Subject	I think the main benefit of applying a vacuum to
Posted by	aliaZ on April 21, 2011 at 10:52 AM
	This message has been viewed 872 times.
In Reply To	Yes, that is quite a bit different. :) I actually saw a posted by Ash's Z on April 21, 2011 at 07:58 AM
Message	the crank case is improved ring seal The larger pressure differential you speak of is a wash...while it would help on downward strokes of the piston (intake and power stroke) it would hurt on compression and exhaust
Follow Ups	PCV System, Explained, Deleted >>> - Ash's Z 16:21:23 04/19/11 awesome write up... - Madhatter10-6 16:31:43 04/19/11 Interesting... (n/m) - ForceFedTT (SoCal) 16:36:03 04/19/11 Ingenuity at its finest right here.... Makes me wonder... - samsungz 16:47:30 04/19/11 Z-Shotta! - zgene4 17:30:02 04/19/11 You rang my lord? :) (n/m) - samsungz 17:36:47 04/19/11 crap (n/m) - zgene4 17:40:35 04/19/11 Your about 48hrs late to the party, your dinner is in the... - samsungz 18:08:03 04/19/11 speakeing of late, have your turbos been released yet? - zgene4 18:15:29 04/19/11 Negative Ghost Rider, it's a recession, there is BIG $.... - samsungz 18:37:44 04/19/11 Personally I did Woody's Re-Route, but I am liking this alot (n/m) - Zinn2win 16:48:51 04/19/11 They are 2 different things. - Woody75 (Denver) 07:48:26 04/20/11 What effect would keeping the Woody75 re-route + venting - KevinZtwin 11:02:25 04/20/11 You make it sound so simple...is there really no downside to - Wright (Ca) 16:57:11 04/19/11 and is it really so simple with the motor in the car? (n/m) - blackomega 16:59:52 04/19/11 It really isn't all that bad. Of all the steps, the hardest - Ash's Z 17:49:48 04/19/11 (well, i bookmarked it) oil catch can vs filter - blackomega 23:48:52 04/19/11 there are downsides to this - aliaZ 18:08:10 04/19/11 I understand moisture being a problem, but can you explain - zgene4 18:18:14 04/19/11 there is no active ventilation to purge blowby gasses - aliaZ 22:12:13 04/19/11 wouldn't an oil catch can would be better than a filter ? (n/m) - The Devils Z 17:10:12 04/19/11 Yes. - KongZTT GT28RS MD 17:18:18 04/19/11 I cannot speak to how the crankcase is configured on an - Ash's Z 17:42:39 04/19/11 It wasn't alot of oil that came out.. but I hated - KongZTT GT28RS MD 19:41:26 04/19/11 post in technical so we can VTF (n/m) - MrOzzie5183 17:13:18 04/19/11 I will put together a full writeup on this process in the - Ash's Z 17:47:56 04/19/11 Agreed, I got rid of it on my car a long time ago. (n/m) - Russell@Z1 17:28:36 04/19/11 Re: PCV System, Explained, Deleted >>> - ouikikazz 18:06:50 04/19/11 So let me get this straight.... - Serg300zx 18:10:46 04/19/11 generally you'll find that the positive pressure - soulpwr 20:29:02 04/19/11 The VG head has ports where the pressures SHOULD - KongZTT GT28RS MD 20:36:08 04/19/11 Am I understanding your logic? - enthuZiast 19:03:29 04/19/11 Re: Am I understanding your logic? - enthuZiast 19:09:05 04/19/11 Re: Re: Am I understanding your logic? - Dallas DamonZ 08:39:16 04/20/11 thanks for the info, I think I'll still go with a catch can - FuerGrissa 19:17:40 04/19/11 Re: thanks for the info, I think I'll still go with a catch can - enthuZiast 19:20:58 04/19/11 SZ has been doing this for a while...except the filter part - ZonaZ 19:20:10 04/19/11 same here, I did mine like this following Piranha's and your - DarkZide 20:27:18 04/19/11 no issues yet? - aliaZ 22:29:37 04/19/11 I am more worried about oil entering my plenum and - DarkZide 23:33:28 04/19/11 all engines have blow-by - aliaZ 05:55:21 04/20/11 Good job DarkZide... glad it worked out for you :) (n/m) - Piranha 18:11:59 04/20/11 I've had mine deleted for over 40k miles. - xpwarrior 20:22:57 04/19/11 2nd the 1/4" BSPT plugs, correct thread (n/m) - ZonaZ 21:20:42 04/19/11 British thread is hard to find! - zfreak(Dallas) 21:35:17 04/19/11 have you had an oil analysis done? - aliaZ 22:20:43 04/19/11 No I haven't done an oil analysis but.. - xpwarrior 08:50:25 04/20/11 I did this and oil got contaminated quickly - sparkie 02:02:28 04/20/11 Exactly! - DVDBURN (MD) 03:39:48 04/20/11 Good link ty (n/m) - ztunerz 04:15:13 04/20/11 agreed (n/m) - aliaZ 05:47:02 04/20/11 I change my oil every 3K miles. If your oil doesn't smell - Ash's Z 08:26:02 04/20/11 The advantages are not clear cut to me... - Zarcasm(Hfd, CT) 10:13:42 04/20/11 Fuel in the oil will reduce lubircity and accelerate wear. (n/m) - BigTDogg (MA) 10:41:32 04/20/11 Understood. But the question here is how much is too much? - Ash's Z 10:53:26 04/20/11 IMHO, I'm not buying the value of deleting it. Just IMO (n/m) - BigTDogg (MA) 11:03:31 04/20/11 Give Greg D a call and your opinion will change :) (n/m) - Piranha 21:06:00 04/20/11 the only objective way to assess the impact of deleting the - aliaZ 11:26:48 04/20/11 ^^^^^ This is the best advice! (n/m) - MixManMash 11:46:01 04/20/11 This same topic is no different than the underdrive pulley - Ash's Z 11:47:45 04/20/11 Except oil analysis is much easier than long-term harmonics - SeedyROM 18:47:43 04/20/11 I honestly haven't looked into oil analysis before but it - Ash's Z 20:59:03 04/20/11 It certainly depends on what they measure and how - SeedyROM 04:14:36 04/21/11 Yes, you are right. :) Unfortuantely it would be a pain to - Ash's Z 07:36:57 04/21/11 pretty straightforward - vorpalZ 10:33:40 04/21/11 Nice - thanks for the info! :) (n/m) - Ash's Z 12:25:07 04/21/11 Will your accordion replacements still have the port - BigTDogg (MA) 06:36:37 04/20/11 Its an option. (n/m) - ZiNnYc 08:01:35 04/20/11 Question here... - MrOzzie5183 10:11:06 04/20/11 that is what I did - aliaZ 10:31:52 04/20/11 When the PCV valves are - xpwarrior 10:46:47 04/20/11 I was thinking the same thing. (n/m) - Wright (Ca) 11:56:09 04/20/11 correct (n/m) - aliaZ 13:05:17 04/20/11 Another pro for MAP (n/m) - ztunerz 17:41:03 04/20/11 wouldn't the oil still get sucked in from the exhaust VC's? - ali300zx 10:47:17 04/20/11 yes (n/m) - aliaZ 13:06:20 04/20/11 Nice, writeup. Did this on a number of Z's in the past, and - Milo (SATX) 13:03:36 04/20/11 Re: Nice, writeup. Did this on a number of Z's in the past, and - aliaZ 13:12:09 04/20/11 Agreed. There are plenty of examples of cars running - Ash's Z 13:51:00 04/20/11 fair enough (n/m) - aliaZ 14:33:16 04/20/11 If it's that important to you - xpwarrior 16:09:50 04/20/11 you would need a before/after analysis - aliaZ 17:44:41 04/20/11 You seem to be the one trying to prove that the oil will - KevinZtwin 18:07:06 04/20/11 not really - aliaZ 19:36:01 04/20/11 The reports from Blackstone Labs - xpwarrior 18:27:48 04/20/11 I've talked about doing a pcv delete with friends - spdrmn15 19:21:48 04/20/11 My biggest concern is the coating within the intercoolers - Ash's Z 20:47:04 04/20/11 Maybe I wasn't very clear. - spdrmn15 21:28:32 04/20/11 Yes, that is quite a bit different. :) I actually saw a - Ash's Z 07:58:58 04/21/11 I think the main benefit of applying a vacuum to - aliaZ 10:52:45 04/21/11
Post a Followup	You cannot reply to this message because you are not logged in.