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Gtir Motorsport club » Tech room » Help and Advice » Induction run

Induction run

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1 Induction run on 8th December 2014, 12:59 am

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Sorry guys I'm sure this has been asked a million times before but need to make sure I get this one hundred percent right .
I've got a gt2871r turbo with the two bolt flange so the stock flange and pipe coming out the turbo can stay. I need to know what size of pipe to then join to it to make a short induction run which is ultimately connected up to a z32MAF. I am aware I'll need two 60 degree bends? Is it three inch pipe I need? And what connectors/reducers do I need? My head hurts as been looking everywhere but I just can't seem to confirm my suspicions any help would be greatly appreciated and so would any pictures .
Thank you in advance.
Pete

2 Re: Induction run on 8th December 2014, 8:24 am

PartyPete

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the one star club
the one star club
I'm not sure what you mean by 2 bolt flange, as thought it was 4 bolt on the exhaust manifold to turbo then 5 bolt from turbo to exhaust elbow/down pipe! How ever after having recently had a new induction pipe made, the less bends you have and the bigger the diameter the better, so if you have say a 3 inch inlet into your turbo, you will need a constant diameter of 3 inches from your air filter and z32 In to your turbo! The less bends the better, you want a nice smooth equal flow if this makes sense! Hope this makes sense.

3 Re: Induction run on 8th December 2014, 8:31 am

nomad

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The standard inlet pipe is like 2-2half inch .... i made induction up myself i cut and welded onto the oe flange 3 inch .... and as said stay away from to many bends ...


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4 Re: Induction run on 8th December 2014, 9:12 am

gtir_woody

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Is the OD on a z32 3 inches both sides?

5 Re: Induction run on 8th December 2014, 9:37 am

Mr B

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gtir technician
gtir technician
One end 3" compatible, one end coupler - can get coupler adaptor in 3" & various custom housing z32 is possible.

6 Re: Induction run on 8th December 2014, 10:23 am

gtir_woody

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Thanks B. Pete if it helps you out I think I got away using 2 x 45 degree bends on my old pulsar. Are you using a pod filter?

7 Re: Induction run on 8th December 2014, 1:31 pm

Guest


Guest
Thanks guys so what I need is a reducer from the 3inch to the standard turbo pipe size about 8 inches of 3 inch pipe with a 60degrer bend on either end which will then mate up to the z32 and apexi filter which I've already fitted together

8 Re: Induction run on 8th December 2014, 8:05 pm

johnny gtir

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Why 60? The best and dare i say proper way is 2x 45 deg bends as it stops turbulant back flow to maf (i think i used the right word) i know its 2x 45 in opp directions from when i got mine made

9 Re: Induction run on 8th December 2014, 8:16 pm

taylorrail

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What would you advise best way to wire in the maf guys ?

http://Taylorweldingfabrications.co.uk

10 Re: Induction run on 8th December 2014, 8:19 pm

gtir_woody

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As johnny said ^^ that's exactly how I did mine. If you just buy 2x45's there should be enough length to cut them to size. It's just a matter of having a play with the bends and joiners to get it sitting nicely

11 Re: Induction run on 8th December 2014, 8:25 pm

gtir_woody

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taylorrail wrote:What would you advise best way to wire in the maf guys ?

What ecu you got buddy?

12 Re: Induction run on 8th December 2014, 8:30 pm

taylorrail

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As far as i know its standard

http://Taylorweldingfabrications.co.uk

13 Re: Induction run on 8th December 2014, 8:38 pm

johnny gtir

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You asking how to wire in a z32 ?

14 Re: Induction run on 8th December 2014, 8:42 pm

taylorrail

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yes i cant get a plug in time as off to get mapped next week and wanting to set up now then when i get there fit maf and 660cc injectors Smile

http://Taylorweldingfabrications.co.uk

15 Re: Induction run on 8th December 2014, 8:57 pm

johnny gtir

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moderator
What ecu will you be running ?

You have no plug for your z32 ?

16 Re: Induction run on 8th December 2014, 8:59 pm

taylorrail

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Ive been told to use a nistune and have not got a plug i can get one but looking at 2 weeks

http://Taylorweldingfabrications.co.uk

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