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SC12 needle's - what are you running?
https://www.ausmini.com/forums/viewtopic.php?f=5&t=67497		 Page 1 of 1
Author:  jbeenz [ Mon Dec 06, 2010 1:42 pm ]
Post subject:  SC12 needle's - what are you running?
Hi Everyone,

Well, ive bitten the bullet and 92 is kindly making me an sc12 kit :D It is going on a nice mild 1275, its fairly similar spec to a metro lump, 266 ish cam, 8.8:1 compression.

So, What needles did you start with? What spec are you running, oh and hpw much POWA you got? :lol:

I will be attaching a wideband to make sure i get the tune right, but interested to know where people have started needle wise?

I imagine i will start by pinching the one from my mates ERA while hes not looking :P
Author:  wallygog [ Mon Dec 06, 2010 7:46 pm ]
Post subject: 
dyno.
Author:  simon k [ Mon Dec 06, 2010 9:15 pm ]
Post subject: 
metro turbo needle will be much too lean - it's a wierd one, and I'm not sure why, but no good...

I started with a worn out and knocked around SY needle, and stayed there, it's good :lol: I haven't had the sensor up it's bum for a while, but have the head off and the valves, plugs and pistons are all in exactly the right condition (except for the one piston & valve that got a bit too friendly)
Author:  jbeenz [ Fri Dec 10, 2010 6:48 pm ]
Post subject: 
simon k wrote:
metro turbo needle will be much too lean - it's a wierd one, and I'm not sure why, but no good...

I started with a worn out and knocked around SY needle, and stayed there, it's good :lol: I haven't had the sensor up it's bum for a while, but have the head off and the valves, plugs and pistons are all in exactly the right condition (except for the one piston & valve that got a bit too friendly)



What Carb are you using - SY is an "HS" series needle yes?
Author:  drmini in aust [ Fri Dec 10, 2010 7:20 pm ]
Post subject: 
SY is a fixed needle for .100" jet. Used in HS6 but I think can be adapted to HIF (but I've not done it).

Boy it has a weird profile though- it goes rich as hell once past station 8 (compared to my OA6 in NA 1412 stroker)
Author:  jbeenz [ Fri Dec 10, 2010 7:37 pm ]
Post subject: 
yea - when i looked at the profile i thought, wow, thats a sharp one! Ie got a nice fat BEK here, perhaps ill just start with the file! :D
Author:  simon k [ Fri Dec 10, 2010 9:36 pm ]
Post subject: 
jbeenz wrote:
yea - when i looked at the profile i thought, wow, thats a sharp one! Ie got a nice fat BEK here, perhaps ill just start with the file! :D


try a BCG then!! Mini66 is running one with his SC12 and still has a lean spot!

the SY I have has already been filed and mucked around with - I should measure it I guess :roll:

http://www.morrismini.com/SUNeedlesV2.a ... &size=.100

I bought Des Hammil's SU book a little while ago, really interesting reading
Author:  jbeenz [ Sat Dec 11, 2010 6:03 am ]
Post subject: 
Thanks for that link simon - now that is a usefull "SU Thingie" :lol:
Author:  Ziegech [ Wed Dec 15, 2010 11:24 am ]
Post subject: 
good luck with the build. I love hearing about a new Sc12 set up, i started with a metro turbo engine and put the kit on that i cant help with needles as i gave up and left it to a pro. Power output is easily at 100hp. As a daily driver driven fairly hard the gearbox still did 3 years and at that didnt kill the syncro. Im ranting now but 92 Ben has made a brilliant kit and has been nothing but supportive and helpful.

Hope all goes well.
Author:  jbeenz [ Wed Dec 15, 2010 12:30 pm ]
Post subject: 
thanks chris! I am sure it will go well, My mate has an ERA turbo, so it will be interesting to compare the two! Cant wait for the kit to arrive!
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