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Old 10-10-2007 | 07:02 PM
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Flying Geezer
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From: Bowling Green, KY
Default ENGINE TUNING
I have had to lean my low-end carb needle on an O.S. Hyper substantially. Changes preceeding the need for re-tuning are:

Replaced clunk lines with very small diameter Hayes neopren.

Local temp has dropped about 20-25 degrees F.

How often do you have to change needle settings? What are the usual causal conditions?
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