Dragons Tail @ ZDayz 2013 [CENTER
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06-24-2013, 11:02 PM | #557 (permalink) |
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Drives: 09 Nissan 370z BS M6
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Bad ***!
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Nismo S - Tune Body Kit/ UAM Fenders / Fast Intentions CBE 12/ Stillen CAI/ PWD JDM Shift Knob/BlueBat Vinyl' R.I.P Garrett Uekman |
06-25-2013, 07:10 PM | #558 (permalink) |
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Dude the Z has come such a LONG WAY, great job man!!!!
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Full Carbon Fiber Nissan 370z "400zTT" Fully Built 4.0L Twin Turbo 1300hp, 1100whp. Follow me on Instagram at http://www.instagram.com/carbonz. |
06-25-2013, 08:48 PM | #560 (permalink) |
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Nice, car was lookin good..
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Did new cool science stuff to the car !!!
http://www.the370z.com/mazoc/99606-z...y-14-17-a.html http://www.the370z.com/diy-section-d...-w-videos.html |
06-25-2013, 10:13 PM | #562 (permalink) |
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you know it... BTW I still need to flush my tranny fluid hahah
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Full Carbon Fiber Nissan 370z "400zTT" Fully Built 4.0L Twin Turbo 1300hp, 1100whp. Follow me on Instagram at http://www.instagram.com/carbonz. |
06-25-2013, 11:46 PM | #563 (permalink) | ||||
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13 370z- Last edited by synolimit; 06-26-2013 at 12:14 AM. |
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06-26-2013, 07:54 AM | #565 (permalink) | |
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Yes, but disconnecting or disabling the sensor will disable VDC completely, and cripple the non-LSD cars even more. |
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06-26-2013, 08:13 AM | #566 (permalink) | |
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I just want to say one last time that if you put breather filters on all four PCV connections, you will have no more positive crankcase ventilation.
Your crankcase will be ventilated, of course, and any pressure build up due to blow by will be relieved, but fuel and water vapor will condense inside your crankcase every time the engine cools and nothing will forcibly remove those vapors while the engine is warming up. PCV exists for reasons other than just emissions, it keeps potentially corrosive vapors from collecting inside your crankcase. Sam is absolutely correct that it will not hurt anything short term, but think about what is going on inside there over the course of a year or more. Water and gasoline sitting on parts that were never meant to have water and gasoline sitting on them. I just really think it's foolish to do the "elimination" when you gain absolutely nothing by doing it and cause a vulnerability in the process. Last I'll say on it, I promise. Quote:
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06-26-2013, 01:06 PM | #568 (permalink) | |
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13 370z- |
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06-26-2013, 01:12 PM | #569 (permalink) | |
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With FI it's probably smarter to eliminate it than to leave it. You're looking at a very different engine ecosystem with boost. |
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06-26-2013, 01:21 PM | #570 (permalink) | |
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Every factory FI car I've owned had it, worked fine. Difference all of those systems are draw-through rather than blow-through. As Syno has pointed out, the valve closes so as not to allow pressure into the crankcase. Under boost, no evacuation occurs, this is normal. Off boost, the system works as previously. We're talking about 8-9 PSI at most on the stock bottom end, so the boost pressure isn't likely to destroy the PCV valve. I can see how you'd pretty much have to run breather filters though, otherwise the inlet ends up being on the cold pipe (and thus pressurized) since we run blow-through FI on these cars. I can tell you from testing that the car will adjust the idle air bypass to adjust for what is essentially a vacuum leak if you run the PCV vacuum without having it plumbed to the intake tube. With proper tuning, it could probably be made to work fine, so that's my suggestion: Breather on inlet, outlet to manifold, drivability tuning to account for the more or less static rate of flow through the PCV system off boost. Static meaning the orifice is always the same size, so you can adjust for it easily. You'll get the good evacuation without the risk of boost pressure causing issues in the crankcase. Win/win. |
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