GT-R turbos on the VQ37
 

"reserve"

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Looking good, hurry test fit it in the bay so i can have peace of mined ��

This is really cool...i rep u sir...

Impressive follow through. Not going to lie, this was another "ya right" thread for me. Cool to see you sticking to it.

Thanks! Really appreciate the positive comments when everybody doubted me in the beggining!

Although, I wouldn't say it's easy that's for sure. I spend many hours trying to figure out the adapters and their angle and whether it would still clear everything etc. I'm hoping to finish asap as I really hate driving beaters

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Still thinking of changing the angle. Currently both compressor inlets fit from the GTR but just barely on the driver side.


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Sweet

Very good progress. all your long hours will pay off, I'm sure about it.
Cant wait to see when it finish.

I test fitted GTR intercooler and upper pipes they fit qite well.
Fuse box have to be moved to the fender side a bit.

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Could not rotate it sorry just rotate your monitor :)

GT-R turbos on the VQ37
 

Small update. Finally figured out how to cut the oil lines and finished installing them. Water lines next as I just got the turbo AN fittings.

Also, the clutch/flywheel/CSC is done so I don't have to worry about that for a while hopefully! Stage 3 Zspeed package.

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GT-R turbos on the VQ37
 

Passenger side almost done. Just waiting for the water line fittings so I can install them before I put the engine back. Driver side is almost done, just doing a small modification so I can use the OEM inlets on both sides.


Here's an idea of how the adapters look like!

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I might have missed this, but just to clarify, you are using the STOCK header to the GTR turbo, and not using the entire turbo/manifold setup?

Keep up the work!

He's adapting the GTR manifold and turbo to the VHR.

Correct. Both the manifold and the turbo fit using my adapters. Even the GTR inlets do fit but the driver side requires some grinding to the motor mount bolt.

Clearance is tight though. I'm running the urethane motor mounts just so i don't have anything contacting when accelerating.

I was wondering if anybody knows this.. should I use a crankcase breather filter or route them to the OEM GTR inlet pcv pipe?

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I've got mine routed to my turbo inlet pipes... Looks like it would be convenient for you as well!

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You could do ether. Breather would be easiest. Or you could could run a catch can between to keep oil out of the turbo and have vacuum in the crank case

run a breather or a catch can for that hose location.

I feel like there is some confusion of which hoses we are talking about?

I assume that's the fresh air inlet (that normally connects to the OEM intake pipe), correct?

If so, you would either put a breather there or connect to the turbo inlet pipe (where it effectively uses the intake filter instead of its own tiny breather filter).

The hose off the PCV valve that goes to the intake manifold should remain the same, or you could put a catch can inline with it.

Yeah I was confused at first by connecting that 3/8 hose to the inlet but I figured that goes to the intake manifold.

The breather hose is 5/8 so I bought a 5/8 to 3/8 reducer and ran the breather hose to the GTR location (the metal hard pipe coming out of the turbo inlet)






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Sounds like a good solution! Might as well make use of what Nissan gives you with the turbo inlet =)

I'm really enjoying your progress.

Thank you! I can't wait to finish and go ally have a car as fast as yours haha


Right now, I dropped off the turbos to the machine shop to get the manifold ports matched to the adapters. There's a slight lip due to the adapter angle. I figured might as well do it since it's cheap while it's out and might get me an extra 10-20 whp.




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I'm not excited for this. Wish I was doing a boost build now

Are you in too deep to switch gears? If there is eventually an intercooler kit to go along with these adapters, what comes out of this thread could be a real game changer in terms of TT cost of admission. Probably even cheaper than the GTM group buy pipedream. Though something like that is probably a ways out.. and I don't know what husam's plans for this design are.

Not really. Going to be placing my order on a billet crank here in the next few months. So I have till then to decide. I not so much into power but want something reliable for constant abuse at the track.

Makes sense... Though I would worry that the extra revs from a max NA build would put more stress on the motor that some light boosting.. but it sounds like you are planning for that with your upgrades. Track-level abuse is not in my wheelhouse as I have never actually driven on one. Hope to take some driving lessons one day though.

Surprised I haven't seen you around town!

I still vote BOOST =)

I'm hoping to get a group buy going as soon as I finish up my install. I have a few people who contacted me already who bought the GTR turbos and are waiting for my adapters.

It even looks like the GTR intercooler fits with some modification, so that makes it even cheaper!

If one was to get a good deal on the turbos/intercoolers from the GTR (I've seen someone selling that plus all piping for around 1k on the GTR forum) then the cost to boost the Z is under 4k! Now that obviously doesn't include clutch etc and doesn't include the cost to fabricate some of the pipes if you had someone do it for you.

Pictures of GTR turbos on the 350Z/370Z

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Finally received that OEM oil cooler block off plate! It was on backorder from Japan so I think it took almost 2 months from when I ordered it :o

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Ugh, so much want. Is there a price projection yet?

Interested to see how much power these could make on our motor. Hopefully they make at least 450whp

There are guys making a lot of power with the stock turbos...

589 whp and 565 wtq on 92 octane, and 625 whp and 611 wtq on E85
New stock turbo HP record! - Engine - GT-R Life

Granted, that guy was "setting a stock turbo record" ... but they certainly seem to flow enough to make good power.

Also keep in mind the compression ratio difference between our engine and the GTR. Our engine should be a little more efficient therefore getting more power out of less boost.

I'd say they're good for about 550 whp max on stock compression as they're kinda small turbos.


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the VHR will make more power with them than the VR38 no doubt.

husam2012, good for you for being so gutsy and taking on this risky endeavour. Personally, I would have gone with one of the three (tried, tested and proven) Fast Intentions Turbo packages.

Thanks! Personally, I can't afford to spend 2/3 the value of my car after the kit, tune, and clutch.

Right now including everything clutch and tune i'm just under 6500 but that's because I paid an arm and a leg for the development of the adapters and motor mount bracket.


I would of been able to do it under 5k if someone had already came up with a solution for the motor mount bracket and adapters.


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i would be very close to 4500 but im doing GTR manifold (thats not including installation)

GTR turbos, GTR intake manifold, GTR intercooler, we might as well start running alpha parts:yum:

Sub'd!!!

Very interested to see the end result... If the exhaust manifold adapters can be made at a decent price it should keep the total price down.

I went over to the GT-R forum and saw a set of turbos/manifolds going for $900.


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Small update. I'm pretty set with the adapters but just a few minor things.

1st issue: I might need slim head hex bolts m10 1.25, not sure where to buy them from as everybody has the slim m10 1.5 not the 1.25.


2nd issue: the driver side turbo inlet doesn't clear the motor mount stud. I thought about just making it shorter but not sure of that's a good idea. Any suggestions?



Also, I got a thermal wrap for the oil lines and coolant lines. Looks pretty good so far but I got about 10 cuts from trying to fit the AN fittings on the coolant hoses..


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maybe readjusting Z1 engine mount height and making longer engine bracket? Looks like 10mm should do it.