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Re: Six Pack Outboard Air Screws
[Re: FY1TA]
#2693989
09/03/19 02:33 PM
09/03/19 02:33 PM
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Joined: Sep 2003
Posts: 2,966 Wendy, I'm home.
dstryr
master
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master
Joined: Sep 2003
Posts: 2,966
Wendy, I'm home.
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an eighth of a turn, just be careful to seat the screw fully but not overtight before backing it out.
dstryr, since 1986.
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Re: Six Pack Outboard Air Screws
[Re: FY1TA]
#2694073
09/03/19 06:39 PM
09/03/19 06:39 PM
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Joined: Aug 2003
Posts: 43,007 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,007
Bend,OR USA
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It depends on your altitude, gasoline used and the camshaft I would start with between 1/3 to 1/2 turn out from gently bottomed out, set the center carb idle mixture screws 1 1/2 turns out from gently bottom in all the way The end carb closet to the fire wall is the worst one to set properly, take your time and reset the center carb up last after your happy with idle speed and mixture adjustments with the other two
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Six Pack Outboard Air Screws
[Re: Cab_Burge]
#2694105
09/03/19 08:32 PM
09/03/19 08:32 PM
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Joined: Sep 2005
Posts: 1,890 In the 8's
FY1TA
OP
top fuel
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OP
top fuel
Joined: Sep 2005
Posts: 1,890
In the 8's
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Its a 70 340 with a 509 cam. I let it sit for a couple years and they got plugged up. Took them apart and carb cleaned everything . Now it acts like it got a vacuum leak or one of the secondaries is open.
Last edited by FY1TA; 09/03/19 08:32 PM.
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Re: Six Pack Outboard Air Screws
[Re: Cab_Burge]
#2694160
09/03/19 10:44 PM
09/03/19 10:44 PM
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Joined: Jan 2003
Posts: 9,436 Blair County,PA
62maxwgn
master
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master
Joined: Jan 2003
Posts: 9,436
Blair County,PA
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It depends on your altitude, gasoline used and the camshaft I would start with between 1/3 to 1/2 turn out from gently bottomed out, set the center carb idle mixture screws 1 1/2 turns out from gently bottom in all the way The end carb closet to the fire wall is the worst one to set properly, take your time and reset the center carb up last after your happy with idle speed and mixture adjustments with the other two Of all the carbs I have restored,I have found that the amount of turns differs depending on application.If the plugs are still intact I know they haven't been messed with.I usually always seat them counting the turns.I have found anywhere from 1/8 to 3/4 on small block and as much as 2 on a big block especially on A12 cars,however none are consistent by application.
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