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Old 06-26-2009, 02:32 PM   #1
adrianpike
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Default Oil Cooler Fittings

Hey all,

The threads & hardware FAQ didn't have these, so I'm gonna ask nicely:

-What's the size on the threads on the oil cooler sandwich plate? I know there's those flare fittings, but they screw into what I think are large straight metric fittings, but the only plate I've got is on my car, so I can't take a looksee at the moment.

-What's the size on the fittings on a stock 240 oil cooler? Are they the same as the 700 coolers? I can't remember exactly, do the flared fittings screw into fittings on the cooler itself?

Thanks in advance!
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Old 06-26-2009, 02:50 PM   #2
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I beleive the fittings on the cooler are 1/2 NPT. Not sure about the sangwhich plate.
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Old 06-26-2009, 03:10 PM   #3
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240 oilcoolers are bspt iirc not NPT, 240 turbo and 740 turbo oilcoolers are the same part.
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Old 06-26-2009, 03:20 PM   #4
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Oah. indeed.
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Old 06-26-2009, 03:23 PM   #5
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Quote:
Originally Posted by blkaplan View Post
240 oilcoolers are bspt iirc not NPT, 240 turbo and 740 turbo oilcoolers are the same part.
I believe they are British Standard Parallel Pipe..

Hack them off and weld on AN/JIC
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Old 06-26-2009, 03:39 PM   #6
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I think the sandwich plate is 1/4 npt. Don't quote me on that.
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Old 06-26-2009, 03:43 PM   #7
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Originally Posted by John V, outside agitator View Post
I believe they are British Standard Parallel Pipe..
Hence LEAKAGE!!!

"If the Brits put up a satellite, it would have a primary chain, and it would leak oil"

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Old 06-26-2009, 04:18 PM   #8
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The sandwhich adapter I have from a 740 turbo is metric 16mm x 1.5 not NPT. PN 9919FFJ at the link below.

http://www.anplumbing.com/shop/index...p=&dept=Metric

I think John V's advice for the cooler is spot on. Weld on a AN-10

http://www.anplumbing.com/shop/index...dept=Weld!_Ons

For the low budget get a cap and drill it out. I know JV has also mentioned doing this.


http://www.anplumbing.com/shop/index...ps!_and!_Plugs
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Old 06-26-2009, 04:29 PM   #9
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Nice. What material are those stock oil coolers made out of? Can I just MIG a steel AN fitting on, or do I have to actually break out the TIG for something?

Also, what size hose? AN -10, I assume? Wonder how many feet I need......

Yama, do you recommend that site?

While we are on the topic of cooler fittings, am I correct in saying the stock transmission cooler fittings are -5 AN?
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Old 06-26-2009, 04:51 PM   #10
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Quote:
Originally Posted by Bones View Post
I think the sandwich plate is 1/4 npt. Don't quote me on that.

OK I won't.
Cause they aren't.
I run a fat NPT tap thru them
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Old 06-26-2009, 04:53 PM   #11
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Quote:
Originally Posted by Bones View Post
Nice. What material are those stock oil coolers made out of? Can I just MIG a steel AN fitting on, or do I have to actually break out the TIG for something?

Also, what size hose? AN -10, I assume? Wonder how many feet I need......

Yama, do you recommend that site?

While we are on the topic of cooler fittings, am I correct in saying the stock transmission cooler fittings are -5 AN?

Aluminum except early Mercedes Diesel oil coolers are all steel. Yeah steel.
-10
and depends on where you site the cooler and if you go remote filter head which all round is nice and easy.

I know nothing of autotragic lines.
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Old 06-26-2009, 04:54 PM   #12
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Originally Posted by John V, outside agitator View Post
OK I won't.
Cause they aren't.
I run a fat NPT tap thru them
Do you know what they are before you tap 'em?
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Old 06-26-2009, 04:56 PM   #13
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Quote:
Originally Posted by yama View Post
The sandwhich adapter I have from a 740 turbo is metric 16mm x 1.5 not NPT. PN 9919FFJ at the link below.

http://www.anplumbing.com/shop/index...p=&dept=Metric

I think John V's advice for the cooler is spot on. Weld on a AN-10

http://www.anplumbing.com/shop/index...dept=Weld!_Ons

For the low budget get a cap and drill it out. I know JV has also mentioned doing this.


http://www.anplumbing.com/shop/index...ps!_and!_Plugs
Yeah $6.19 vs $2.84 or over 50% cheaper!
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Old 06-26-2009, 05:48 PM   #14
yama
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Originally Posted by John V, outside agitator View Post
OK I won't.
Cause they aren't.
I run a fat NPT tap thru them

Hadn't thought of that. Could have saved 10 bucks.
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Old 06-26-2009, 06:06 PM   #15
yama
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Quote:
Originally Posted by Bones View Post
Nice. What material are those stock oil coolers made out of? Can I just MIG a steel AN fitting on, or do I have to actually break out the TIG for something?

Also, what size hose? AN -10, I assume? Wonder how many feet I need......

Yama, do you recommend that site?

While we are on the topic of cooler fittings, am I correct in saying the stock transmission cooler fittings are -5 AN?

I placed my first order with them yesterday so I can't really recommend them yet. A couple of other post's have mentioned them and their prices are about the lowest I've found. Most of the stuff they sell is Earl's which is made in the USA. Some of the brands sold at Summit and other places is made in China. I'm in the process of doing the oil cooler thing and spent 150 to plumb from a remote oil filter adapter located in front of the alternator on the frame rail. From the oil filter adapter in front of the alternator to cooler I figure ~3 feet of hose to the top fitting and ~2 to the bottom fitting.
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