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Scott Black

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Everything posted by Scott Black

  1. Scott Black
    Time for some e85 then
  2. Scott Black
    Just shy of 1000rpm exhaust manifold and external gate, on an rb30, turbo rear housing was also changed yet to one of the same ar
  3. Scott Black
    A proper manifold and external gate will do wonders. I used to be a bit sceptical until I tried it on my own car, on turbos around the gt35 size you can pick up almost 1000rpm in spool and that will change the entire feel of the car
  4. Scott Black
    On a serious note however http://www.hypergearturbos.com/index.php?route=product/product&product_id=57 Scroll down. Click dyno results, scroll down and read special consideration for rb25 and it has some info on this for you
  5. Scott Black
    f**k it 40psi then you get an excuse to build a 3l
  6. Scott Black
    For skitzvk
  7. Scott Black
    I can't link to it as using mobile yet I'll bump a thread to the top here to help you
  8. Scott Black
    I also know there interference. Yet I'm interested if your experience has anything to do with your user name
  9. Scott Black
    On the engines I've dealt with that have had bent valves about 80% have been able to get new valves. Lap the seats and away you go. The others were not so lucky
  10. Scott Black
    Lots of people have this issue. It's even mentioned in the pdf iirc, there's a few solutions to it. Changing position of tensioners helps as does some bracketry people have made
  11. Scott Black
    Basically use r33 crossmemember and mounts.will need a custom gearbox mount and a cut n shut taikshaft.
  12. Scott Black
    Yeah if it's getting stupid amounts of pressure from one minute running when dead cold then it's f**ked. Sorry to hear
  13. Scott Black
    When you unbolt the heat exchanger you will see a metal fitting in the block. If you unscrew it a rb30 stud screws in, can be bought from Nissan for like $10 then a oil filter will screw straight to.the block. However it's best to use a z418 with an internal bypass valve after that as the z145 doesn't have the internal bypass as it's built into the heat exchanger
  14. Scott Black
    http://wbtools.com.au/products/automotive-equipment/tee-kay-head-check-combustion-leak-detector/ is a tk test, basically you use the pump on it to Pump some air off the top of the radiator and if the fluid the air goes threw changes colour it means there's combustion gases in the cooling system, with the most likley cause being a blown head gasket. However if you have oil and water mixing with a negative tk test and even compression it's most likly not from a blown head gasket
  15. Scott Black
    Was the motor warm, as the radiator will pressurise normally. Idealy I'd do a compression test. Tk test, and if there both ok then I'd just pull the water lines off the heat exchanger, loop them together and get the rb30 oil filter stud and remove the heat exchanger all together
  16. Scott Black
    Turbosmart make a sensor for there gates you can buy to tell you how open they are
  17. Scott Black
    Log fuel pressure to check yet I'd say it's prob not going to be the reg itself, what ecu and what have you tried in terms of transient settings
  18. Scott Black
    Also the power diffence is sfa when considering its 2 differnt dynos on 2 different days, I'd love to see the boost plot from the dd run as a tiny overboost would explain the hump around 4g on the dd graph Also the 550nm mainline number in this case would definitely be the bs number as with out a rpm trace there's no way it can give torque reading with reference to the engine
  19. Scott Black
    http://docs.google.com/gview?embedded=true&url=http://www.mainlineauto.com.au/images/downloads/DYNO_TORQUE_FIGURES_-_THE_TRUTH.pdf I posted this in a differnt thread a week or so ago. Should help you understand a bit better
  20. Scott Black
    If it has fuel in it that's a year old I'd be doing that first, never good to use old fuel in anything
  21. Scott Black
    That is exactly what derived rpm on a mainline dyno does and what it was designed for . And it's the only one that crossed hp and lbft at 5252, yet to be accurate needs either rpm pickup, ecu or obd comms enabled to get a good rpm signal. There derived rpm option is a joke for torque readings as to many factors induce slip
  22. Scott Black
    That's pretty much what I was questioning as Derived torque on mine is the one that generally gives the most realistic and lowest numbers. Just loaded a run up now, 165rwkw rb25 making 256nm derived torque, 418nm torque and 3842 motive force with derived torque being the only one based of engine speed instead of roller speed.
  23. Scott Black
    Why don't you like derived torque? Have you read this http://www.mainlineauto.com.au/images/downloads/DYNO_TORQUE_FIGURES_-_THE_TRUTH.pdf On my dyno I find derived torque gives me a much more comparable readings between setups.
  24. Scott Black
    With the same Springs?
  25. Scott Black
    https://www.sau.com.au/forums/topic/409270-cheaper-turbo-manifolds-i-know-sigh/
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