I think it just got away from them a bit with the number of controlled leaks they added.
I don't think it was ever designed to be low pressure/high volume as people on the net seem to think.
Wiseco: And there aren't really any "seals" in a turbo that can be damaged by high oil pressure (ie no rubber lip type seals)
If you have adequate drain most turbos won't have a problem at 100 Psi.
(again the feed size is important in this as well as it's usually volume that floods the Turbo...
"T" is the hardness and T6 is what we would normally see as "Hard" aluminium but it's still quite soft and prone to wear.
Having them hard anodised can bring the surface hardness up to 40+ rockwell which is harder than some steels and reduces wear, my set have 0 wear so far so it's well worth...
Allan: Yep I think the 1.1L and up motors upgraded to the 32mm buckets same as a JZ.
32mm is much nicer gives the springs a chance to disperse heat at high rpm.
After having an Oil fire on a turbo Lancer from a burst pressure hose I keep extinguishers in all my cars. (Had one in the Lancer just never much bothered with the DD's)
Bit of a clue with dry power ones though is give em a good shake before use as they compact riding around in cars and do...
Mad: 10mm is where the geometry starts spitting shims out if you rev it hard.
Rich: Longer stems would be a nicer way to do it ;)
(just so happens JZ are longer)
Wes: Also a good idea if you can have them hard anodised so they don't wear out. (Got my set Yannis had made for me done awhile back and it's not too expensive)
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