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I don't have a spare car anymore, it's a custom made intake, no where to weld into. So no breather return until I make a new intake again ( number 4. And find a way to get a boost feed through a rubber hose.

Stao - it hasn't arrived yet

I... Don't understand lol.

Why is there no where to weld into? Are you saying it's made of rubber? That's even easier then man, you simply do as Sarge suggested and buy a brass nipple, heat it up so it's nice and hot, then push it into the pipe. Very cheap, and makes it's own seal.

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My intake consists of a 45 degree rubber bend 2 inches of steel pipe then more silicon pipe onto the afm. In the 2 inch pipe I have my bov return, I will try to make a new one and move the return so I can fit another pipe in but there isn't much space.

Mods list, il type in order that I did them- hks high power cat back, gutted cat, k&n panel filter, spitfire coil packs, just jap bellmouth dump, just jap front mount, hypergear atr43ss1, Nissan 450cc 350z injectors, walbro gss342, nistune, z32 afm. I think that's all but maybe not.

So put the PCV return on the opposite side of the steel pipe to the BOV return? On a 2" long pipe with 3" diameter, there will be plenty of space to have two nipples.

A temporary option could be to block your bov for now and plumb your breathers into that nipple, at least then it would be somewhat driveable. May not work if the pipes are much different diameter though.

My intake consists of a 45 degree rubber bend 2 inches of steel pipe then more silicon pipe onto the afm. In the 2 inch pipe I have my bov return, I will try to make a new one and move the return so I can fit another pipe in but there isn't much space.

Mods list, il type in order that I did them- hks high power cat back, gutted cat, k&n panel filter, spitfire coil packs, just jap bellmouth dump, just jap front mount, hypergear atr43ss1, Nissan 450cc 350z injectors, walbro gss342, nistune, z32 afm. I think that's all but maybe not.

Nah I meant like every hose connection that you have made. So your boost source is running from the power steering and your pcv valve is venting to atmosphere.

My intake consists of a 45 degree rubber bend 2 inches of steel pipe then more silicon pipe onto the afm. In the 2 inch pipe I have my bov return

gutted cat

The mostly rubber intake could easily be collapsing when your boosting, causing a big boost drop up top.

If that is a stock gutted cat your not going to get farken anywhere with it. The stock cat is a 2.5" item and that half an inch difference will hold back up to tens of KW.

Ok people. Need some ideas, what will cause 400ish ml of oil to pump out of the breather pipe in a split second.

You have a big motor spinning around, sloshing oil everywhere, getting hot and just generally making plenty of vapour needing to be drawn out.

The bottom end would normally breath into the rockers and the rockers would then have the vapour sucked out through the intake pipe using the suction of the turbo.

That circulation system is no longer there, so when your motor builds up too much presure it will pop the dip stick out and indefinitely spray oil everywhere.

Do not bother doing anything but park that car until you have put a proper intake pipe on it and sorted out that gutted cat. Make sure you hook up the breathers properly and the BOV, get a boost source from your first available cooler pipe while your at it.

The rubber bend is off a ken worth truck, I dont think it can suck shut, I covered the air box hole and it actually hurt my hand before it sucked anything shut. I realize it would suck a lot harder under load/boost but I was curious.

I understand the vapors coming out but a big stream?? If it was hooked up my turbo would have drowned I oil.

The cat is a 3" cat.

I'm doing a compression test tonight to see if the rings are stuffed.

On a side note to add to my awesome luck with cars, my wife's car is melting fuses now. Yay :(

Instead of starting a new thread, here is some symptoms any clues would be appreciated

Misses badly over 4000rpm, idles on 3 cylinders, backfires on gearcchages after it misses. runs perfectly when the tps is disconnected,

Ahh ok AFM well if that's f**ked its even worse. The factory ecu will still run the car with the afm disconnected in a limp home mode.

It will run rich and with low timing with hard coded values as well as a much lower rev limiter. With extra richness is probably what's making it smooth

I would suggest re soldering the AFM before moving on to a new one. should take half an hour and could save you a bit of money.

The rubber bend is off a ken worth truck, I dont think it can suck shut, I covered the air box hole and it actually hurt my hand before it sucked anything shut. I realize it would suck a lot harder under load/boost but I was curious.

I understand the vapors coming out but a big stream?? If it was hooked up my turbo would have drowned I oil.

Number 1, your pipe could still be sucking shut at 20psi.

Number 2, if you have no crank case ventilation and the bottom end is full of gas/vapour/pressure what do you think will happen in the head? The RB's number 1 f*ck up is its oil system, it pumps too fast and drains too slow.

Putting 2 and 2 together your crank case needs ventilation so you dont get excess gas and oil sloshing around where you dont want it and it wont come streaming out the breathers.

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