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01-02-2004, 11:22 AM
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#1 |
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Registered User
Join Date: Jun 2000
Location: Franktown, CO. USA
Posts: 533
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What does screw do on this carb?
I'm not a carb man......
What does this screw do? Thanks for any help! |
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01-02-2004, 11:26 AM
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#2 |
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Registered User
Join Date: Aug 2003
Location: Louisville, TN
Posts: 338
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I would have to say it's the float adjustment
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PR Too many projects, not enough time! 72SWB 350/350TH, 3500stall,525 lift cam 3:73 posi. Sold! 69LWB Flatbed 350/Super T-10, ported/polished 481 heads, 480 lift cam. 78SWB 468/400TH, ported/polished Alum. heads, 3:42 posi, 3000 stall on 17x8 and 18x9.5's 77 Jeep CJ-5 304V8 fiberglass body on 36" Ground Hawgs |
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01-02-2004, 12:50 PM
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#3 |
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Weapons Of Construction
Join Date: Apr 2000
Location: Colorado, USA
Posts: 1,095
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Fast Idle adjust?
It's a long way from the fuel inlet to be the float level adj.
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1971 GMC 2500, 402/TH400 4.10 Daily Driver Lafayette, CO |
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01-02-2004, 04:59 PM
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#4 |
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Registered User
Join Date: Jun 2000
Location: Franktown, CO. USA
Posts: 533
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Thanks for the responses...
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01-02-2004, 07:41 PM
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#5 |
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Registered User
 Join Date: Jul 2000
Location: Hampton, Ga, USA
Posts: 217
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That is the idle vent valve. At idle or when the engine is shut off the vent releases fuel vapors. The vent maintains atmospheric pressure in the fuel bowl.
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68 Short Stepside, 350, quadrajet, 700r4, 3:73 posi, power front discs, HEI, Factory Air, Tilt, Tach, accelerator cable instead of rod, sway bar. 96 Impala SS 97 Monte Carlo |
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