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Old 10-14-2009, 12:46 AM   #1
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Questions?? High end Screw rattling lose?

Hi i took my car for a run today and it seemed sluggish at the top end so i adjusted the high end screw did a high speed pass went great turned around and then it became sluggish again and when i got it back to me the screw is vibrating itself out. is thier an easy way to fix this or what do i have to do?

Thanks in advance
Tony
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Old 10-14-2009, 06:19 AM   #2
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Sounds like you need new o rings
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Old 10-14-2009, 06:22 AM   #3
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What motor?

I had this problem with an RB onroad motor once. For some reason it only had 1 o-ring on the needle. Local shop had a needle in stock with 2 o-rings. It was much tighter and cured the problem.
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Old 10-14-2009, 07:19 AM   #4
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Quote:
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Sounds like you need new o rings
+1 new o rings
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Old 10-14-2009, 09:33 AM   #5
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+1 new o rings
x2


although i have heard two different local people. one intermediate and one expert ran a serio engine, new might i add. and in the first race the needle screwed it self in on two DIFFERENT engines
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Old 10-14-2009, 02:07 PM   #6
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cheers guys just wasnt sure where i should start looking.
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Old 10-14-2009, 02:07 PM   #7
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What motor?

I had this problem with an RB onroad motor once. For some reason it only had 1 o-ring on the needle. Local shop had a needle in stock with 2 o-rings. It was much tighter and cured the problem.
the motor is a power racing .27
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