Hey guys, I was just wondering about this, as my new Garrett turbo is only oil cooled, I was thinking that perhaps I might increase the oil cooling for the turbo.
I was thinking that as there is no air flow though the oil cooler when the car is sitting still perhaps an extra oil cooler with a ducted fan on it would be an idea?
That way, when the car is parked up and cooling down, the oil can be cooled so that the heat can escape though an oil cooler with actual airflow lol
The stock FC turbo is both oil and water cooled, so the viscous fan (and soon to be electric fan) draws air though whilst stationary.
The stock FC oil cooler is HUGE and is good for about 500bhp, and works well when moving along, but not when stationary as its at the bottom of the raidiator and doesn\'t get much flow.
I was just thinking that if I put in and extra oil cooler (like a side mount FD oil cooler) and put a fan on it that has a temperature switch it could aid cooling to my oil cooled turbo?
Something like this sort of size:
(http://www.dalmotorsports.com/images/CarNotes/image029.jpg)
What does everyone think?
Only 1 problem I can see - what\'s going to keep the oil flowing ?:3Confused
I was thinking of keeping the engine running, currently as its water cooled as well, the water circulates and the fan cools it, when the turbo is oil cooled it won\'t have a fan to cool the heated liquid be it water or oil, I just thought if I had an extra cooler with a ducted fan it would cool the oil better when standing still.
you will find that oil isnt like water, ie, water gets hot when car is stationary where as oil will cool down to a certain temp and generally hold it there. On the motorway your oil temp will normally go up but your water will drop.
as long as you oil temp stays at sensible levels (under 115 ish degC) then your turbo will be fine, remember that just the other side of the turbo bearing wall its 900 - 1000 deg C, your engine is much more prone to problems with high oil temps than your turbo