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tglander
PostPosted: Sat Feb 01, 2003 11:14 pm 
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2 BBL ''SuperSix''

Joined: Sat Jan 25, 2003 12:52 am
Posts: 19
Location: Murrieta, CA
Car Model:
What actually controls the amount of fuel that sprays down the Holley 1920 throat? Is it the main jet? Or something else?

Does the main jet control lean or rich mixture?

Thanks for answers. :o
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Doctor Dodge
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PostPosted: Sun Feb 02, 2003 9:26 am 
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Joined: Sat Oct 12, 2002 11:22 am
Posts: 3740
Location: Sonoma, Calif.
Car Model: Many Darts and a Dacuda
The main jet controls the basic fuel flow. (once off idle and into the main feed circuit)
The Holley's have a "powervalve" which is vacuum activated and adds0in additional fuel when more power is needed.

Trivia Question:
There are five (5) fuel circuits in the Holley carb. (systems for controling fuel flow & enrichment)
Can you name all five?
DD
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tglander
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PostPosted: Sun Feb 02, 2003 10:09 am 
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2 BBL ''SuperSix''

Joined: Sat Jan 25, 2003 12:52 am
Posts: 19
Location: Murrieta, CA
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:shock:


Last edited by tglander on Sun Feb 02, 2003 4:47 pm, edited 1 time in total.

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Slant Cecil
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PostPosted: Sun Feb 02, 2003 4:38 pm 
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Joined: Fri Nov 01, 2002 5:29 pm
Posts: 963
Location: Eustis, FL
Car Model: '68 V100, '68 V200, '79 Aspen, '84 D100
5 fuel delivery systems:
Accelerator pump
Main jet
Power valve
Idle port
Transfer slot

Cecil
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james longhurst
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PostPosted: Sun Feb 02, 2003 6:31 pm 
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Joined: Wed Oct 23, 2002 7:06 pm
Posts: 729
Location: Asheville, NC
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call 'em right foot for short!

-james

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