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Old 04-23-2015, 07:23 PM   #1 (permalink)
dieselmike1
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Permanant leak free stainless steel turbo drain setup for $62.00

Im going to show you guys how to make your own turbo drain back hose and all the fittings and links to parts you will need. First thing to address is the plate at the bottom of the block where the oil drain tube goes in. You need to cut the steel line off flush with the plate and then drill it out to accept a -10an steel weld in bung, which can be found here for $7.85. 10 An Steel Weld in Male Bung Fitting Fuel Breather Tank | eBay
Place the bung in the hole and weld up, be sure and use something to protect the threads from weld splatters, I use an old an fitting to screw over the top.
Next we need to address the oil drain plate on the bottom of the turbo which is as simple as ordering a $11.00 part here. T3/T4 Turbo Oil Drain Flange, -10AN
Now we need to get our hoses and fittings. Stainless hose 3ft. $19.97.
http://www.summitracing.com/parts/sum-230003/overview/
-10an straight hose end $7.49. 10 An Straight Swivel Hose End Fitting Braid Pre 11000 | eBay
-10an 90 deg. hose end $14.87. Pre 11090 10 An 90 Degree Swivel Hose End Fitting for Braided Hose Red Blue | eBay
Now measure, cut and assemble your hose ends, you can read how to do that here. https://www.dieselplace.com/forum/63-...ial-tools.html
When you get your hose made up, go ahead and screw it on the an drain plate that goes on the turbo, then attach the plate and gasket too the turbo with the two allen headed bolts supplied. Re-gasket and attatch your drain plate on the block and attach hose. There you go, a leak free turbo drain back setup for about $62.00.

Attached Images
File Type: jpg turbo drain 001.jpg (42.7 KB, 39 views)
File Type: jpg turbo drain 003.jpg (113.8 KB, 38 views)
File Type: jpg turbo drain 007.jpg (84.5 KB, 38 views)
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Old 04-23-2015, 07:26 PM   #2 (permalink)
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Nice job man!

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Old 04-23-2015, 07:32 PM   #3 (permalink)
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That's two for the DIY page today, dieselmike1. Got anymore
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Old 04-23-2015, 07:35 PM   #4 (permalink)
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Don't let his head get too big now Freddy haha
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1994 Chevrolet K1500 Reg Cab Long Box - Gifted to my father for a surprise
1998 GMC ECLB Dually. 197K Miles-PMD relocate-new IP last year-glow plugs-New Brakes all around-Running board lights-customized FFM relocate-rebuilt injectors-Diamond Eye Exhaust
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Old 04-23-2015, 07:35 PM   #5 (permalink)
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Quote:
Originally Posted by Freddyack View Post
That's two for the DIY page today, dieselmike1. Got anymore
That's it, thought I would kill 2 birds with one stone.
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Old 04-23-2015, 07:38 PM   #6 (permalink)
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Quote:
Originally Posted by Crazyxxxinsane View Post
Don't let his head get too big now Freddy haha
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Old 04-23-2015, 07:50 PM   #7 (permalink)
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very nicely done
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Old 10-24-2015, 10:05 AM   #8 (permalink)
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Quote:
Originally Posted by dieselmike1 View Post
Im going to show you guys how to make your own turbo drain back hose and all the fittings and links to parts you will need. First thing to address is the plate at the bottom of the block where the oil drain tube goes in. You need to cut the steel line off flush with the plate and then drill it out to accept a -10an steel weld in bung, which can be found here for $7.85. 10 An Steel Weld in Male Bung Fitting Fuel Breather Tank | eBay
Place the bung in the hole and weld up, be sure and use something to protect the threads from weld splatters, I use an old an fitting to screw over the top.
Next we need to address the oil drain plate on the bottom of the turbo which is as simple as ordering a $11.00 part here. T3/T4 Turbo Oil Drain Flange, -10AN
Now we need to get our hoses and fittings. Stainless hose 3ft. $19.97.
Summit Racing® Stainless Steel Hose SUM-230003 - Free Shipping on Orders Over $99 at Summit Racing
-10an straight hose end $7.49. 10 An Straight Swivel Hose End Fitting Braid Pre 11000 | eBay
-10an 90 deg. hose end $14.87. Pre 11090 10 An 90 Degree Swivel Hose End Fitting for Braided Hose Red Blue | eBay
Now measure, cut and assemble your hose ends, you can read how to do that here. https://www.dieselplace.com/forum/63-...ial-tools.html
When you get your hose made up, go ahead and screw it on the an drain plate that goes on the turbo, then attach the plate and gasket too the turbo with the two allen headed bolts supplied. Re-gasket and attatch your drain plate on the block and attach hose. There you go, a leak free turbo drain back setup for about $62.00.
I like it, except I want the connection away from the turbo flange. Is there a way to extend down blow or out with a 45 or something to get it out where you can easily get to it with wrenches?

Or is the way dieselmike1 has it not as tight as it looks? I want to be able to easily remove the line. I have fat hands and want to be able to eliminate asking my wife to get in and do anything. I get it done eventually but it looks like I would have a heck of a time starting the stainless hose onto the fitting.

I do not like that the fitting I have on hand is 1/2" NPT female - it would leak around the outside of the threads if I do not get it sealed good. What would be the best thread sealer to use in such close proximity to the turbo if I use my fittings for a starter and drop down with a nipple?

When welding near thread i use an ample supply of anti-spatter along with something to cover the threads.

The problem I had with the 10 AN straight fitting off the turbo was that the hose end crashed on the turbo flange on the 96 Suburban, I would have had to grind the flange for it to fit. I do not want to go to that trouble.

I have these fitting on hand - or should I just scrap them and go with something different T3 T4 1 2" NPT CNC Billet Turbo Drain Flange turbocharger Kit | eBay
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95 Tahoe 2 door 4x4 6.5 200,000 mi; Fluidamper, Amsoil bypass filter, remote PMD, K47 air filter
1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 6-800,000 miles on the truck. Installed a GM crate 6.5 non-turbo in 2000 about 300,000 miles on the motor, original IP
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Last edited by jrsavoie; 10-24-2015 at 10:23 AM.
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Old 10-24-2015, 11:21 PM   #9 (permalink)
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Just info for those considering this mod. The return line ID size is critical for proper turbo performance. Bigger drain is better. 10AN fittings and line sometime hover in the 1/2" ID size. A 90 degree fitting in any drain is a big No-No. So give it some thought.

The turbo whips the returning oil into a foam which is slow to return to the pan. 90 degree fittings compound the problem. Once the oil level in the turbo cartridge reaches the level of the turbine shaft problems start to occur. Oil tends to leak past the "seals" in the turbo. Back pressure in the crankcase also tends to slow the return of oil.

The drain looks great and I am not condemning the workmanship one bit. Just letting ya'll know how it's supposed to work. The oil drains by gravity so don't slow it up.

The turbo oil drain flange spec. given on the site shows the ID as 0.417" which is quite small for a drain.

Last edited by DieselPro; 10-24-2015 at 11:31 PM.
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Old 10-25-2015, 09:10 AM   #10 (permalink)
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Quote:
Originally Posted by DieselPro View Post
Just info for those considering this mod. The return line ID size is critical for proper turbo performance. Bigger drain is better. 10AN fittings and line sometime hover in the 1/2" ID size. A 90 degree fitting in any drain is a big No-No. So give it some thought.

The turbo whips the returning oil into a foam which is slow to return to the pan. 90 degree fittings compound the problem. Once the oil level in the turbo cartridge reaches the level of the turbine shaft problems start to occur. Oil tends to leak past the "seals" in the turbo. Back pressure in the crankcase also tends to slow the return of oil.

The drain looks great and I am not condemning the workmanship one bit. Just letting ya'll know how it's supposed to work. The oil drains by gravity so don't slow it up.

The turbo oil drain flange spec. given on the site shows the ID as 0.417" which is quite small for a drain.
Do you have any thoughts on starting out with this fitting , getting past the turbo flange and ending up with a leak proof return?

T3 T4 1 2" NPT CNC Billet Turbo Drain Flange turbocharger Kit | eBay

__________________
98 GMC Suburban 2500 6.5 4x4 160,000 mi, Fluidamper, remote PMD, FS2500
96 GMC 6.5 Suburban 1500 4x4 200,000 mi; Fluidamper, remote PMD, Amsoil bypass, K47 air filter
95 Tahoe 2 door 4x4 6.5 200,000 mi; Fluidamper, Amsoil bypass filter, remote PMD, K47 air filter
1989 GMC Sierra 2500 2wd 5 spd get-rag trans had 108,000 mi. in 92 when the odometer broke. 6-800,000 miles on the truck. Installed a GM crate 6.5 non-turbo in 2000 about 300,000 miles on the motor, original IP
95 Chevy 2500 xtra-cab 2wd 6.5 190,000 miles,
91 international 4700 low pro, spicer 6 speed, DTA 360 with 18' van box 500,000 miles plus.
NRA Life Member for over 30 years
Vote Freedom First
1994 chev K3500, FS2500 bypass filter, remore PMD, K47 air filter
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