Carb Specs?!
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Senior User
Joined: Sep 2001
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Carb Specs?!
- I need the specs on a 1bbl Motorcraft carb of of an '81 300-6. I cannot get it set right and it won't run below 1200 rpm. I can't even find a manual to cover it. I need to know how many turns out the idle mixture screw should be, along with the float setting.
So if any of you guys out there know, gimme a holler.
Thanks in advance
-Dan
So if any of you guys out there know, gimme a holler.
Thanks in advance
-Dan
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Joined: Jan 2008
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Carb Specs?!
The best I can do to help you is scan the instruction from the chiltons manual and send them to you.
If interested,send me a e-mail directly and I'll reply with it.
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=144&.jpg
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=143&.jpg
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
If interested,send me a e-mail directly and I'll reply with it.
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=144&.jpg
https://www.ford-trucks.com/user_gallery/displaythumbnail.php?&photoid=143&.jpg
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Senior User
Joined: Sep 2000
Posts: 162
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From: Castine, ME
Carb Specs?!
I don't think there is a predetermined setting for the idle mixture. use the setting you had from the previous carb to get you started, then once it is warmed up and idling (as good as you can get it), (this is the method I used, so someone correct me if i am wrong). Turn the mixture screw in clockwise until the engine begins to run rough, the back it out a quarter to half turn or so. you will need to fix any extraneous vacuum leaks or exectrical problems that may contribute to rough running before you do this. It took me a long time to get it right. It seemed like every time I went for a drive and thought I had it set properly, I had to make some adjustments. Sorry, but I don't know about the float adjustment as the carb I installed was a reman.
not sure if that helps at all, but good luck anyway
captntim
'86 F150 4x4 SWB 300I6 NP205 4speed
not sure if that helps at all, but good luck anyway
captntim
'86 F150 4x4 SWB 300I6 NP205 4speed
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Senior User
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Carb Specs?!
-Mil1ion, don't worry about that, but thanks anyway. I just wanted to know if anyone knew of the top of their heads. I'll try resetting the idle again. But I'll just have a buddy take a look at it Tuesday. He's a carb genious.
Thanks for the help
-Dan
Thanks for the help
-Dan
