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Yes I could hear the hissing right away. Fixed those 2 and the pipe will be welded buy the end of the day. The reg on the air compressor said 15 psi but when I connect to the car the pinholes wouldn't let it get over 5 psi according to boost guage. Unless I opend up the reg heaps more. Once it's all back together I'll run it up higher and see what happened.

Everything is now fixed bar my to injector seals that I will get fixed tomorrow. Anyone think these problems would have drastically effected my performance readings and boost drop?

Glad to hear you found all those leaks mate. With so many I assume they would easily leak a couple of pounds and as you said you could only get the gauge to read 5psi.

Once all the leaks are fixed and you've had a play with the boost controller, let us know how you go.

  On 11/02/2014 at 7:45 PM, WMDC35 said:

or could've let the boost ramp up higher until it was leaking down to the desired pressure :ninja:

And put the temp probe in a cup of hot water to get a 300rwkw graph, then everyones happy!

  • Like 1

Everyone's wise afterwards, the reason its fixed is because of DriftSquad doing a great job with diagnosing the

leaks.. from what I read there wasn't many explanations except the housing was too small?? so if a tuner says

a 0.63 GT3076 cant do more than 225kw, then yes ill try someone else thanks...

Ive been thru probably 3-4 so called great tuners in Brisbane, some are highly regarded etc.. and one thing that

remains clear is that if your not spending big $$$$ they simply don't give a sh#t..

Edited by AngryRB
  • Like 1
  On 11/02/2014 at 1:01 PM, ARTZ said:

yep... a good tuner would of fixed all his leaks for free and still shouted him a beer afterwards.. :whistling:

I got made a cuppa tea if that counts, lol..

a good tuner would of know a 0.63 can do way more than that and suggested testing it for leaks to start with instead of blaming it on the housing??

I'd say often the reason people are taking a car in that state to someone to get tuned is because they aren't confident about how on top of the whole building/tuning a car process they are - otherwise they'd be doing it themselves

  On 12/02/2014 at 3:28 AM, AngryRB said:

Everyone's wise afterwards, the reason its fixed is because of DriftSquad doing a great job with diagnosing the

leaks.. from what I read there wasn't many explanations except the housing was too small?? so if a tuner says

a 0.63 GT3076 cant do more than 225kw, then yes ill try someone else thanks...

Ive been thru probably 3-4 so called great tuners in Brisbane, some are highly regarded etc.. and one thing that

remains clear is that if your not spending big $$$$ they simply don't give a sh#t..

how could you give a shit...im sure it happens all the time... fixing d.i.y er problems, im sure its been worse since drifting started..

a high percentage are thrashed out shitboxes..

people need to take ownership of there cars problems..if they put it together...

or they can pay $70+p/hr for someone else to go through it for them and cop it in the chin

f**k being a tuner for a living..

cheers

darren

Edited by jet_r31
  • Like 2

its not the tuners responsibility to fix your cars f**k up's. his job is to put the car on the dyno and tune it the best that he can in the condition that it is in.

nothing worse then a internet f**k tard running around screaming "bad tuner, shit tune" bla bla bla when he will never be in the tuners situation to understand what it is like.

IF the workshop quoted the setup, and put the whole car together + supply parts and then there was an issue like this then it would be their responsibility to fix the issues without making any excuses and most of them would.

Thats the problem with back yard slapped together setup's, you never know what you are going to get so be prepared for a long road of f**kup's and multiple tuner bills until you get it right.

stop blaming the tuner, if he suggested the rear housing could be the issue then it was just a suggestion, he is not a god to know exactly what the issue is straight away ffs!! be happy he gave you some suggestions to start with to fix your piece of shit or leave it with the workshop and pay the hourly rate for them to diagnose it for you.

Now I'm not sure if that's being directed at me or not. But if you read my first posts I said I like my tuner. I drive an hour out of my way to go to my tuner. He has done many of my cars and my friends high hp cars. I regard him as one of the best in the country. It's my fault there were leaks in the inlet system as I assembled the motor and build. I'm sure we have all left a vacuum line off once? And I'm sure we have had some split before? In saying that with all the induction sounds and wastegate sounds it would be nearly impossible to hear the leaks. Iv never had this issue before. I don't blame anyone but my self.

Also I took on his advice about trying a bigger rear housing (anyone have an .82 gt30 housing with 4 bolt flange)

I also wished to seek others advice on this forum that's y iv posted the question and took in everyone's advice!

Now the comment is right about it's not his job to fix the problem when it's on the dyno unless your willing to pay for it.. But he defiantly will. On the day my fuel pump

Let go and he stopped the clock and let me install new pump on the dyno. He also supplied the parts and advice.

The service is great and I will only highly recommend him to anyone!!

I think I'm getting closer to my issues with the new build and thank everyone for there input.

Iv been busy with work so I have yet to install new injector seals but I'm on it tomorrow.

Followed by another pressure test.

Will keep you all posted!

Edited by DriftSquad

was not directed at you. just some comments made by other users, its just frustrating reading comments that slanders workshops when its just not needed.

Yes he is a great tuner, even on a bad day i am sure he would never let a "shit house" tune out of his workshop if it was within his control.

keep the .64 housing, just fix the other issues and take it back to him and explain to him all the issues you have found and I am sure he will be happy to look after you on the re-tune knowing the issues have been resolved.

good luck with it, look forward to your results.

Just paid a visit to my tuner He has my RB25DET auto with forged pistons / rods / 4" exhaust / steel turbo with Garret internals with china out / FMIC and stock everything else . the turbo is running 0.63 AR turbine side and he could only make 241bhp - then the boost dropped off 1 bar down to 0.6 .. He is sending the turbo to his engineers to convert to 400BHP BUT HE HAS NO IDEA OF WHAT DIMENSIONS WILL BE USED ???

the tuner found some leaks to start with and fixed them - he charged ! - he also charged me double what i was quoted to install the nistune board ! £400 + board - not the £365 inc tune and board fixing quoted by another company !!

I have found that asking what system the tuner likes to use is a good start !! as here in UK some do f/con some hate it - all do Nistune .

so to sum up in my cas runs .63 turbine housing and is limited to 250bhp at 1bar ! ? ! ,

i have READ that 0.82 will deliver constant strong boost at higher rpm , but then i will loose some early spool up ( hits 1 bar at 2,650rpm now - good for auto box ) so do I do the obvious and think the turbine wheel needs to be 0.73 to get best of both worlds , or am i wrong and to strengthen the high rev boost pressure is done in another way ??

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