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Home > FAQ / Knowledge > A guide to polishing HIF needles --Edited July 2008--

bennyy

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Doncaster, yorkshire

this thread is a great help, desverves to be bumped up for others.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


eden7842

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leicestershire

thought id top this,

great thread. its rele helping me get the whole needle profile thing done

13.95 1/4 mile on a 2.95 fd. Carnt be that hard to beat!


bennyy

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Doncaster, yorkshire

On 2nd Mar, 2009 gr4h4m said:
great guide. interestingly I was thinking that the outside temps can make a big difference with my car I have also found a needle which I think is a bit closer to to my setup of
998 - 12g295 1.5 rockers 8.7:1 8-10 psi supercharged sc12

A BCG needle I have also shrunk your pic so when it prints is about correct size for a needle.

Thanks for all of this info.
Station No BCG BDD
1 0.0990 0.0990
2 0.0950 0.0962
3 0.0914 0.0937
4 0.0886 0.0907
5 0.0837 0.0850
6 0.0786 0.0795
7 0.0736 0.0753
8 0.0665 0.0720
9 0.0582 0.0694
10 0.0493 0.0673
11 0.0414 0.0653
12 0.0331 0.0635
13 0.0331 0.0618
14 0.0331 0.0602
15 0.0331 0.0585
16 0.0331 0.0570


gr4h4m, are these the measurements of a standard bdd? i am starting with a leaner needle as a standard bdd was too rich at cruise befere but was perfect at light accel, now i cannot find the needle :/


i bodged this together today for measuring and marking out needle stations, just paper stuck to some cardboard and pushed the needle into it for somewhere to sit, very easy to do and makes it a lot easier, i just stick a bit of cardboard under the end of the needle to raise it up to measure.



Edited by bennyy on 17th Sep, 2011.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


Brett

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Doncaster, South Yorkshire

a little something i have been working on, http://www.youtube.com/watch?v=9vsc05-D_cU this one is removable and sits on the piston damper much like my old one, but i can log this in megasquirt *wink*
there is a v2 i am working on aswell where i wont need a hole in the bonnet but i will need a little tig work i think


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Yes i moved to the darkside *happy*

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robert

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uranus

really good idea brett.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM


Brett

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Doncaster, South Yorkshire

cheers robert although i take no credit for the idea its more an evolution of the original by Turbo Tel

its on and working had a tad of bother with the coding for the gauge to read in stations but i think im on top of that now, it has thrown up some very interesting results however, im going to a club meet tonight in it and will be data logging all the way

how ever the fueling issue i was having and that lead me to build this... has not reared its ugly ass :(

Edited by Brett on 10th Jun, 2012.

Yes i moved to the darkside *happy*

Instagram @jdm_brett


Brett

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It worked very well indeed but its not eactly practical to have it on all the time because for 1it sticks up 6 inch out the bonnet and for 2 at 25psi it pops the clear cover off the damper and it shoots of like a rocket so im working on v4 this is how far i have got atm.. run out of electrical supplies
The ally 'welding' sticks from the likes of ebay are actually really good
Here is a sneak preview

Forum doesnt like 8meg photos :(


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Edited by Brett on 21st Jun, 2012.

Yes i moved to the darkside *happy*

Instagram @jdm_brett


wng691s clubby

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Cleethorpes

good work brett handy item for tuning

Done now needs redoing lol


Mansfred

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Chelmsford, Essex

wow this is a really useful thread. bookmarking this for sure. Cheers for sharing all your hard work!


Spank

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resurrecting from the dead. Why can't I see the photos on the www.terryhunt.co.uk webpage? It keeps asking for a login.

apologies for question if it is repeated or resolved elsewhere.

Home > FAQ / Knowledge > A guide to polishing HIF needles --Edited July 2008--
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