Proper Crankcase Ventilation
#1
Posted 13 March 2024 - 09:34 PM
The question is how do I get a proper working crank case ventilation and do I need to balance it (steel wool/smaller hole/opened)?
#2
Posted 13 March 2024 - 09:41 PM
The atmospheric vents were just hoses to the bottom of the engine. The Mini is on a car ramp and don't want oil dripping on the car below!
I would rather at least vent back to the carb or tidy up the hoses somehow.
#3
Posted 13 March 2024 - 09:44 PM
So what is wrong with the oil separators on the car now?
#4
Posted 13 March 2024 - 09:58 PM
So what is wrong with the oil separators on the car now?
It is a new engine being built so none of this evaluated yet. I do not know the status inside the existing steel wool one on the timing chain cover, the one on the clutch housing will most likely be a fabricated one (without steel wool) and there is no separator on the vented valve covers.
#5
Posted 14 March 2024 - 12:09 PM
venting to a vacuum is a good idea, mini's leak enough at the best of times and anything to counter that is good....
the original valve used to connect to the inlet manifod, the crank case, and the air filter pipe, so at part throttle the manifold would suck vacuum on the carank case, when it came on boost the valve would switch over so the suction on the turbo inlet against the filter would suck on the crank case,
ive vent to the catch can, and then stiock it through one of those 3 way PCV Emission valves.
the valve is NLA, but similar valves were used on the RSturbo, and i think the same valve on the coseworths....
https://www.burtonpo...els-yb0228.html
https://www.burtonpo...vh-6141135.html
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