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Old 09-10-2005 | 06:12 PM
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w8ye
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From: Shelby, OH
Default RE: Need help tuning my engine
Download the manual here... http://www.osengines.com/manuals/21vzb-vspec-manual.pdf

The high speed needle is the one that sticks out at an angle.

The lowspeed needle is in the center of the throttle barrel on the same side of the carb as the high speed.
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