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Old 04-05-2004, 06:01 PM   #16
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Older carbs (the ones without the insert) had three small slots in the spray bar, I found the idle needle had to be further in on these.
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Old 04-05-2004, 06:41 PM   #17
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Originally posted by fmolzer
NS3 .12:s I just checked the one engine I have left that is not even broken in yet, it acctualy ahs a low end needle setting of 1.75 turns from fully closed. These are all hand modded Novamax engines, but I would not ecept them to be that much different??? My NovaMega .12 really, really did come with the low end needle at 0.75 tuns out. hmmmm. 3.5 certainly sounds very, very rich to me, but it appears that there are some variations here. I checked the Novamax that was n my car during winternats, and it has a lowend of 1.75 turns out and I know that worked on the track for a fully broken in engine.
You could be right. At the factory the needles are set with a flow bench so each carb may be different.

Check this: http://www.teamtrinity.com/tips/nitro.asp

In any event here is the "official" info from the Trinity site:

Novarossi NS12XX or RS12XXXX (General Carb Settings)
Low Speed: 3.25 turns out
High Speed: 4 turns out
Mid-Range: Flush with the carb body
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Old 04-05-2004, 06:59 PM   #18
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all those carb setting could only be used as reference as the back pressure from the pipe makes hugh difference on carb adjustment.
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