Why is it recommended that you !PCV when going FI?
ok so is anyone running there valve covers back to a down pipe? I have no muffler.I have a bullet at the very end of my set-up, about mid pass. door.
so why couldn't I run a line from each valve cover to the down pipe right before the bullet. bascially I just have to weld the fitting in so that the angle part flows with the exhaust gases? looks like you have it sticking in there just deep enough for that notch to grab air? I just dont see why it works on big n/a motors but no one seems to do it on turbo motors.
so why couldn't I run a line from each valve cover to the down pipe right before the bullet. bascially I just have to weld the fitting in so that the angle part flows with the exhaust gases? looks like you have it sticking in there just deep enough for that notch to grab air? I just dont see why it works on big n/a motors but no one seems to do it on turbo motors.
if you use the exhaust evac tubes, place them far enough away from the engine, might want to check your egt don't want to go up in flames, i don't think dumping oil into a hot downpipe would be a good idea. I think the supra guys use them, seems like there is catch can in between to prevent oil from going in the exhaust. I know there was a post by Parish on the truck forums about them, but I can't seem to find it.
if you use the exhaust evac tubes, place them far enough away from the engine, might want to check your egt don't want to go up in flames, i don't think dumping oil into a hot downpipe would be a good idea. I think the supra guys use them, seems like there is catch can in between to prevent oil from going in the exhaust. I know there was a post by Parish on the truck forums about them, but I can't seem to find it.
I have the following setup on my Jetta TDI: the factory has a port on the corner of the valve cover with a plastic pipe routed to the intake (before the turbo). Problem with that setup was it gunked the intake up really bad with oil residue. Solution for me was a Tractor's Supply water separator between the valve cover and the intake. Works like a charm, catches all kinds of oil and water and my intake stays clean. Total mod >$20.00. I wondered if I might add this to my turbo motor because it's really cheap and minimally invasive and is effective in this small application (though boost can reach 20# plus). I thought I might just tee the brake booster line on the back of the intake with the water separator in between. I've got one factory hole on the driver valve cover but I suppose I'd have to add another to the pass valve cover. Thoughts?
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I researched crankcase evac setups for a couple months and I ended up going with what in my mind made the most sence... I ended up calling tracy at revextreme and having him make me a custom catch can with check valves... One port goes to the intake and another port goes to the filter on the turbo with the remaining port going to the rear driver valve cover. I am also running a breather filter on my oil fill cap which acts as my crankcase fresh air source.. the air is then pulled through the crankcase to the catch can where at this point it is sucked through either into the intake or turbo filter based on if the motor is na or seeing boost. And if worse comes to worse the extra pressure will just go right out the breather filter. So far everything seems to be working.. I will be posting a thread in a month or so when I can do some more testing and beat on my setup a little more
I just ditched my PCV yesterday, I had a catch can inline with it but my plugs looked pretty bad and the can was full of oil, like alot of oil. I had my PCV in the drivers side VC and it was pulling oil like mad (no baffles). I don't have an LS6 valley cover so there's no where else to put the valve.
I think I've decided what I'm gonna do. I'm gonna drill a hole in the middle of the valley cover and add a hose barb. Then I will run a hose to the water separator and then out the other side will go to the intake manifold. Regardless, it will be pulling the gases through. Then I'll stick a filter down the rubber grommet on the driver side valve cover. Water separator, all the fittings, hose, and little filter ought to be about $35 plus my time.
