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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

2 BBL CARB OPTIONS?

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Old Jan 14, 2012 | 04:36 PM
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tmcalavy
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R either of you running much above sea level? Holley recommends dropping 1-2 jet sizes for each 1,000 feet above sea level...thinner air at altitude requires less gas to get a good atomization.
 
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Old Jan 14, 2012 | 09:39 PM
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Originally Posted by tmcalavy
R either of you running much above sea level? Holley recommends dropping 1-2 jet sizes for each 1,000 feet above sea level...thinner air at altitude requires less gas to get a good atomization.
Dont realy know here, Im just north of Dallas Tx.
 
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Old Jan 15, 2012 | 06:56 AM
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Originally Posted by tmcalavy
R either of you running much above sea level? Holley recommends dropping 1-2 jet sizes for each 1,000 feet above sea level...thinner air at altitude requires less gas to get a good atomization.
No, I'm at anywhere from 500' to about 900' depending on where I am in town.
 
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Old Jan 15, 2012 | 07:03 AM
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Not enough in either place to mess with re-jetting for altitude...I think Big D is about 700-800 ft. above sea level.
 
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Old Jan 15, 2012 | 07:32 AM
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Originally Posted by tmcalavy
Not enough in either place to mess with re-jetting for altitude...I think Big D is about 700-800 ft. above sea level.
Thats good, cant see how my truck could run any better than it does now!
 
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Old May 5, 2015 | 12:51 PM
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From: Wine Country, No. Cal.
Is that the factory spacer?
Originally Posted by 1912barry
I know this is an old post but I'm buying this exact carburetor. Did you use the factory spacer> Any long-term drivability reviews for us? Thanks!
 
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