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Can someone please tell me the difference between these two threads

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Old Jun 7, 2011 | 07:05 AM
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elblako91's Avatar
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From: Katy/Lubbock Texas
Can someone please tell me the difference between these two threads

On the left is my stock oil pressure gauge. On the right is a brass adapter i ordered. Both are M10-1.0 The adapter is a hair larger and begins to screw in the thread but then starts to cross thread. I don't understand why if they are the same size? :confused:







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Old Jun 7, 2011 | 07:09 AM
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This should be interesting.

Sure the OEM is M10x1.0 and not M10x1.25?

:wabbit2:

Last edited by waskillywabbit; Jun 7, 2011 at 07:13 AM.
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Old Jun 7, 2011 | 07:16 AM
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The stock one almost looks like pipe threads and the fitting looks like compression threads.
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Old Jun 7, 2011 | 07:19 AM
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From: Katy/Lubbock Texas
Originally Posted by waskillywabbit
This should be interesting.

Sure the OEM is M10x1.0 and not M10x1.25?

:wabbit2:
I went to a autoparts store and measured the thread by using one of their sizing chart thing's were you can screw it in and it was a M10-1.0. Got a couple responses on another toyota forum saying that the stock sender is a NPT and it tapers and my adapter is not. Great
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Old Jun 7, 2011 | 07:27 AM
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Take it to a local industrial supply and match it up. Shouldn't be too hard to find. Or try Summit Racing.

:wabbit2:
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Old Jun 7, 2011 | 07:29 AM
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From: Katy/Lubbock Texas
Thank's wabbit. I ordered this adapter from Sunpro themselves and they said it would work since my toyota had metric fittings. I've tried Lowes and a couple of local hardware stores. I'm going to head to home depot and if nothing I'm going to have to see online.
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Old Jun 7, 2011 | 07:47 AM
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It's metric but it's a tapered fitting on the OEM and a parallel fitting on the adapter.


http://www.forconstructionpros.com/a...2223&pageNum=2
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Old Jun 7, 2011 | 07:51 AM
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From: Katy/Lubbock Texas
Originally Posted by xxxtreme22r
It's metric but it's a tapered fitting on the OEM and a parallel fitting on the adapter.


http://www.forconstructionpros.com/a...2223&pageNum=2
Great link thank you!
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Old Jun 7, 2011 | 08:11 AM
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From: Saginaw, MN
stock sending unit is NPT (I don't remember the size...1/4"?). I went up to Home Depot and bought an adapter to mount my toyota sender to my chevy engine.
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Old Jun 7, 2011 | 09:45 AM
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From: Hopkins, MN
https://www.yotatech.com/forums/f116.../#post50656408

Originally Posted by jason191918
Well I finally found out what threads are on my oil pressure sender. The gage has 1/8 BSPT (British standard pipe thread TAPER). In order to hook up a mechanical oil pressure gage, you need a 1/8 BSPT male to 1/8 NPT (national pipe thread) adapter. I ended up getting an Autometer #2269 adapter. I ended up getting a street T in 1/8 NPT. I used the adapter to screw the T into the block. Because the stock sender is slightly smaller than the T, I was able to thread the sender into the T. On the other part of the T I ran the copper line to the gage. Now I have both gages working. Just thought I would let you all know, because apparently nobody else knew.

J
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Old Jun 7, 2011 | 01:08 PM
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From: Katy/Lubbock Texas
Thank you Jason your a life saver. This has been bugging me for a week. Could you tell me where you got your "T" fitting from?
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Old Jun 7, 2011 | 01:20 PM
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From: Katy/Lubbock Texas
So to make this work I'm about to order the following according to Jason:

One Tee fitting to retain my stock gauge

http://www.summitracing.com/parts/NOS-16435NOS/

One adapter to be able to plug it all into my block

http://www.summitracing.com/parts/ATM-2269/

Is this correct?
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Old Jun 7, 2011 | 03:10 PM
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The adapter is correct. The tee is not. I used a regular street tee, not a compression style tee. I can't remember how I hooked the copper to the tee...let me think about it...

(The truck is in a different state right now...)
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Old Jun 7, 2011 | 05:38 PM
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From: Hopkins, MN
I figured it out. I used an adapter in the tee that was 1/8 male x 1/8 compression (that is the brass part that is standing up in the third pic).

Originally Posted by jason191918
https://www.yotatech.com/forums/f116...e-gage-127336/

"Well I finally found out what threads are on my oil pressure sender. The gage has 1/8 BSPT (British standard pipe thread TAPER). In order to hook up a mechanical oil pressure gage, you need a 1/8 BSPT male to 1/8 NPT (national pipe thread) adapter. I ended up getting an Autometer #2269 adapter. I ended up getting a street T in 1/8 NPT. I used the adapter to screw the T into the block. Because the stock sender is slightly smaller than the T, I was able to thread the sender into the T. On the other part of the T I ran the copper line to the gage. Now I have both gages working. Just thought I would let you all know, because apparently nobody else knew.

J"

Any other questions, or pics needed let me know. I searched high and low for about 3 weeks before I got the answers I needed regarding this.







I put the adapter into the block, then the tee into the adapter, then the stock sender into the tee as well as the copper tubing kit for the mechanical gage. I have heard that the copper will harden and crack over time...guess I'll find out...
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Old Jun 7, 2011 | 06:27 PM
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From: Katy/Lubbock Texas
Well after closer inspection on another thread the adapter part that was a tee and an adapter all in one had one to many ports on it. I ordered the auto meter adapter. I'll head to home depot to look for the "tee" and as for that brass part that is standing up in the third picture I think it came in my gauge kit but I'll have to check. Thank you for you help Jason
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Old Jun 8, 2011 | 03:25 AM
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From: Hopkins, MN
Yeah, that compression adapter came wiith my kit, which is why I forgot about it.
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