Jump to content
SAU Community

Recommended Posts

i guess i do. im just going by that chart, that says the G2 is rated for 450hp (not sure if its @crank or @wheels)

The chart say 450hp - that is not 450rwhp.

450hp is @ the motor... ALL turbos are rated in such a manner

You can check for a OP6 rear. We will have the the bigger rears soon. The engineering place just take their time doing it. Hopefully be available in Mid May.

Hello Stao!

I have a vg30det turbo 4V54 front with OP6 rear sitting in the shed. I would like to no how much for a high flow? it is for for my RB25DET Cefiro street car so i'm trying to keep resonse in mind while still achieving as much power as possible. Having said that, wats gonna be better ball or bush bearing?

The high flow will cost $800 plus $80 oil feeding line. We will be using ATR28G3's profile which should get you around 260~270rwkws (OP6 rear) with supporting mods at peak and not too bad down low either.

Edited by hypergear
With R33 stock housing its very close to its limit, maybe another 5~10 kws once leak fixed.

With RB20 turbo's high flow I'm not too sure as I haven't had one dynoed yet. I guess its probably archive close to 230rwkws.

Wheel size wise this is using the a 71mm comp with 65mm turbine. With Garrett GT2871Rs its running the same size comp wheel but 53mm turbine.

I'm guessing you mean 71mm comp with 56.5mm turbine. I guess you use this on the larger rear housings as the stock R33 rear housing isn't large enough?

Would the larger rear housing turbo be suitable for a remapped ECU R33 car if only running 9psi? (currently runs fine on 10psi stock turbo)

As a replacement for stock turbo until I get off my arse and get injectors, AFM and powerFC?

We do use 65mm Turbine. Need some thing to flow as possible in a small turbine housing. If you can get a OP6 turbine housing we can use ATR28G3 CHRA with 76mm comp wheel. That will be able to get you over 250rwkws. You can drive it on low boost no problem, as for the best results get it dyno tunned with Power FC and supporting mods.

As for RB20 using ATR28G2 hi flow you can probably get some where between 200 to 230rwkws.

Edited by hypergear

Any way adding some photos of the OP6 reared hi flows.

This is a complete ATR28G3 high flowed into a OP6 Rear housing (note the mark on the housing)

atr28g3.JPG

atr28g3rear.JPG

GT2871RS CHRA high flowed into R34 OP6 Rear with stock comp housing:

gt2871.JPG

gt2971rear.JPG

This is a Custom made GT3076RS in a .63 Rear internally gated setup bolton to stock Manifold

gt3076.JPG

gt2076rear.JPG

Edited by hypergear

Will the larger rear be 0.7 A/R with skyline bolt pattern? I want 230rwkw at about 1 bar or less, I'm thinking a 2871 would get there easier with the slightly larger housing.

Is R33 rear housing 0.58 A/R?

And where did these 0.7 A/R housings come from? Couldn't they have made them 0.82 or something to flow a bit more?

Edited by simpletool

The larger rear would be a .63 rear with RB25's bolton pattern. If you perfer 230rwkws BB GT2871 CHRA should do it fine. You can get that with stock turbo's rear housing. Stock R33's rear is only .48

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • Even more fun, leave all the ADAS stuff plugged in, but in different locations, hopefully avoid any codes!   And honestly, all these new cars with their weird electronics. Pull all the electronics out Duncan, and just shove an aftermarket ECU and if needed a trans controller in, along with a PDM. Make it run basic but race car styled!
    • To follow up a question from earlier too since I had the front bar off again (fking!) This is what is between the bumper and the drivers side wheel And this is the navigator side, only one thing but its a biggy! So basically....no putting coolers in the wheel arches without a lot of moving other stuff. Assuming I move to properly race prepping this car I'll take that job on and see how the computers respond to removing a whole bunch of ADAS modules
    • So I prepped the car for another track day on Wednesday (will be interesting to see coolant temps post flushing out and the larger reservoir, with a forecast of 3-14 being 20o cooler than last time I took it out). Couple of things to mention; since I am just driving the car and not taking a support vehicle, I took the rear seats out and just loaded the back up Team Trackday style. Look at all that space! To cover off removing the rear seat....it is weird (note the hybrid is probably different because it wouldn't have folding rear seats) Basically, you remove the lower seat base, very similar to a r series but it is a clip that pulls forward to release the base rather than it being bolted down. Easy Then, you need to remove the side section of the rear seat on each side. There is a 14mm head nut at the bottom of the side piece, the it slides upwards off a hook at the top to release; you also need to unhook the seatbelt from the loop at the top. Then the centre piece is weird. You need to release/fold the seats forward with the tab in the boot on each side From there, there are 2,x12mm headed bolts holding the rear of each seat to the folding bracket, under the trim between the rear seat and the boot (4x christmas tree clips there, they suck). The seat is out but you can see where the bolts attach to the bracket
    • As discussed in the previous post, the bushes in the 110 needed replacing. I took this opportunity to replace the castor bushes, the front lower control arm, lower the car and get the alignment dialled in with new tyres. I took it down to Alignment Motorsports on the GC to get this work done and also get more out of the Shockworks as I felt like I wasn't getting the full use out of them.  To cut a very long story short, it ended up being the case the passenger side castor arm wouldn't accept the brand new bush as the sleeve had worn badly enough to the point you could push the new bush in by hand and completely through. Trying a pair of TRD bushes didn't fix the issue either (I had originally gone with Hardrace bushes). We needed to urgently source another castor arm, and thankfully this was sourced and the guys at the shop worked on my car until 7pm on a Saturday to get everything done. The car rides a lot nicer now with the suspension dialled in properly. Lowered the car a little as well to suit the lower profile front tyres, and just bring the car down generally. Eternally thankful for the guys down at the shop to get the car sorted, we both pulled big favours from our contacts to get it done on the Saturday.  Also plugged in the new Stedi foglights into the S15, and even from a quick test in the garage I'm keen to see how they look out on the road. I had some concerns about the length of the LED body and whether it'd fit in the foglight housing but it's fine.  I've got a small window coming up next month where I'll likely get a little paint work done on the 110 to remove the rear wing, add a boot wing and roof wing, get the side skirt fixed up and colour match the little panel on the tail lights so that I can install some badges that I've kept in storage. I'm also tempted to put in a new pair of headlights on the 110.  Until then, here's some more pictures from Easter this year. 
    • I would put a fuel pressure gauge between the filter and the fuel rail, see if it's maintaining good fuel pressure at idle going up to the point when it stalls. Do you see any strange behavior in commanded fuel leading up to the point when it stalls? You might have to start going through the service manual and doing a long list of sensor tests if it's not the fuel system for whatever reason.
×
×
  • Create New...