Jump to content
SAU Community

Gt 28/76r On Rb25det?

Jamie88

By Jamie88,
in Engines & Forced Induction

 Share

Recommended Posts

Jamie88 Community Regular

Jamie88

Posted
Posted

Hey guys got a good opportunity to swap my highflow 25 turbo for a garrett gt 28/76r as my mate wants a smaller turbo for his 4cyl. Now this poses the question on how to go about mounting it on my rb25. This turbo has an sr20 flange on it (T2??) so its gonna have to have the flange on the manifold changed. Im guessing its gonna have to go highmount and just get the exhaust shop to change the flange for me? Any ideas guys?? Let me know. Also cant remember if the turbo is oil and water cooled, so how would I go about the different lines? Braided is obviously the right way to go.

Any help would be great

Link to comment
https://www.sau.com.au/forums/topic/265858-gt-2876r-on-rb25det/
Share on other sites
Lithium Grand Master

Lithium

Posted
Posted
Haha that would look funny high mounting that pissy little turbo!

Waste of time.

Visually a GT2876R is not a small turbo, look pretty much like a GT3582R or a T04Z with a little turbine housing - but they are a piece of crap. Stick with the high flow.

D_Stirls Veteran

D_Stirls

Posted
Posted

As above the GT2876R is a bit of a missmatch turbo. the compressor wheel is too big for the small turbine side. Garret even give clues to this on their web page for this turbo where they say;

* Best suited for unique applications such as asymmetric turbo installations

* Not recommended for general performance applications

http://www.turbobygarrett.com/turbobygarre...6R_705330_1.htm

IMO your better of going a GT3071R where the turbine and compressor sides of the turbo are better matched.

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
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • jtha7
      Replacing turbo water line - any recommendations or advice?

      By jtha7 · Posted

      Hi all, Restoring r33 series 1 rb25det. All the heater hoses were on their way out, have replaced them and put it all back together. After testing I noticed a small leak from behind the head on the actual metal water line to the turbo when cars warm. I tried running a longer hose over it but it kept leaking...   I am about to take the (stock) manifold off again😔 to change the water line does any one have any lines they recommend? I was looking at Aeroflow Turbo Oil & Water Line Set but not sure what everyone else recommends. Car is completely stock but want to upgrade turbo eventually. it looks like ill have to disconnect a lot just to replace these lines so if there's anything else recommended to do please let me know. Thank you in advance!
    • MBS206
      RB20DE NEO smallbox clutch.

      By MBS206 · Posted

      From memory, on the R33 GTSt at least, while everyone says "It's not adjustable", I found when I changed clutches in mine, it just needed a small adjustment on the rod length. But be very wary here, as you could end up trying to push the pushrod in the master too far, or blowing out the slave.   Most likely though, if the master/slave isn't bypassing internally or leaking out, then the throw out is the wrong height compared to the fingers on the clutch, so when it moves to disengage the clutch, it isn't 100% disengaged. You can check part of this out too by jacking the car up, having the engine running, put your foot on the clutch and try to engage 1st gear. If it goes in pretty easy (Compared to the ground) and/or the wheels start turning a fair bit and it takes a bit too much brake pedal to bring them back to a stop, this is likely the issue.  I'm not sure if you can adjust the height of the forks etc in these though, it's been that long since I've touched any RB gearbox.
    • MBS206
      Lock up the old for sale / wtb threads.

      By MBS206 · Posted

      That's all good, I thought I was missing some interesting feature! Maybe @PranK can double check if that is something that is meant to be operating or not.
    • Kapr
      RB20DE NEO smallbox clutch.

      By Kapr · Posted

      I hope that is not something that bad. From what i remember he said that only first gear is "hard" to get in and that he has couple of ideas what to try next but idk 😕  hope it is not gearbox out. I will let you know.
    • GTSBoy
      RB20DE NEO smallbox clutch.

      By GTSBoy · Posted

      If it's not the hydraulics, it is probably gearbox back out. Usually as per @Duncan's post, or otherwise associated with not getting the throwout fork positioned correctly. All the way up to catastrophically bolting shit back together without it being aligned properly and wrecking the clutch/input shaft/flywheel/something else.
×
×
  • Create New...