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Old 7th May 2008, 12:14 PM   #91 (permalink)
Dezigns
Team NZH: Retired
7,000rpm (Peak Power)
 
Join Date: Jan 2002
Posts: 3,543
Location: Auckland
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Re: Jtune Battle day ! !

Quote:
Originally Posted by doo0T!doo0T! View Post
^^ I remember ages ago seeing you on the dyno at torque performance and it was the killer smoke screen on over run holy-shit there was a lot of smoke could barely see the car.
haha yeah that was on stock twin turbos with bad oil seals this turbo smokescreens worse than that, just idling.

So Ive got the inspection sheet from Alltech... bear in mind this turbo has been idled in the driveway for 30 mins, and driven about 5km.
Seems to be a conflict in here, that the seals are leaking due to too much oil, but the bearings are scoured from not enough oil?

Quote:
Originally Posted by Alltech
The turbo has been disassembled and inspected the following observations have been made.

* Turbo is leaking oil from the compressor and turbine ends
* All sealing surfaces show no signs of wear
* All piston rings are undamaged and fit correctly into ring grooves
* Bearings and bearing surfaces found to have signs of scouring
* Turbine shaft and turbine end bearings have heat discolouration.

Conclusion:
This evidence shows that the cause of the oil leak has not been caused by a failure within the turbocharger.
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Mazda FD3S RX-7 Type-RZ :: Greddy T88-34D :: 401.5kw
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