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Old 04-20-2010, 09:34 AM
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cbmontgo cbmontgo is offline
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Join Date: Dec 2007
Location: Larkspur, CO
Posts: 858
Default Carb jetting for altitude

Where do you guys source smaller orifice sizes for stock Aisin carb jets? I've got a '76 FJ40 that needs to be jetted for this elevation. Unfortunately, the spare high altitude jets seem to have gone away in '74.

Do I just need to replace the primary jets or the others as well? Any orifice size recommendations for our elevation in the Denver area?

Just got this rig up here and it runs REALLY rich. I'm going to rebuild the carb while I'm in there.
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'73 FJ40
'76 FJ40
'96 FZJ80
'00 UZJ100
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