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Old Apr 6, 2002 | 07:57 PM
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holly 4412s

I just installed a new Holly 0-4412s carburator on a 302 in my 1977 F100. It appears to be flooding itself on start up. I am greatfull for any help offered.
 
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Old Jul 23, 2002 | 09:44 PM
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holly 4412s

we use 4412's on our stock cars, if your carb is new this might not be the problem. you have a center hung float bowl. on the front you will see an adjustment for the float. it looks like a sloted screw and a nut. the screw is the adjustment and the nut is the lock. this operates a needle and seat. back off the lock and remove the needle and seat ( the screw) if the needle is sticking in the seat, fuel will continue to fill the bowl and will cause flooding. the needle should move freely up and down. it's a cheap part to replace if this is the problem. when you reassemble the bowl adjust until the float is parralell with the bottom of the bowl. good luck
 
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Old Jul 23, 2002 | 10:01 PM
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holly 4412s

like previsiously posted check youe floats
 
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Old Jul 25, 2002 | 11:08 AM
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holly 4412s

 
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Old Dec 13, 2007 | 09:37 AM
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how do ford 2150 carb and holly 4412 compair. Ive been thinking i should conver my chev 305 to a 2150 since the rotchesters works like crap. never had any problems with ford carbs.
 
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Old Dec 13, 2007 | 10:12 AM
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Similar, the 4412 is a 500cfm carb with manual choke. Same bolt pattern as the 2150.
 
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Old Dec 13, 2007 | 04:20 PM
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quintcy
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From: high level ab. ca.
has any one out there ever put a motorcraft 2150 carb on a chev. I know the holly will fit with the right adapters {mounting and kick down} but I allready own a few good motorcraft carbs. Any one ever gave this a try.
 
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