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smac
 Post subject: M5 SU needle
PostPosted: Wed Apr 03, 2013 6:41 am 
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These are fixed .090" jet needles, currently sitting in a pair of 1 1/4's. Anyone know if this was the standard needle for anything, or know anything about them? Can't seem to find a lot online. Ta
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simon k
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PostPosted: Wed Apr 03, 2013 7:16 pm 
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dunno - it looks like a richer idle version of the standard cooper S 'M' needle, then slightly leaner at wide open

http://www.morrismini.com/SUNeedlesV2.a ... &size=.090

I have AH2's in dad's 1310/RE13 which are pretty good just for a comparison

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surtees
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PostPosted: Wed Apr 03, 2013 8:16 pm 
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Looks like a great chart Simon is there a cheat sheet on how to use it?

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smac
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PostPosted: Thu Apr 04, 2013 5:26 am 
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simon k wrote:
dunno - it looks like a richer idle version of the standard cooper S 'M' needle, then slightly leaner at wide open

http://www.morrismini.com/SUNeedlesV2.a ... &size=.090

I have AH2's in dad's 1310/RE13 which are pretty good just for a comparison


Okay thanks. SO perhaps been running on a standard big bore motor (as opposed to S I mean).
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drmini in aust
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PostPosted: Thu Apr 04, 2013 7:27 am 
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M or AH2 needles were commonly used in twin 1-1/4 SUs on 1098 motors with sports filters.
Years ago I built 2x 1220 Sprite motors with them in.

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smac
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PostPosted: Thu Apr 04, 2013 7:29 am 
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drmini in aust wrote:
M or AH2 needles were commonly used in twin 1-1/4 SUs on 1098 motors with sports filters.
Years ago I built 2x 1220 Sprite motors with them in.


OK so maybe running on an 1100 :lol:
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