high altitude jet

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boph79

Post subject: high altitude jet

PostPosted: Wed Feb 02, 2011 4:26 pm

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Joined: Tue Jan 25, 2011 3:59 pm
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i have a 68 A100 (225)...i rebuilt it in north dakota, now i moved back to colorado, living at about 8500 feet elevation, the single holley is struggling, it's been trouble since day one, i'm gonna buy another 1920, just curious about what jet i should be using, and where to buy these items...

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Doc

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PostPosted: Wed Feb 02, 2011 5:08 pm

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Joined: Mon Oct 14, 2002 4:32 pm
Posts: 4880
Location: Working in Silicon Valley, USA
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Try this on-line calculator:

http://www.bgsoflex.com/holley.html

Your current jet in a 1920 is likely in the 56 to 58 range.
Be sure to select the "from standard to..." option.
DD