Subject	it's the lack of backpressure that causes the oil leaking
Posted by	mousersix (San Antonio) on February 10, 2006 at 3:25 PM
	This message has been viewed 54 times.
In Reply To	Both seals are the same from what I've looked at posted by 00Evan on February 10, 2006 at 02:57 PM
Message	(apparently). Believe it or not, since the exhaust gas is in pulses, the space between the pulses is in vacuum. I assume this is when the oil is allowed through since the pressure difference between the oil in the turbo and the exhaust is the greatest. Also, a lot of the time, the intake system is not in vacuum. Theoretically, if the seal did leak, it would leak when the pressure difference is the greatest, and for the intake side, that would be at idle. AFAIK, the oil seepage problem is mainly during acceleration, not idle. Or has someone had the smoking problem at idle due to open exhaust? -Andrew '90 Aztec Red NA > TT
Follow Ups	Smoking Turbos (NOOB Question...) - LUNZ 12:17:29 02/10/06 go to tech and read, that dead horse is fully beaten (n/m) - LJZTT 12:19:57 02/10/06 You should have been able to answer this yourself - mattztt 12:23:19 02/10/06 Yeah... - LUNZ 12:25:52 02/10/06 smoke, but not smoking turbos... - drmx 12:25:25 02/10/06 thats because you are running rich. (n/m) - Spee 12:29:35 02/10/06 it's all about the bling, yo! (n/m) - SactoTodd 12:32:13 02/10/06 True story. (n/m) - Kez43 12:59:22 02/10/06 JWT ecu, maybe the 740's will lean me out lol - drmx 13:59:51 02/10/06 there is no concensus. - Spee 12:28:10 02/10/06 That's not what Borla or JuniorTT says.... (n/m) - brahmabull (NoVA) 12:31:24 02/10/06 Which lends even more credibility to Spee's argument. (n/m) - Kenny 12:33:18 02/10/06 ??huh?? - Dave N 13:13:22 02/10/06 ?Como? (n/m) - ZXRider(SoCal) 13:15:11 02/10/06 ehh? (n/m) - TT XTZ 13:17:35 02/10/06 /\/\/\ vtb!!! (n/m) - Dustin 13:24:16 02/10/06 Good call. ;-) - TT XTZ 14:50:52 02/10/06 2nd - nissanZtt222 12:32:55 02/10/06 Thanks... :) (n/m) - LUNZ 12:36:25 02/10/06 No one has answered my question yet. - 00Evan 14:24:36 02/10/06 Perhaps the oil is leaking into the turbine side of the - 240Z FeO2 14:50:25 02/10/06 But the explination given is - 00Evan 14:56:02 02/10/06 lets work through this rationally - mousersix (San Antonio) 14:55:04 02/10/06 Both seals are the same from what I've looked at - 00Evan 14:57:42 02/10/06 it's the lack of backpressure that causes the oil leaking - mousersix (San Antonio) 15:25:24 02/10/06 im pretty sure the intake side of the turbo always sees - nissanZtt222 16:43:07 02/10/06 Right, so then why would the oil leak into there? - mousersix (San Antonio) 22:35:53 02/10/06 your right - nissanZtt222 15:38:48 02/11/06 You're completely missing the point of what I am saying - 00Evan 17:01:46 02/10/06 I don't think so, but oh well. - mousersix (San Antonio) 22:39:17 02/10/06 think of the direction of air flow as well... - nissanZtt222 16:40:40 02/10/06
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