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Loose High Speed Needle screw...

Old 07-12-2009, 08:26 PM
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dabull24
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Default Loose High Speed Needle screw...

I just installed a used O.S. CV-R engine in my mgt 3.0 and the HSN screw is loose. When I tune the engine the HSN turns in after less than a minute of riding, causing the truck to lean out. How can I fix the HSN to stop from turning in by itself?
Thanks!
Old 07-16-2009, 03:02 PM
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The_Collector
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Default RE: Loose High Speed Needle screw...

The o-ring on the valve is worn/ shrunk. The part number for the o-ring is 27881820. $2.99 at Tower.

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