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» Northern California Ford Owners     » Automotive   » Tech Talk   » 66 running like crap

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Author Topic: 66 running like crap
gypsy88
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1966 rebuilt 289 bored to a 306, Holley 4 barrel carb. It is a fight to get it to start and stay running. Once it runs and i start driving it it hesitates when i hit the gas. Just wondering if the carburetor needs to be tuned and how to tune it.
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
SacStangDriver
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what size carb. distributor? on points or magnetic pick up?

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Need sidework done at great prices? I work on all makes and models from engine work to gears. Check engine light problems too. 916 912 3493

Posts: 1217 | From: sacramento | Registered: Mar 2008  |  :
gypsy88
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I don't know how do I find out
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
gypsy88
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Would some pics help??
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
4IDFOX
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Could be timing as much as the carb.
Posts: 375 | From: Redding CA | Registered: Apr 2010  |  :
Secnd2nun64
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There should be a part number on the carb. Is this a new problem? What did you recently change to the engine? Post up some pics.
Posts: 1460 | From: CA | Registered: Jun 2002  |  :
gypsy88
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It's a Holley 570cfm
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
gypsy88
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Just got it back from being restored
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
gypsy88
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Just got it back from being restored
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
acmikee
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sounds like a timing issue. whats your timing set at put a vacuum gauge on it should read 18-19lbs.
Posts: 241 | From: fremont | Registered: Apr 2005  |  :
gypsy88
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Where do you put the vaccum gauge on.
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
kingdavid
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I had an issue with my car years ago that was similar to the issue you are having and it turned out to be I was only getting 10 volts to the coil which made it run like crap and hesitate might want to check that also just a thought.

[ 2014-12-29, 03:52 PM: Message edited by: kingdavid ]

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1967 mustang 410W
2014 Oxford White 5.0

Posts: 305 | From: Sacramento | Registered: Aug 2011  |  :
gypsy88
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Check the volt while it's running? What's it supposed to be?
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
Tom Renzo
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11 VOLTS!!

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I spend money i don't have. Building cars i don't need. To impress people i don't know.

Posts: 557 | From: CT | Registered: Sep 2013  |  :
acmikee
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put the vacuum gauge on any vacuum line or the base of the carb or tap into the pcv hose or brake booster.
Posts: 241 | From: fremont | Registered: Apr 2005  |  :
wilit
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Do you have a vacuum gauge, timing light and some sort of tachometer?

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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.

Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003  |  :
4IDFOX
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Does the distributor have points in it ?
Posts: 375 | From: Redding CA | Registered: Apr 2010  |  :
gypsy88
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I think I have a timing light, where can I get a cheap vacuum gauge and tachometer?
Posts: 58 | From: rocklin | Registered: Dec 2014  |  :
Boss 327
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O'Reilly's

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"You'll never truly understand building engines until you can make power N/A. FI overshadows an engines defficiency." Al Papito

Posts: 1789 | From: East Bay | Registered: May 2009  |  :


 
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