01-27-2014 | #11 | |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: Spec vac draw for PCV's?
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Matters only that you're THINKIN'. And readin' it. Thinkin' is ALWAYS good. It's when stuff comes to ya'... And I wish some of you guys would read and feedback on the other post #218 in the Throttle Hesitation thread. _____________________________________________ ...and I'm still thinkin' on PCV oil pullin' through the burn... Marc acknowledged that a LOT of oil does come through the PCV. The plenum has a depression right at the PCV inlet port, where the oil collects (Primary butterfly location of course has a little to do with that). And isn't the Charcoal Cannister purge port right next to PCV port? Do the fuel vapors facilitate vaporization of the oil? Is Duty Cycle of CCP longer and more frequent in LT5, that other GM mills? If one uses lighter viscosity oil, then oil is gonna' more readily vaporize, and more readily pull from the crankcase, through PCV - correct? An ACCURATE oil level is imperative too, since too much oil gets foamed up by the crankshaft spinning through it??? __________________________________________________ _ Do oil catch cans have to be emptied? If so (or even if not), could a check valve be integrated into the can, to allow the accumulated oil to be purged through CCP? Could CCP Duty Cycle be re-coded to accommodate this???
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 01-27-2014 at 02:21 PM. |
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01-27-2014 | #12 |
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Spec vac draw for PCV's?
Here is what I am thinking
Just Do It. But in this case Do Not DO IT PCV System TIPS Do use an oil catch can See item#5. LT5 Added Systems Details for Oil Catch Can Installation Say Schrade........tell Daryll (GC) I am in Kauai Hawaii today. He is always wondering where I am.
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Left Clickable links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 01-27-2014 at 05:25 PM. |
01-27-2014 | #13 | |
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: Spec vac draw for PCV's?
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Hawaii. Pffft... Not enough Global Warming in SD???
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] Last edited by Schrade; 01-27-2014 at 07:02 PM. |
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01-27-2014 | #14 | |
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: Spec vac draw for PCV's?
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10 below zero this morning in SD ........70 in Kauai Hawaii. |
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01-27-2014 | #15 |
Join Date: Aug 2013
Location: ridgecrest ca
Posts: 104
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Re: Spec vac draw for PCV's?
what I have found with my 2 cars if I run the oil level right at the add line .I burn about 1/2 qt in 3000miles . when I first got both cars I ran the oil level all the way up and had to add oil about every 1000 miles . jmho
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01-28-2014 | #16 |
Join Date: May 2013
Location: Beaver, PA
Posts: 516
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Re: Spec vac draw for PCV's?
I was wondering the same thing as I used to do that in my other vehicles for that very reason but since some newer cars have oil level indicators and warranty stuff I stopped. I don't think my 90 has a oil level indicator in the crankcase or does it?
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01-31-2014 | #17 |
Join Date: Aug 2013
Location: ridgecrest ca
Posts: 104
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Re: Spec vac draw for PCV's?
my 90 doesn't but my 92 does . filling the way I shared I have never had the low oil level light come on in the 92. I have cked it to make sure it still works . I have been changing the oil in both my zr1s this way for almost 120k miles. yes I drive both cars as much as I can .lol what I do when I change the oil is put in 7.5 qts start her up for 20 seconds . then the next morning add what ever I need to to bring it up to just above the add line . usually it isn't very much at all maybe 1/3 qt
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01-31-2014 | #18 | ||
Join Date: Dec 2012
Location: NC
Posts: 1,786
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Re: Spec vac draw for PCV's?
Experimentation and new stuff [ideas] ! Looks like a summation of just about every one of my posts there Mr. P!
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====================== So to get back on topic here, and not boost my own thread ... Problem is oil fouling the burn. Objective is filtering the oil / fumes, sans the 'old' way (catch can). PCV SOURCE air comes in from IN FRONT of the TB butterfly. PCV purge is BEHIND the butterfly. With 2 LARGER vacuums 'feeding' (??? ) the cam covers (and another vacuum besides, pulling EVAP), and one smaller vacuum PURGING PCV, WHAT'S THE NET VAC DIFFERENCE??? And how much vacuum is necessary to maintain purge? If only a nominal amount is necessary, then we REDUCE the source ports, move the purge up front of the air filter, and increase the line size enough to maintain pressure differential. Thoughts? Opinions? More ideas here? Always thinking; experimenting ...
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I'm getting my snappics / threads removed blindly as fast as I can, to get in compliance with copyright / license TOS on the boards here (lots of FSM pages and other copyright / license violations on my part; sorry guys). And thanks to all the guys who didn't whine when I posted those FSM copyrighted / licensed stuff in my threads... ( :thumbsup: [b]and to think I complied with a mod's request to delete a pic of him in a Challenge Car in NCM Museum, so he wouldn't get in hot water)[/b] Thanks to several guys here for sending parts FREE; BearlyFlying, WeGone, Geezer, GoldCylon, and more there, TonyD, mike100, fletchusmc... 1990 #2794; 4L60e Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless, Power Effects 3" [IMG]https://lh5.googleusercontent.com/-GHpfzty7DVU/UQn-0Ru2xAI/AAAAAAAAA14/08mz1p4QLD4/s445/Screenshot-5.png[/IMG] |
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