauge, you might wanna check for a loose carb or intake if it is changing on you if you not sure how to do it e-mail me at pbr12pak(No Email Addresses In Posts!) and i will let you know
New User
Joined: Jul 2000
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Carburator Tuning
You might change your fuel filter too. My 86 would run well up till about 2500 rpm then fall flat on it's face. Then sometimes it had a hard time pulling at all. With nearly 250,000mi I figured it was rebuild time. Somebody said it might be the filter and sure enough that fixed it.
This is only the second filter I put on it since new.
This is only the second filter I put on it since new.
Posting Guru
Joined: Feb 2000
Posts: 1,100
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From: Wichita USA
Carburator Tuning
Raul: You can tune a carb. with a vacuum guage this way. Turn idle mix screw in until RPM drops off ( vacuum will also drop) then turn screw out until you get highest and steadiest vacuum reading and smoothest idle quality.
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