Turbo Oil Return Size

NickTF

NickTF

Single turbo turd.
Joined
Jun 4, 2007
Messages
5,887
What hose ID is needed to clamp onto the hard pipe that serves as the turbo's oil return? I ordered an s468 and don't think the stock hard line will clear so plan to just cut it and use some rubber line to run the return. Thanks.
 
Yeah 7/8" is what you need, coolant hose will work but break down internally and swell after some time. Try and get some Marine exhaust hose thats 7/8" from west marine or somewhere like that.
 
Will silicone 7/8" heater hose work or will it swell too? It looks like the factory stuff that's on there.
 
Silicone hose will work if it is rated for oil. I am not a hose handler, so I do not know what exactly the difference is, but the hydraulic shop mentioned it to me when I was in there getting stuff once before. You would have to ask JKretzer, I hear he really knows his hoses. lol
 
lmills said:
Silicone hose will work if it is rated for oil. I am not a hose handler, so I do not know what exactly the difference is, but the hydraulic shop mentioned it to me when I was in there getting stuff once before. You would have to ask JKretzer, I hear he really knows his hoses. lol
Click to expand...

LOL
 
Yeah that good blue silicone hose will hold up to it but I never could find 7/8" everywhere I check they just had 3/4" and 1".
 
dzlfarmboy said:
Yeah that good blue silicone hose will hold up to it but I never could find 7/8" everywhere I check they just had 3/4" and 1".
Click to expand...

You can find 7/8" silicone hose all over ebay by the foot.

It isn't as nice as being able to source it in town, but it is an option.
 
mondtster said:
You can find 7/8" silicone hose all over ebay by the foot.

It isn't as nice as being able to source it in town, but it is an option.
Click to expand...

Yeah sometimes I look all over town and could of had it twice as fast if I just found it online somewhere.
 
I'll warn you about using only rubber hose ( or silicone or whatever). You can try it out, but I used 3/4" and had a problem kinking on me b/c of the bends it has to make especially after being trained on a spool.

It was actually white smoking out the pipe from pushing oil past the turbo seals. I attributed some of the smoke to cold weather, but was also having to add oil to it, which i've never had to do. I ran it this way a while and was jumping to all sorts of conclusions until I finally figured it out. I just hope I didnt ruin a turbo from it. I'm still running it for the last year or so.

I ended up using 3/4" copper pipe. With (2) 45's you can solder them to make just about any angle you want. And the Female ends on the 3/4" fittings actually fit pretty decent on the factory silicone hose down by the oil pan.

Just some advice from somebody who had tried it. dont risk ruining a turbo. use hard or rigid piping.
 
Just got to anyone that makes hydrolic hoses. I picked up a 7/8's steel braded rubber wraped hose for free. Works great, just a pain in the butt to cut!!!
 
cuts really easy once you learn the tricks to cuttiing braided lines

wrap the area you wish to cut with a couple rounds of electrical tape

then use a 3" cutoff wheel in your die grinder or similar tool and it cuts really easy with no frays

If we are using -an ends, we slide the fitting over the tape part way then pull the tape out form under neath

perfect fit no frays or issues

if your using a band clamp leave the tape on the hose to keep the hose from fraying during use - the clamp will keeep it in place
 
Ia there a sticky for the measurements for our trucks, like hose sizes and thread pitches, also by year specific?
 
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