1984 Ford F150 adjustable vacuum advance

1984 FORD F-150
100,000 MILES • V8 • 4WD • AUTOMATIC
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AGFORDMAN
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how do I find the right area to set my adjustable vacuum advance to? also what should my timing be set at, I have it set at 8 degress? My set up is a ford 302, with a edelbrock performer intake, a holley 390 cfm carb and a duraspark 2 ignition system
Oct 15, 2008 at 6:27 PM
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DOCFIXIT
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You mean where to place vac hose? if so on carb find ported nipple ie. no vac at idle vac as throttle opens.You mean 8 BTDC or 8ATDC if no trouble starting go for 8ATDC. Adjust vac advance to full advance at 1800roms.
Oct 15, 2008 at 6:36 PM
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AGFORDMAN
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[quote:a9228ca4f8="agfordman"]Engine Mechanical problem
1984 Ford F150 V8 Four Wheel Drive Automatic 100000 miles

how do I find the right area to set my adjustable vacuum advance to? also what should my timing be set at, I have it set at 8 degress? My set up is a ford 302, with a edelbrock performer intake, a holley 390 cfm carb and a duraspark 2 ignition system[/quote:a9228ca4f8]no I should have been more clear, Inside my vacuum advance canister on the distributor, there is a adjustment that you can do to make the vacuum advance come on later, or as soon as the vacuum is applied to it. It is a small allenwrench that fits inside of the inlet for the vacuum line.
Oct 15, 2008 at 7:48 PM
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DOCFIXIT
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you want full advance no sooner than 1800rpms.
I would want adv to come on as soon as possible
Oct 16, 2008 at 3:16 PM