Jump to content
SAU Community

Hypergear Turbochargers and High flow Services Development thread


Recommended Posts

coolercompare.jpg


Further testing and evaluation on the SS2.5 Alpha turbocharger, now using an 600x300x68mm tube n fine front mount cooler. I've attached two photos, note the tubing size inside the aftermarket cooler and factory cooler.



Aftermarket cooler:


insidenewcooler.jpg



Stock cooler:


insidestockcooler.jpg



Using the new intercooler, boost tapering issue was resolved to some extend and the same turbocharger managed to pickup more power. Cooling ability however is not as good as standard, under comparison my intake temp rise by 10 degrees. I will be fitting an thicker 600x300x100mm cooler for further evaluations coming week.


Turbocharger wise, it is matching factory N1's responds but a lot more power. Pretty good to drive at this stage.



ATR43SS2.5 Alpha, externally gated on pump 98 fuel. Peek 330awkws:


atr43ss25alpha330rwkw.jpg




atr43ss25alphaboost.jpg



Vs stock cooler using the same turbo:


coolervs.jpg



In conclusion based on test result, the factory GTR intercooler is only good for up to 320rwkws on pump fuel, for upgrade, I would be recommending a good cooler that has a core size of 600x300x100mm.



Tuned by Trent Hewitson, Intercooler piping and related fabrication done by Havoc Fabrications.


  • Like 1
Link to comment
Share on other sites

All three GTR coolers are different, the 33 is best for cooling efficiency but worst for outright flow

My 105mm ARC cooler ( the best in the business) is about 4-6deg hotter then the factory 34 cooler but will happierly flow 1000hp

Link to comment
Share on other sites

As I mentioned to Tao yesterday, Daz has made 500kw on a stock cooler and is heading for more. Not sure yet if he plans to upgrade his cooler this time around.

Yeah Ive heard of 450kw before

Link to comment
Share on other sites

As I mentioned to Tao yesterday, Daz has made 500kw on a stock cooler and is heading for more. Not sure yet if he plans to upgrade his cooler this time around.

It isn't stock, it's 90 mm thick.
Link to comment
Share on other sites

And for people whom are switching to the ID 1000 injectors. The resister pack made for OEM injectors has to be removed. Big thanks for M35scotty on solving this issue yesterday. I believe he has some technical details to share.

Link to comment
Share on other sites

Weird that they're all different. How does the 32 cooler go?

The 32 is the best for flow but worst for efficiency, it is extrude honed and doesn't have the little fine fins inside the runners

You can tell the difference between 32 and 33 by the front of the runners, the 33 has a grove that runs along the runner which the 32 doesn't

Link to comment
Share on other sites

And for people whom are switching to the ID 1000 injectors. The resister pack made for OEM injectors has to be removed. Big thanks for M35scotty on solving this issue yesterday. I believe he has some technical details to share.

That is something very simple and well known, simple cut the resistor off and solder the seven wires together then a bit of heat shrink and electrical tape and bingo high imp injectors working

  • Like 1
Link to comment
Share on other sites

One of his injectors had stopped working, after testing it I realised he hadn't cut the resistor pack off, one resistor had blown taking the power from that injector.

The resistor pack was much hotter than usual. Obviously it runs fine on the Haltech without modification, but overloads the resistors. Goes to show the Haltech runs some great output drivers.

Link to comment
Share on other sites

The 32 is the best for flow but worst for efficiency, it is extrude honed and doesn't have the little fine fins inside the runners

You can tell the difference between 32 and 33 by the front of the runners, the 33 has a grove that runs along the runner which the 32 doesn't

Sweet it should be better for e85 to a certain extent then as it doesn't need the efficiency that it would for 98

Link to comment
Share on other sites

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

    • Hi all, I need to get this HKS SLD attached to my stock ECU because I've now got the German autobahn and faster European circuits to contend with.  The car is a manual 2dr ER34 with an AT ECU and I've realised the AT ECU has two pins for speed sensor signals: Pin 29: Vehicle speed sensor signal (Vehicle speed sensor 2) Pin *58: Output shaft rotation sensor signal (Vehicle speed sensor 1) - *RB25DET A/T model only Before I go butchering this harness, is anyone sure of which pin is the correct one for signal adjustment? The attached document from HKS indicates pin 29 but I found this situation mentioned in the following thread on a different forum (R34 GTT Auto Trans Speed Cut Problem | Zerotohundred) mentioning pin 58 needing to be altered by member zephuros, albeit it seems to be for an RSM-GP and the info appears to be old.  R34_All_Workshop_Manual-pages-2.pdf R34_All_Workshop_Manual-pages-3.pdf R34_All_Workshop_Manual-pages-1.pdf HKS SLD Vehicle Pin out P59-P70 ER34-pages.pdf
    • Embrace the freedom of casual encounters on the best dating app in town! Verified Maidens Superlative Сasual Dating
    • Slimline sub on the rear parcel shelf is doable. Pioneer TS-WX140DA is only 70mm high.   
    • People like Johnny Dose Bro might be laughing at my post because I accidentally added 100mm to my numbers. 350-355 is indeed the lower limit. 450 is off-road Skyline spec.
    • What is the "compromise" that you think will happen? Are you thinking that something will get damaged? The only things you have to be concerned about with spherical jointed suspension arms are; Arguments with the constabulary wrt their legality (they are likely to be illegal for road use without an engineering certificatation, and that may not be possible to obtain). A lot more NVH transmitted through to the passengers (which is hardly a concern for those with a preference for good handling, anyway). Greatly increased inspection and maintenance requirements (see above points, both).   It is extremely necessary to ask what car you are talking about. Your discussion on strut tops, for example, would be completely wrong for an R chassis, but be correct for an S chassis. R32s have specific problems that R33/4 do not have. Etc. I have hardened rubber bushes on upper rear control arms and traction rods. Adjustable length so as to be able to set both camber and bump steer. You cannot contemplate doing just the control arms and not the traction arms. And whatever bushing you have in one you should have in the other so that they have similar characteristics. Otherwise you can get increased oddness of behaviour as one bushing flexes and the other doesn't, changing the alignment between them. I have stock lower rear arms with urethane bushes. I may make changes here, these are are driven by the R32's geometry problems, so I won't discuss them here unless it proves necessary. I have spherical joints in the front caster rods. I have experienced absolutely no negatives and only positives from doing so. They are massively better than any other option. I have sphericals in the FUCAs, but this is driven largely by the (again) R32 specific problems with the motion of those arms. I just have to deal with the increased maintenance required. Given how much better the front end behaves with the sphericals in there.....I'd probably be tempted to go away from my preference (which is not to have sphericals on a road car, for 2 of the 3 reasons in the bulleted list above), just to gain those improvements. And so my preference for not using sphericals (in general) on a road car should be obvious. I use them judiciously, though, as required to solve particular problems.
×
×
  • Create New...