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Stock block LS6, ARP studs, AI ported 243s, meth, novi 1500, tick blower cam
Car was running great when the trans went, so I had the trans rebuilt. Planned on driving it tomorrow so I checked the PCV MM catch can today, and it was full of very clean coolant.
The oil was not milky, only had 562 miles on it and looked like very slightly used oil. Also not missing any coolant.
WTF???
Boost proof end of can goes to blower filter, -10 an on can goes to -10 an on oil cap
Last edited by nullpointer; 08-20-2015 at 09:33 PM.
I have seen brand new looking coolant come out of an oil pan before. After sitting the oil and coolant separate. You will only have the milkshake looking stuff if the engine has been ran recently. Drain your oil and see what's up.
I have seen brand new looking coolant come out of an oil pan before. After sitting the oil and coolant separate. You will only have the milkshake looking stuff if the engine has been ran recently. Drain your oil and see what's up.
I have only a few minutes of run time on the oil, I'll have to run it a bit and then check.
Update: Oil looks fine, clean as its brand new oil. How fast would you trash the bearings if there were some coolant in the oil? Thinking of staying out of boost and driving around the block a few times, then checking oil and catch can.
If it were my car I would drive it (easy) and see if it repeated the issue, but that's just me. If you haven't already done it pull and check the plugs for good measure. I don't really see you pushing water, but stranger things have happened.
If it were my car I would drive it (easy) and see if it repeated the issue, but that's just me. If you haven't already done it pull and check the plugs for good measure. I don't really see you pushing water, but stranger things have happened.
I don't see this setup pushing water either, I planned on driving it easy tonight to see if it fills the catch can. If not, then add some boost. If it didn't start, idle, rev perfectly I would be more worried.
Hi , I'm redoing my fuel system, due to pressure issues , got the car back from tuner and while working on it I happened to notice oil level on my c/ can was at mid point on the external tube , took it out yesterday and emptied it into a jar , em that looks like coolant .
I am using prestones yellow , ended up with half a jar and a couple of drips of white froth on top. So I know exactly how you feel mate.
Motor has about 600 tuning miles on it , drivers side valve cover to cc then to air filter box, pass side to another cc to intake tube .
Oil looks a little dark but no coolant ??? .
I paid real attention when bolting up the heads , 15lbs boost could that be heads lifting .
I took at look at the MM PCV can routing and compared it to the car, as the shop modified how I had it setup. Originally I followed the directions provided by MM, but the shop didn't know it was a PCV can. After 20 minutes of correcting the routing, I have it matching the instructions.
Drove the car for 35 miles and this is what was in the can, didn't smell like antifreeze. Will still check oil and perform a leak down test. Also I drove it to test out the transmission as it just got rebuilt, stubborn I know.
Last edited by nullpointer; 08-26-2015 at 03:45 PM.
I took at look at the MM PCV can routing and compared it to the car, as the shop modified how I had it setup. Originally I followed the directions provided by MM, but the shop didn't know it was a PCV can. After 20 minutes of correcting the routing, I have it matching the instructions.
Drove the car for 35 miles and this is what was in the can, didn't smell like antifreeze. Will still check oil and perform a leak down test.
No, the valley was tied to the valve covers. Valve cover to breather, breather to blower filter. I see no way the motor could breath properly, but then again I don't know too much about the PCV system.
I have just pressure tested my coolant system, pumped it to 15psi and it didn't move at all over a 2 hour period, cold .
Could you get a different result with a hot motor, might be a it dodgey trying to test with hot coolant, pressure is pressure thinking more expansion of heads and block.
I did put the contents of the c/ can in the freezer, was solid within an hour. I'm using a 50/50 mix which according to bottle label should be good to -37 , will test a sample from the coolant tank as well but maybe it's not antifreeze in my cc .
Is it possible it's just moisture built up from random tuning , stop start etc
Motor hasn't had a chance to bed in ?
Is there any truth in " every gallon of fuel you burn you produce a gallon of water " and could that get passed the rings and into the sump, evaporate and end up in the cc .
I'm at a loss on this one. I could see how the catch can could capture the coolant once it was in the oil.. the question is how the heck did it get to the oil?
Do you have an engine oil cooler built into the radiator by chance?
Only other options seem like bad ones that would be more obvious
I'd keep a very close eye on what your oil, coolant and catch can trappings look like for a while.
I saw the stuff today in person that was in catch can and it wasnt coolant. also we pressure tested the cooling system and it has no leaks and did a leak down test on all 4 cylinders on right bank and all were good. Also the coolant level hasn't gone down at all.
08-20-2015, 09:26 PM
MM catch can full of coolant ?
though 
