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Alan L Alan L is offline
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Join Date: Apr 2006
Location: New Zealand
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Jim, The 2 psi I refer to is SBK blowing into the oil feed pipe to the turbo. And seeing oil weep out. This is the pipe that feeds the turbo under normal engine oil pressure. So you would have to conclude the issue is in the turbo if it weeps under a pressure of 2psi? - which is about as hard as you can blow (Rawkees excepted).
SBK has rigorously shown the scavenge pump more than keeps up.
So, we are back to the turbo?
SBK, yes the wheel and shaft are one (I think it is the intake wheel?) . I had to replace as a unit when my shaft was damaged. Maybe they got a Chinese one?
Waiting to hear from my turbo guy who rebuilt mine.
Regards
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-)
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