TwinTurbo.NET: Nissan 300ZX forum - the only objective way to assess the impact of deleting the

TwinTurbo.NET: Nissan 300ZX forum - the only objective way to assess the impact of deleting the

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Subject the only objective way to assess the impact of deleting the

Posted by aliaZ on April 20, 2011 at 11:26 AM

This message has been viewed 832 times.

In Reply To Understood. But the question here is how much is too much? posted by Ash's Z on April 20, 2011 at 10:53 AM

Message PCV system is to do before/after oil analysis, IMHO
There are too many variables that can cause outright engine failure, so using that as a metric isn't really useful

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

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