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SU needles - for dummy (me)
https://www.ausmini.com/forums/viewtopic.php?f=2&t=77890		 Page 1 of 1
Author:  FNQ [ Fri Aug 03, 2012 5:06 pm ]
Post subject:  SU needles - for dummy (me)
Hi all
I have only seen 90thou fixed needles up close, and piccies of the swinging sort.

Am thinking of 'playing' with my twin hs4 set up .. currently running #3s on a mild to warm 1310.
Using Simons SU Needlethingy comparo or similar(mintylamb etc) some needles have 13 stages (presumably at 1/8in) and others 16. SO do the longer ones relate to 100thou needles or ?????

For example , the gradient of a #6 and a n ABD are similar but ABD has 16 stages

Image

Info appreciated Darryl
Author:  drmini in aust [ Fri Aug 03, 2012 7:08 pm ]
Post subject: 
No, the .100" needles are nearly .010" bigger diameter at the biggest end.
It's just that there seems to be 2 sorts of .090" needles (actually it's more accurate to say needles for a .090" jet)- short ones and long ones.

.100" needles are a different family, reserved for HS6 carbs and bigger.

There are so many needles now (700?) that yes you do find some of identical taper, and a different number.
Author:  FNQ [ Fri Aug 03, 2012 9:33 pm ]
Post subject: 
cheers thanks for that.. all cleared up
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