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Old 08-10-2010, 12:27 PM   #1
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Default Oil feed for china-charger t25

I bought a used turbo off of pen2 to replace my blown gt2554r (don't have hte money right now for a rebuild). It turns out the oil feed thread is bigger than the one I used for the gt25 and I can't seem to find anything to fit at home depot. Can anyone tell me what size it should be? Is it a banjo bolt fitting perhaps? A 1/4 npt fitting will fit but gets stuck at 1 turn.
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Old 08-10-2010, 12:38 PM   #2
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1/4 bpt?
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Old 08-10-2010, 12:40 PM   #3
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Mine was metric threading
I think it was 10m x 0.25
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Old 08-10-2010, 01:01 PM   #4
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Quote:
Originally Posted by Full_Tilt_Boogie View Post
Mine was metric threading
I think it was 10m x 0.25
Metric 10 x .125, maybe? I didn't check mine yet but must be something like that.

In my gt25 godspeed I have the drain hole with the standard two bolt flange, the oil feed is a threaded hole and water coling are two slightly bigger threaded holes, I suspect all this are metric, because I try to insert an AN fitting and the thread did not match (the turbo has coarser threads)
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Old 08-10-2010, 02:58 PM   #5
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I'm thinking it might be a bsp thread, now only to find a local shop that carries that....
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Old 08-10-2010, 03:00 PM   #6
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Makes sense... Check McMaster-Carr for it. Also, make sure it is BSP and not BSPT... They are different. Don't ask me how I know... Haha
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Old 08-11-2010, 05:47 PM   #7
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Some of ours are 12 mm x 1.25.
Stephanie
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Old 08-20-2010, 06:20 PM   #8
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I've checked my GodSpeed T25 chinacharger and the oil feed is M12x150, water cooling are M14x150, oil drain is the standard two bolts flange 1.750" apart.

So long,
Ben.

Last edited by miatasc; 08-21-2010 at 02:30 AM.
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Old 08-20-2010, 07:35 PM   #9
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Im using the one for my Garrett and I leakz
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Old 08-21-2010, 12:21 PM   #10
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The garrett one threaded into my godspeed but leaked badly. I used a thread feeler to get the right fitment, and it was pipe thread for me. I can't remember what size though.
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Old 08-21-2010, 01:04 PM   #11
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Quote:
Originally Posted by dustinb View Post
The garrett one threaded into my godspeed but leaked badly. I used a thread feeler to get the right fitment, and it was pipe thread for me. I can't remember what size though.
Could you do me (no homo) a huge favor, and look into that. Im having the same problem
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Old 08-21-2010, 01:15 PM   #12
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Do you have a hydraulics parts place nearby? Thompkins Industries - That is the only place local here in Kansas City I was even able to find an oil fitting that fit into my china turbo. Specs of the one that fit into mine. And if you order the part you will want to replace the rubber O-ring with a copper one.

Also for an oil restrictor that screws into the below part is RST6500-04-04-R.052 / 4MJ-4FJX 90 RST .052
It is a .052 oil restrictor that screws straight into the below fitting and has a -4AN output For some reason cant find it on there site but I got the part number off my receipt.

http://www.tompkinsind.com/catalog/p...p?itemid=39773

Quote:
Item Specifications
SKU: FG6400-04-04
Material: Forged
Compliance: MS 51525, SAE 070120
Weight (lbs): 0.04
Description: 4MJ-4MOR STR
Thread 1 Specifications
Thread Type: Male JIC
Nominal Size: 04
Actual Dimensions: 7/16-20
Thread 2 Specifications
Thread Type: Male O-Ring
Nominal Size: 04
Actual Dimensions: 7/16-20

Last edited by crnrhrd; 08-21-2010 at 01:31 PM.
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Old 08-23-2010, 11:08 AM   #13
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Quote:
Originally Posted by Stephanie Turner View Post
Some of ours are 12 mm x 1.25.
Stephanie
Although I ended uip with a new turbo, i bought this fitting and it fit into the china-charger perfectly.
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Old 08-23-2010, 01:04 PM   #14
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Fixed my leak
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Old 08-26-2010, 12:16 PM   #15
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Quote:
Originally Posted by sicklyscott View Post
Although I ended uip with a new turbo, i bought this fitting and it fit into the china-charger perfectly.
Awesome!
Stephanie
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Old 11-08-2010, 09:22 AM   #16
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I have a t28 chinacharger and ordered a m12x1.25 to -4an fitting.... NOT THE RIGHT SIZE.

I am able to screw in a -4an fitting but only a few turns.
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Old 11-08-2010, 11:03 AM   #17
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UPDATE... bought a m12x1.5 bolt, fit perfect.

ordering the correct size fitting now.... god i wish thing like this were universal.
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Old 11-08-2010, 01:22 PM   #18
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Quote:
Originally Posted by Preluding View Post
UPDATE... bought a m12x1.5 bolt, fit perfect.

ordering the correct size fitting now.... god i wish thing like this were universal.
So do I, as I am having the same problem that you are.
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Old 11-08-2010, 01:55 PM   #19
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Mine is also 12x1.5. I bought one AN-4 fitting with a 1.5mm restrictor for my journal bearing gt25 Godspeed chinacharger
Water ports are 14x1.5 and drain flange bolt holes are 1.75" apart.
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Old 11-09-2010, 08:35 AM   #20
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Quote:
Originally Posted by shuiend View Post
So do I, as I am having the same problem that you are.
Let me know if you need M12x1.25 to -4an connectors.

I have one straight connector and one banjo bolt style I don't need anymore.
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