Recent content by FEI

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  1. FEI

    P38 gearbox grinding and diagnosis (ZF4hp22)

    Does the gearbox slip once its in gear? That will be the main symptom of low oil pressure.
  2. FEI

    M57 classic conversion

    Yeah it works now
  3. FEI

    M57 classic conversion

    It says your video is private
  4. FEI

    My crazy diff ratio change idea

    If you just going to scarp it why all the bother? Just thrash it down the road at 1500rpm instead of 1200rpm and be done with it.
  5. FEI

    My crazy diff ratio change idea

    If your diffs new diffs fit physically. Your torque converter will spend more time out off lockup. That will result in more heat in your atf fluid so a slight decrease in atf fluid lifetime. Then higher cylinder pressures. It will take x amount of energy to move the car down the road at a...
  6. FEI

    My crazy diff ratio change idea

    Id love to hear how this plan works out too
  7. FEI

    My crazy diff ratio change idea

    @RRMaximus you have alot of perseverance. You keep on bleating that you want to lower your RPM but if not fuel economy then why? If its for engine longevity you do realise that a lower RPM but higher throttle request cause higher cylinder preasures. Higher cylinder preassures cause, more...
  8. FEI

    P38A [P38] Common coolant leak locations

    +1 on the loctite The screw does tend to work itself abit looser during the first few heat cycles.
  9. FEI

    EAS rear suspension dropping

    The valve stuck closed fault can be two possible faults. Its either that the valve is actually stuck closed. Or its a faulty height sensor. If the EAS controller reads a certain height that is too low and its tries to pump up the coresponding airbag but it doesnt see a change on the sensor value...
  10. FEI

    P38A [P38] Common coolant leak locations

    The bottom of the throttle body where the coolant runs through is held on by 3 tiny bolts, if the seiling surface is not perfect or if these bolts get over thightened or if the gasket gets old it will leak. Clean it properly, flatten and clean the little plates sealing surface with some sand...
  11. FEI

    RRC with the best parts from newer RR

    Youll have to stick with the Borg warner transferecase because of the left hand drop propshafts. The LT230 is right hand drop. If you going to take P38 axels use the P38 air suspension too, the P38 air suspension is set up for solid axels while the newer airbags from independent suspension...
  12. FEI

    RRC with the best parts from newer RR

    Yeah i think the TDV8 had the 8HP. This is what i would do B57 engine along with its 8HP transmission out of a G05 BMW X5 and all its electronics that go with it, mainly the ECU. Design an adaptor plate to fit the borg warner transfercase to the 8HP. I would try to stay away from newer Range...
  13. FEI

    RRC with the best parts from newer RR

    Have a look at the ZF8HP transmissions. They are a decent step up from the 6HP. Im in the planning phase of changing my P38s 4HP to an 8HP a really cool part about this is the 4HP has a 2.7:1 1st gear the 8HP ive gotten has a 5.5:1 1st. So crawl speed is going to be insanely slow. The breaking...
  14. FEI

    P38A Tuning the 4.0 thor

    Tornado is trying to sell their stuff so of course they are going to say its worth it. It just makes way more sense to do the cam and ecu at the same time. Its not a national secret but the knowledge is guarded by a huge amount of man hours to reverse engineer what each bit on that eeprom chip...
  15. FEI

    P38A Tuning the 4.0 thor

    As far as i know its only tornado thats able to "tune" the bosch ECU's. Without doing the cam its virtually pointless to tune the ecu. But these engines are good ones to learn on, they still quiet simple and there is a huge amount of resources available online.
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