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Tech Area => Knowledge Base Articles, Submissions, and Comments => Topic started by: larrym on January 20 2015, 02:40:24 PM

Title: Oil return line
Post by: larrym on January 20 2015, 02:40:24 PM
So while re installing my return line in the new bock I cracked it.... Glad I found it before I installed the motor.


Here are a list of parts I ordered From Russell to make a new line I know there are other vendors and probably cheaper ways but in Canada with freight and duty to deal with I can do this overnight for $80.00 Canadian.




http://www.summitracing.com/int/parts/rus-697090 (http://www.summitracing.com/int/parts/rus-697090) Will not work

Used Vibrant part# 2849

http://www.summitracing.com/int/parts/rus-660503 (http://www.summitracing.com/int/parts/rus-660503)
http://www.summitracing.com/int/parts/rus-610113 (http://www.summitracing.com/int/parts/rus-610113)   X2
http://www.summitracing.com/int/parts/rus-632153 (http://www.summitracing.com/int/parts/rus-632153)


I'll take some pictures once its all together and mocked up on the turbo.


Title: Re: Oil return line
Post by: TexasT on January 20 2015, 07:33:32 PM
Looking forward to pix. I had a really nice and generous individual that sent me a stock one out of the goodness of their heart. I thought it only right to use it. I hope yours turns out well. I also have a braided flex piece with male threads on each end I bought somewhere along the way. Not sure how it hooks to the turbo. But I think it screws into the block. But it is straight so I'm not sure how it would work. Funny how things are bought/sold with no way they would work without major mods or fab.
Title: Re: Oil return line
Post by: Scoobum on January 20 2015, 11:22:00 PM
Exactly why I stay with stock junk. It was engineered to fit.
Title: Oil return line
Post by: larrym on January 21 2015, 11:43:11 AM
Yeah I would have used the stocker but it was junk.....
Title: Re: Oil return line
Post by: Scoobum on January 21 2015, 04:47:57 PM
Make sure the ID is the same as the stocker.
Title: Oil return line
Post by: larrym on January 21 2015, 07:22:53 PM
Thanks Brad from what I have researched -10 is biggest concern after that is to maintain as straight a shot with no 90 degree bends or low spots for oil to collect
Title: Re: Oil return line
Post by: larrym on January 24 2015, 02:36:26 PM
The flange will not fit.
http://www.summitracing.com/int/parts/rus-697090 (http://www.summitracing.com/int/parts/rus-697090)


Vibrant part# 2849 will I hope the size appears right.


http://vibrantperformance.com/2012_catalogue/2012_catalogue_pg38.pdf (http://vibrantperformance.com/2012_catalogue/2012_catalogue_pg38.pdf)


Would have been overnight but the performance warehouse was flooded....
Thats what I get for living in a rain forest.
Title: Re: Oil return line
Post by: larrym on January 24 2015, 04:51:40 PM
here is the line mocked up just need the turbo flange its all fittings with 2" of hose.

Title: Re: Oil return line
Post by: larrym on January 27 2015, 11:17:44 PM
So finally got it all together made a couple changes, decided a -10AN to 1/2 NPT 45 degree fitting at the block with a straight hose end would fit better.


Worked well good slope and looks clean.


So parts used.
Vibrant # 2849 turbo drain adapter
Russell fittings
660973 -10AN to 1/2 NPT 45degree
610043 straight -10AN hose end
610113 45 degree -10 AN hose end
3" of hose

Title: Re: Oil return line
Post by: Steve Wood on January 28 2015, 01:30:55 PM
If you can take a couple bit better pics so the orientation is more clear, I would put this on my site...might help someone else down the road.  Looks really nice :cheers:
Title: Re: Oil return line
Post by: larrym on January 28 2015, 10:56:20 PM
Thanks for the compliment Steve, figured I would listed the parts and maybe save some one some time down the road.


I know a search has saved me buying things I couldn't use or didn't fit.


(http://photoshare.shaw.ca/image/a/4/f/119991/good4-0.jpg?rev=0)




(http://photoshare.shaw.ca/image/a/4/f/119991/good2-0.jpg?rev=0)
Title: Re: Oil return line
Post by: larrym on January 28 2015, 11:01:55 PM
(http://photoshare.shaw.ca/image/a/4/f/119991/good3-0.jpg?rev=0)(http://photoshare.shaw.ca/image/a/4/f/119991/good-0.jpg?rev=0)
Title: Re: Oil return line
Post by: Steve Wood on January 30 2015, 11:46:15 AM
Larry, above you said a 45 deg fitting into the block...but, it looks straight to me in the last pictures.  I see a 45 deg fitting at the turbo end

In your parts list, you show two 45's

Is it just the camera angle that makes it look straight at the block?
Title: Re: Oil return line
Post by: larrym on January 30 2015, 12:51:32 PM
double posted....
Title: Re: Oil return line
Post by: larrym on January 30 2015, 12:52:38 PM
Part of the problem is the color and the angle black in black.

This is threaded into the block its clocked to around 10.5 oclock Russell 660973

(http://www.jegs.com/images/photos/799660953.jpg)
I found the straight fitting and 45 hose end moved the line out to far with not as much slope.


This was attached to this fitting 610043
(http://www.jegs.com/images/photos/700/799/799-610013.jpg)


the hose than 610113


(http://www.jegs.com/images/photos/700/799/799-610093.jpg)


I attached this to the turbo Vibrant 2849
(http://www.jegs.com/images/photos/200/231/231-2849.jpg)


No gasket was provided but I have faith the right stuff is the right stuff to use that was my thread sealant at the block as well.


I was careful to ensure everything had slope so oil will not collect, my turbo is a BB unit with a feed restricter over all I'm happy with the install.
Title: Re: Oil return line
Post by: Steve Wood on January 30 2015, 01:12:47 PM
thanks!
Title: Re: Oil return line
Post by: Steve Wood on January 30 2015, 05:42:30 PM
okay...added it...

http://www.vortexbuicks-etc.com/turbo_drain_hose.htm (http://www.vortexbuicks-etc.com/turbo_drain_hose.htm)

You did a really nice job, Larry!
Title: Oil return line
Post by: larrym on January 30 2015, 05:48:10 PM
Awesome thanks Steve 😋 glad I can maybe help someone down the road.
Title: Re: Oil return line
Post by: TexasT on January 31 2015, 10:35:28 AM
Looking real good. I spec'ed it out and came up with $118.87 shipped with American money. Upside ill have 2'10" of extra hose as it comes in 3' sections.

Nice Work!

Title: Oil return line
Post by: larrym on January 31 2015, 12:12:08 PM
I picked up all my parts at Lordco I get a decent discount but I'm sure all said and done I'm into for $100.00
Title: Re: Oil return line
Post by: good2win22 on January 31 2015, 12:12:45 PM
I like it! 
Title: Re: Oil return line
Post by: Scoobum on January 31 2015, 01:49:43 PM
Larry...thanks so much for the pics and part numbers. If I ever get in a jamb then my guy at the speed shop can bail me out. :)
Title: Re: Oil return line
Post by: earlbrown on February 06 2015, 04:27:18 AM
If someone wants to save a few bucks and doesn't mind used, here's a good deal if -8 will work.

http://www.ebay.com/itm/Stainless-3-5-Braided-Hose-with-Reusable-08-AN-45-Straight-Fittings-W645-/151042000676?pt=Race_Car_Parts&hash=item232ace0724&vxp=mtr (http://www.ebay.com/itm/Stainless-3-5-Braided-Hose-with-Reusable-08-AN-45-Straight-Fittings-W645-/151042000676?pt=Race_Car_Parts&hash=item232ace0724&vxp=mtr)
Title: Oil return line
Post by: larrym on February 06 2015, 12:20:29 PM
After seeing the size of the -10 I would not go any smaller. I even ran a 1/2 drill thru the vibrant fitting because I thought it looked small.
Title: Re: Oil return line
Post by: earlbrown on February 06 2015, 03:28:03 PM
Odd. -10 is 5/8".  A 1/2" drill shouldn't have made any chips.  -8 is supposed to 1/2".

I made mine out of -12 and dumped it straight into the pan but I can't recall the exact ID of those fittings.
Title: Re: Oil return line
Post by: larrym on February 06 2015, 05:54:55 PM
It was just the Vibrant fitting it did not do much but did open it up a little, with the OD being 5/8 it brings the ID close to half inch with the wall of the hose plus the fitting being pressed into it, these things are mass produced who knows what happens with the tooling after they make a few thousand.


I was just being cautious I wanted to ensure there was no restrictions at the narrowest point, last thing I wanted was oil collecting and my turbo seals failing prematurely. 
Title: Re: Oil return line
Post by: larrym on February 20 2015, 01:23:06 PM
well that did not work as planned.......
Apparently Cottons has a repop available should have listened to Brad stock Junk always works best.
I installed my stock turbo to confirm the results.


So my question is how pouched is the turbo?
It still feels tight no oil on the inlet side there is a metal oil ring on the turbine side works like a piston ring from what I have researched  and all the locals say they will not touch a Turbonetics turbo.
A buddy is going to lend me his stock line for the week end.
Title: Re: Oil return line
Post by: Steve Wood on February 20 2015, 01:37:17 PM
lost me.  What did not work?  The oil return line?
Title: Oil return line
Post by: larrym on February 20 2015, 01:45:00 PM
That's my assumption at this point
Title: Oil return line
Post by: larrym on February 20 2015, 02:15:12 PM
I am borrowing a stock return line for the weekend and will let you know what happens.
Title: Re: Oil return line
Post by: Scoobum on February 21 2015, 08:24:57 AM
A quote from Bison. I would want minimum internal cross section of a half inch at the drain flange where the oil is aerated. A -10 fitting usually needs to be opened up to work properly.

Larry...contac t Jack Cotton...as he has been selling Turbonetics turbos for ages...and still does. He will be able to tell you what ET to expect with that turbo with your mods.
Title: Re: Oil return line
Post by: larrym on February 21 2015, 12:34:56 PM
Yeah I bought this from Jack, thats where I will get the correct return line from....
Its a good match to my converter my only concern is our dollar right now add 25% to anything south of the border so a brand new unit is out of my grasp at this point.


Here is a quote from installation instructions by Turbonetics


"Turbonetics General Installation Guidelines
 The turbocharger seals located at the compressor and turbine ends of the turbocharger have a primary purpose to keep pressurized air/exhaust gases from entering the turbocharger and then the crankcase. The fact that they also help control oil from entering the compressor and turbine housings is secondary. The oil entering the turbocharger is pressure fed from the engine but relies on gravity to return it back to the engine. Any restrictions in the oil drain will cause the oil to backup inside the turbocharger and be forced past the seals so it’s very important the oil returning from the turbocharger to the engine is free flowing with no restrictions. It is also important that the oil enters the crankcase above the oil level. Oil leakage from the turbocharger seals can be caused from and number of conditions, below are the most common. 1. Excess engine cranks case pressure A. due to poor crankcase ventilation like a plugged or improperly working PCV (positive crankcase ventilation) system or an open port from the intake manifold to the crankcase. B. Excessive engine blow by due to worn engine components 2. Too small of an oil return line, preferably ¾” to 1” minimum inside diameter"
Title: Oil return line
Post by: larrym on February 21 2015, 06:21:38 PM
Yeah 10 AN is not enough put on my buddy's stock return line all is good.
Now all I gotta do is contact cottons for a replacement.
It's not smoking or leaking I think the Turbo will be fine.
Beat on it a little to seat the rings all is good so far.
Title: Re: Oil return line
Post by: Scoobum on February 21 2015, 06:26:19 PM
Seen a few turbo problems on the other board caused by drain back issues. M233ROLLER on the other board may have a return line...and prolly cheaper than Cottons. Post on here for one...good group of guys here that can be trusted. :)
Title: Oil return line
Post by: larrym on February 21 2015, 06:28:49 PM
Mike is a good guy I'll check with him.
Title: Re: Oil return line
Post by: good2win22 on February 21 2015, 07:38:23 PM
I've got a spare stock drain line if you want it.  Not sure what it's worth.  Make an offer if you like
Title: Re: Oil return line
Post by: larrym on February 21 2015, 08:22:00 PM
Thanks for the offer Jason  :)


New ones $80.00 if you you will mail it to Canada I'll give you $50.00 if its in good shape.
Title: Re: Oil return line
Post by: good2win22 on February 22 2015, 12:37:08 AM
I pulled it off the barn motor when I tore it down about a year ago.  I'll dig it out tomorrow and give it a once over and clean it up if it's in good shape.  Haven't figured out how to post pics in a message via this board, so I'll post some to this thread if you don't mind.  Shipping to CA actually isn't that bad especially something this small, so if you decide you want it after seeing the pics, I'll send it on out
Title: Re: Oil return line
Post by: daveismissing on February 22 2015, 01:14:27 PM
easiest to use imgur.com for uploads then just stick in the link here
Title: Oil return line
Post by: larrym on March 18 2015, 01:48:04 AM
Thanks Jason! Return line arrived safe and sound!
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