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04-19-2005 | 11:33 PM

#12

bhambrent

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Joined: Mar 2004

Posts: 2,026

From: B'ham, AL.

Quote:

Originally posted by Grinder
Hi. The X12 is not the same engine as the NSR12. The NSR is microcast piston, and the X12 is not. Also the timing is different. The X12 is better. The base needle settings for the Mugen X12 are 5.5 turns out on the high speed needle, and 3.5 turns out on the low speed needle. Needle settings will vary dramatically depending on the type of fuel you run, weather, and if the engine has any internal modifications. I have found that on the X12 the low end, and spraybar are pretty close from the factory. The high speed needle is set for break in from the factory.

Can someone tell me what the mid setting should be?

Thanks,

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