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09-05-2011, 02:17 PM
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#1 |
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Registered User
Join Date: Oct 2010
Location: ruston la
Posts: 169
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carb question
When I am floor it from a dead stop my truck stalls spits spudders then takes off. I am running a holly 750 on a 355 anyone have any ideas of how to stop this ? My carb is really down jetted.
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09-05-2011, 02:43 PM
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#2 |
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Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: carb question
sounds like a big carb for that motor...
__________________
John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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09-05-2011, 04:28 PM
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#3 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: carb question
You need a much better discription that "Holley 750".
There should be a list number on the front of the choke horn, post that. "Down jetted" concerns me. Who did it and why? Do you know what jets are in it? My first thought is that you are having a big "lean stumble", but we need more information.
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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09-05-2011, 04:34 PM
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#4 |
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Registered User
 Join Date: Nov 2007
Location: Hermiston, OR
Posts: 947
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Re: carb question
Guessing that carb was running pig rich on a 350 so he ran smaller primary jets.
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Running in place gets you nowhere fast. -me 1968 GTO 4-spd covnvertible 1970 K-20 4-speed, factory AC. |
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09-05-2011, 08:47 PM
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#5 |
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Just a car guy
Join Date: Feb 2006
Location: New Washington, IN
Posts: 991
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Re: carb question
Sounds like it needs basic tuning.
Posted via Mobile Device
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1955 belair Blown Pro Street cruiser 1971 Camaro Pro Touring 1973 Vega Drag Car 1970 C20 tow rig |
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09-05-2011, 11:00 PM
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#6 | |
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Registered User
Join Date: Mar 2011
Location: Los Angeles, CA
Posts: 152
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Re: carb question
Quote:
All adjustment / overhaul instructions can be downloaded from the tech section at Holley.com...no charge...just find your carb and print the info...I'd purchase the parts at Summit Racing...they have the best prices. |
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09-06-2011, 04:32 PM
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#7 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,224
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Re: carb question
The first thing I would check would be the float levels. There is a plug on the side of the fuel bowls. Remove these plugs & the fusl level should be at the bottom of the hole. You use the adjustment on top the bowl to change it.
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