turbo inlet and outlet

whats up guys!! 😀

can anyone tell me which is the oil inlet and which is the oil outlet on my turbo

Top pic in, bottom pic out

Ja what draco said

Schweeet gents thanks 😀

My turbo is also water cooled so where would the coolant lines from the turbo go into the engine(rb25det neo with greddy intake). When I bought the motor it pretty much came as a naked engine. Stripped of its pipes and fittings

Get a FSM and see where the original lines ran from.

I didn't even think of that haha

I'm struggling to find the answer I am looking for on the good'ol interweb. In which direction does the engine coolant flow. I have a greddy intake.

maybe this can help You

http://rb26.net/index.php/guides/3-installing-a-greddy-style-plenum-into-a-rb25det

Thanks for the link but doesn't mention flow direction.

Please can someone who knows advise me :200sx_200sx:

2 is oil feed, 3 is water return. Not sure what 1 is, my SR doesn't have that...

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Is 3 not turbo oil return? turbo coolant lines are 8mm hoses max usually

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ok i figured out that 1 is turbo oil drain back, 2 is turbo oil feed and 3 is oil drain from head(rear) .Thanks guys 😀 now to figure out where the turbo coolant feed and return go from the turbo...?

Just find the 2 coolant connections that are left unused, coolant feed and return can be connected either way onto the turbo aslong as it's a closed loop. And remember turbo central core must be positioned/rotated so that oil feed is ontop and oil return at the bottom for gravity to return the oil correctly

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The problem is that when I bought my engine, it didn't come with most of its pipes and fittings so I don't have or know where the turbo coolant inlet and outlets go. I'm making myself a custom aluminium radiator so would it be possible for me to weld aluminium fittings on the hot and cold side of the radiator end tanks and run coolant lines to the turbo like that? 🙂

No it wouldn't really work like that, but don't stress get everything else put together and perhaps you'll figure it out while you're connecting everything else, plus water Cooling isn't essential on the Turbos, it helps to reduce oil temp and prolongs the turbo life span but unless your going to be boosting the shit outta it you can drive it without, I drove a year without coolant hoses on my T28 because I was waiting on new braided lines for my top mount and there was no issues without them. Many performance Turbos you get don't even have water Cooled cores.

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I thought thermosyphoning could be most effective by running it directly through the radiator itself and I thought of doing it this way because I dont seem to have the required plumbing and fittings to the run coolant lines from the top mount turbo to the engine block.