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H25A Grand Vitara Turbo Conversion
https://www.auszookers.com/forum/viewtopic.php?f=14&t=49300		 Page 1 of 1
Author:  jordo84 [ Tue Feb 10, 2015 7:55 pm ]
Post subject:  H25A Grand Vitara Turbo Conversion
Hey guys, I am new to posting here but thought some might be interested in my 2.5L V6 (H25A) Grand Vitara turbo conversion.
I am currently gathering parts and pulling things down to start the fabrication of the exhaust manifold to mount the turbo and build an exhaust.
I will start putting pics up as I progress, If I should start a thread elsewhere let me know as I am new here.

Cheers! Jordo.
Author:  Jezza86 [ Wed Feb 11, 2015 1:16 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
you could start a build thread, but it kinda fits here if your fabing your own manifolds and stuff too.
Author:  jordo84 [ Wed Feb 11, 2015 9:23 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Perhaps the build thread might be the go, I am taking photos along the way and it should be fun for anyone interested. Am fabricating manifolds from scratch with help from a mate.
Parts have started arriving today so will start putting something together. Cheers for the advice!
Author:  monley [ Thu Feb 12, 2015 10:43 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Be interesting to see what gains will be had and how reliableo this motor will be. Do you have a Hp goal or just trying to get the most out the motor?
Author:  Aferal [ Fri Apr 03, 2015 10:37 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I think about turboing the mrs grand vitara everytime i stick my head under the bonnet.
Was thinking twin turbos, off of something like a rb26 or 2jz and should be close to the right size. Twin front intercoolers mounted with inlet at the bottom, outlet at the top with two pipe over too two throttle bodies mounted of the exsisting manifold. The engine is begging for the configuration in my mind.
Now I will stop day dreaming and let you do it for real. Look foward too the build.
Author:  Sco-tie [ Fri Apr 03, 2015 10:56 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Thinking would need a body lift just to attempt to fit it in and then a hood scoop to improve cooling
Author:  ChinoSQ [ Wed May 20, 2015 10:32 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Aferal wrote:
I think about turboing the mrs grand vitara everytime i stick my head under the bonnet.
Was thinking twin turbos, off of something like a rb26 or 2jz and should be close to the right size. Twin front intercoolers mounted with inlet at the bottom, outlet at the top with two pipe over too two throttle bodies mounted of the exsisting manifold. The engine is begging for the configuration in my mind.
Now I will stop day dreaming and let you do it for real. Look foward too the build.


Why twin front intercoolers? You can buy an intercooler with twin inlet and one out..

Im thinking of a supercharger.. but forged internals will be a must..
Author:  shiv [ Thu May 21, 2015 8:42 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I got all the info to start a supercharger project on my g16b but waiting on funds before I start.

good luck on the build
Author:  jordo84 [ Fri May 22, 2015 8:57 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Ok guys, I have put together an album of what I have been up to so far on the turbo Grand Vitara project.
It's a bit all over the place but hopefully shows enough of what I have done for now

Check out the link here: http://imgur.com/a/R9Dz9

Let me know if you have any questions!
Author:  atari4x4 [ Sat May 23, 2015 1:59 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I was impressed with the pipe work & all that... then I got to this.

Image

photoshop level expert! Armsup
Author:  jordo84 [ Sun May 24, 2015 7:41 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I had to throw that pic in there ☺️, I have a signage business and this guy was a cutout from an old exhibition. Has made it into many photobombs
Author:  klutched [ Tue May 26, 2015 9:59 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Nice work! Looks pretty schmick! What turbo are you running and what ecu will you use? Also where did you tap oil feed from?
Author:  jordo84 [ Sun May 31, 2015 10:41 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Thanks! Turbo is Gt28, ECU is Adaptronic e440d - http://www.adaptronic.com.au/product/e440d/
Running an in tank Bosch 040 pump and 540cc injectors. Oil feed was sourced from oil pressure switch on left side of block with a T piece made to run both.
Author:  fordem [ Tue Jun 02, 2015 1:12 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
jordo84 wrote:
Oil feed was sourced from oil pressure switch on left side of block with a T piece made to run both.


That may not be the best place - I've had the brass fittings fatigue & break off leaving the stub in the block.
Author:  klutched [ Tue Jun 02, 2015 5:49 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
jordo84 wrote:
Thanks! Turbo is Gt28, ECU is Adaptronic e440d - http://www.adaptronic.com.au/product/e440d/
Running an in tank Bosch 040 pump and 540cc injectors. Oil feed was sourced from oil pressure switch on left side of block with a T piece made to run both.


Nice, planning on running e85 through it? That's a pretty cheap ECU with features like that.
Author:  mnemonix [ Tue Jun 02, 2015 7:43 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Be careful running a T-piece sharing your pressure switch and turbo oil feed.
In cars with high levels of vibration it's VERY common for components to fail in this setup. ie: Brass tee fractures resulting in catastrophic oil loss and engine failure.
It used to be all the rage to use this method on MX5's. Failures were so common that during club race days, cars with this method wouldn't pass scrutineering.

Offroad a 4wd would be just as likely to have a rough enough ride to promote failure.

Where are you located Jordo? Who's tuning the Adaptronic for you?
Author:  got_bar_work [ Wed Jun 03, 2015 8:03 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
My tee didnt make a week after it was rebuilt before it snaped off and left a trail of oil through the carpark
Author:  JrZook [ Tue Jun 09, 2015 12:11 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
mnemonix wrote:
Be careful running a T-piece sharing your pressure switch and turbo oil feed.
In cars with high levels of vibration it's VERY common for components to fail in this setup. ie: Brass tee fractures resulting in catastrophic oil loss and engine failure.


Braided hose and the tee mounted on the firewall/guard etc solve that issue?
Author:  mnemonix [ Tue Jun 09, 2015 12:32 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Definitely. Any method that removes the weight from the block so the brass threads aren't affected by fatigue should resolve the problem.
Author:  b1nelly [ Tue Jun 09, 2015 7:16 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
hows this build going?
Any more pictures?

Really wanna hear this thing spool up and run.
Author:  shandy92 [ Fri Dec 25, 2015 11:11 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Awesome pics mate, looks really nice. Updates please.
Author:  vet 180 [ Mon Feb 22, 2016 9:36 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
ChinoSQ wrote:
Aferal wrote:
I think about turboing the mrs grand vitara everytime i stick my head under the bonnet.
Was thinking twin turbos, off of something like a rb26 or 2jz and should be close to the right size. Twin front intercoolers mounted with inlet at the bottom, outlet at the top with two pipe over too two throttle bodies mounted of the exsisting manifold. The engine is begging for the configuration in my mind.
Now I will stop day dreaming and let you do it for real. Look foward too the build.


Why twin front intercoolers? You can buy an intercooler with twin inlet and one out..

Im thinking of a supercharger.. but forged internals will be a must..


Serious question. Why? what is the weak point of these engines? the 9.5 stock comp looks to be fine with modern tuning and fuels. How strong are the rods?
Author:  Shenzuki02 [ Thu Mar 22, 2018 1:07 pm ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
How did the build end up could the person please message me
Author:  versace [ Fri Mar 20, 2020 6:51 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I know this is pulling up a really old thread but I'm pretty sure I just bought this car. I know it's a really long shot but did anyone ever talk to this guy?
Author:  Jorel97 [ Thu Nov 18, 2021 7:07 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I didn't talk to him but found pictures and info of the build since the start
Author:  Jorel97 [ Thu Nov 18, 2021 7:11 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
I didn't talk to him but found pictures and info of the build since the start
Author:  USMC5811 [ Sat Dec 18, 2021 11:53 am ]
Post subject:  Re: H25A Grand Vitara Turbo Conversion
Zukikrawler at Zuks of Arizona is 99% done with his, just tuning now.
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