Hello

I was planning to put oil return to the sump but i'm affraid that with cold engine oil level in the sump may be too high and it may disturb oil flow from turbo?
If someone knows good place in the engine block where to drill a hole than a would appriciate that. All suggestions are welcome.

Pelle

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MB 300CE Turbo '88
MB 300E '86

on my 617.951 the return goes into oil pan.I think a running engine has enough oil in pan to suck never overfilled with two gals.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran,you are a citizen of the world, all peoples are
cousin's, love all life, your love is enternal

Not sure if you have one or two turbos.
Oil return to the sump works well.
Attached is a drawing that shows the location used in my build.
Center line of entry point is 31mm from top of sump.

Attached Thumbnails

 

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1971 280SL ROADSTER
1988 300CE TWIN TURBO WIDEBODY
1994 E320 CABRIOLET
1999 C43 AMG
2005 G55K AMG
2008 CLK63 AMG BLACK SERIES

Single turbo but thanks guys, i think i was over thinking
Sump would be easiest way.

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MB 300CE Turbo '88
MB 300E '86

All i can tell you its what i made in my W123, i have the M102 2.3, hope it helps you, some pictures attached not all the complete process but some things that may give you an idea.

Braided hoses needed in 3/8 to 8AN, i am pretty much sure they are like this.

Block out to oil filter base IN
Oil filter base Out to Oil cooler IN
Oil cooler Out to Block In
Oil Fitting (filter base out) to Turbo IN
Turbo Out (1/8 NPT) to Oil Pan (Fitting in AN8)

Regards,

Adolfo

Attached Thumbnails

         

For oil out i decided to use oil pan too and it looks like a win, no smoke from turbo.


And its running - MB 300CE - YouTube
Settup is really raw and having some trigger errors but i'm pretty happy

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MB 300CE Turbo '88
MB 300E '86