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Old 02-26-2011, 06:48 PM   #1
05wrx89
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Default best way to install oil pressure gauge

whats the best way to install a oil pressure gauge using the oil filter sandwich or i belive where the oil pressure sending unit suppose to be which i guess is behind the block
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Old 02-26-2011, 10:47 PM   #2
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Purchase the oil pressure relocation kit from Prosport: http://prosportgauges.com/remote-oil...ation-kit.aspx
(or buy a galley plug, a SS braided line and the proper adapter from SS line - sending unit) and use one of the oil galley plugs on top of your block.

There's two: one under the alternator where your stock oil pressure dummy light is and one under the turbo on the back of the motor. I personally used the rear one and left the stock dummy light plugged in.
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Old 02-26-2011, 11:56 PM   #3
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If you use the galley plug under the alternator, and an oil pressure sender that is small enough, then you don't need to buy a relocation kit (or any other hardware at all).

I have the Defi oil pressure gauge and I installed it in the gallery plug under the alternator, and it was very easy to do. As I said before, there is no additional hardware needed. If you use a gauge with a larger sender, or if you use the other galley plug, then you'll need the relocation kit.
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Old 02-27-2011, 06:50 AM   #4
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I have a great setup I will post pics when I get off work. my DEFi oil Press.temp are located on the Galley on the block below my intercooler piping.
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Old 02-27-2011, 10:49 AM   #5
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Enjoy!
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Old 02-27-2011, 11:19 AM   #6
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so in order to get to the one on the alt i will need to remove the alt right?
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Old 02-27-2011, 12:41 PM   #7
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Yes, to get to the one on top of the block towards the front that holds the stock dummy light sensor, you will need to remove the alternator.
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Old 02-27-2011, 02:00 PM   #8
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Removing the alternator is easier than removing the TMIC, IMO.
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Old 02-27-2011, 03:39 PM   #9
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Yes, use the one under the alternator. Don't waste your money on a sandwich adapter. The one on the backside of the block is not prefered because you have passages that branch off before that plug/port (although it's better than nothing). The one below the alternator is right above the pump.
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Old 02-27-2011, 03:59 PM   #10
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I bought prosports and am just being lazy and not installing them. My first attempt I went to thread in at the stock location and it seemed like it was the wrong size but just by a tiny bit. I will probably buy the sandwich plate for now.
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Old 02-27-2011, 04:16 PM   #11
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Did you buy the Prosport Oil Galley adapter?

The stock pitch is 1/8" BSPT while the Prosport (and most other) thread is 1/8" NPT, IIRC.
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Old 02-27-2011, 04:16 PM   #12
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well i gotta change my trans oil anyway so i gotta remove the tmic so i can fill the trans back up so ill prob get the one in the back.....

also what power source did any of you use for the backlight for the gauge
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Old 02-27-2011, 04:18 PM   #13
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Quote:
Originally Posted by Sk8er View Post




Enjoy!
what boost gauge is that
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Old 02-27-2011, 04:18 PM   #14
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I used the clock harness.
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Old 02-27-2011, 04:49 PM   #15
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Quote:
Originally Posted by ThreeEleven View Post
Did you buy the Prosport Oil Galley adapter?

The stock pitch is 1/8" BSPT while the Prosport (and most other) thread is 1/8" NPT, IIRC.
crap, didn't realize this. Glad it just didn't crank on it. With this adapter does that sending unit fit in there pretty good? It looked like it would be cutting it close fitment wise.
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Old 02-27-2011, 05:13 PM   #16
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The Prosport oil pressure sender is pretty large. Haven't seen the available space on the RS, but you'd be cutting it pretty close (if it even fits under there) on an 02-07 WRX/STi. I'd personally get the relocation kit for that one. Not to mention the Prosport senders have a reputation of cracking/going bad, so to remove the alternator every time you had to replace it/troubleshoot it would be a PITA, IMO.
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Old 02-27-2011, 05:23 PM   #17
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Quote:
Originally Posted by ThreeEleven View Post
The Prosport oil pressure sender is pretty large. Haven't seen the available space on the RS, but you'd be cutting it pretty close (if it even fits under there) on an 02-07 WRX/STi. I'd personally get the relocation kit for that one. Not to mention the Prosport senders have a reputation of cracking/going bad, so to remove the alternator every time you had to replace it/troubleshoot it would be a PITA, IMO.
I'm running an 04 wrx engine and will soon have an 08 sti engine in there. I guess I'll give it a try. Just gotta get more wire so it can reach to where I need. It takes me 5 minutes to pop off the belts and alternator. Just seems like the easiest option. I'd rather that then popping off my intercooler with a relocation kit. Only other option would be the sandwich plate which people seem not to like. I've also heard they tend to leak but not sure if that's installer error or not.
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Old 02-27-2011, 05:26 PM   #18
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You can use the relocation kit with the one under the alternator. It's just a braided SS line that screws into the galley plug with another fitting on the other end that the sensor screws into.
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Old 02-27-2011, 05:31 PM   #19
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Quote:
Originally Posted by ThreeEleven View Post
You can use the relocation kit with the one under the alternator. It's just a braided SS line that screws into the galley plug with another fitting on the other end that the sensor screws into.
I guess in the end I will just buy the adapter and the sandwich plate. If it doesn't work out well I'll just throw that on there real quick so I can just get my gauges in.
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Old 02-27-2011, 05:39 PM   #20
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Quote:
Originally Posted by 05wrx89 View Post
what boost gauge is that
That is the Turbosmart Eboost 2 boostcontroller
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Old 09-23-2011, 10:51 PM   #21
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I had a question when you use the galley under ther alternator do you need a tee fitting to hook up the stock sensor and the sending unit ?
How do yall do it ?
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Old 09-24-2011, 08:21 AM   #22
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its on a 2011 but its a great write up
http://forums.nasioc.com/forums/show....php?t=2182561
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Old 09-24-2011, 09:21 AM   #23
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Quote:
Originally Posted by SUBIEBOI91
I had a question when you use the galley under ther alternator do you need a tee fitting to hook up the stock sensor and the sending unit ?
How do yall do it ?
Just remove the stock one. It only registers as low pressure around 3psi. If you get to that point, you're screwed anyways. I used that galley for my oil temp install.
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Old 09-24-2011, 10:31 AM   #24
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a little offtopic, but do they make a dual purpose sending unit? Something I could put in the galley under the alt. for both oil pressure and temp???
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Old 09-24-2011, 10:58 AM   #25
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But will a light come on the dash if I just remove the stock sensor ?
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