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Old 12-26-2008, 04:11 PM   #1
nation1979
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Default 06 sti and installing oil pressure/temp gauge

i have a o6 sti and imlooking to install a temp ot pressure gauge.im thinking that pressure is more important but thats me thinking.
what would be a better gauge gauge and how do i go about installing it?i have a sandwich adapter but have heard/read theres a galley plug i can remove and use.thanks
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Old 12-26-2008, 04:23 PM   #2
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People often replace the stock oil pressure sender under the alternator (galley plug). I'd go with oil pressure.
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Old 12-26-2008, 04:27 PM   #3
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with what?i was thinking about getting the prosport kit that acts like a remote sender.
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Old 12-26-2008, 05:57 PM   #4
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With an aftermarket sender for a gauge. Prosport being one of many.

Last edited by stu1811; 12-26-2008 at 06:03 PM.
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Old 12-26-2008, 06:03 PM   #5
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I'd def go with oil pressure gauge. Replace the stock one under the alternator seems like best solution because if you plug it behind the drivers side head you will get much lower/inaccurate readings compared to on top of the block. Prosport has an oil gallery plug that is tapped for an NPT fitting which their gauge is. If you use standard oil gallery plug from say the dealer, you would have to retap is or else the gauge wont screw into it.
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Old 12-26-2008, 06:10 PM   #6
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Quote:
Originally Posted by toutanje View Post
I'd def go with oil pressure gauge. Replace the stock one under the alternator seems like best solution because if you plug it behind the drivers side head you will get much lower/inaccurate readings compared to on top of the block. Prosport has an oil gallery plug that is tapped for an NPT fitting which their gauge is. If you use standard oil gallery plug from say the dealer, you would have to retap is or else the gauge wont screw into it.
Or buy an adapter
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Old 12-26-2008, 07:01 PM   #7
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Sandwich plate adapters can be a PITA because they rarely fit and its recommended to bend stuff out of the way. BTW I have mine sitting on a shelf behind me, I will GIVE it to someone that pays shipping + 5 bucks.. .

Anyway remove the alternator and the stock oil pressure switch will be looking at you. If you remove it it looks like you can screw the aftermarket sender right there, you cant. The threading is different, they make an adapter that changes the pitch of the threading for aftermarket senders, buy one its only a couple bucks...

Here is a link to the adapter of which I speak. Now I just yahoo searched it, so price shop it...

http://www.harmanmotive.com/catalog/...oducts_id=1097

Now you CAN screw on the Prosport sender to that and make it work. However its VERY tight and you WILL have to bend it slightly to get the alternator back on. Once its on and you tighten the belts it will be fine. But you cant get the belt back on without bending it....

SO I would recommend that you screw a stainless steel braided hose into the adapter and then relocate the sender out of there (I bent my oil pressure sender to the side with a rubber mallet and made it work, however I would relocate it if I had to do it over again)..However I dont know where to get these SS lines from since I never used them...

Hmm, then just wire up the gauge. Keep in mind G does NOT = ground with that gauge. So read the directions (which are terrible at best) thoroughly....Also www.machv.com has 10% off if you buy three prosport gauges from them, I recommend boost, egt, oil pressure. If you already have boost then a wide band o2 sensor....but thats just a suggestion...
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Old 12-26-2008, 07:46 PM   #8
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thanks.that was awsome.ordering right now.just wish summit had something similar to the prosportgauge relocater
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Old 12-26-2008, 08:03 PM   #9
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is this the same thing as the link above
http://store.summitracing.com/partde...5&autoview=sku

i have a bunch of summit bucks to burn.
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Old 12-27-2008, 07:41 AM   #10
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Please read the sticky threads before posting from now on.

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Old 12-28-2008, 03:17 AM   #11
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other than the above post i have a couple more questions that are not answered in the above link.
the adapter that was listed by CynicX confuses me.from what i have read i need a adapter that has male 1/8 bspt threads to 1/8 npt female threads correct? the link he gave doesnt say what size it adapts to.the one i listed from summit has male 1/8 BSPT threads(so it screws into the stock location) female npt threads(so the prosport sender will fit),so this is what i need correct?
then if im right all i need is a pressure sender,remote adapter and gauge from prosport.
please feel free to correct me
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Old 12-28-2008, 09:26 AM   #12
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Quote:
Originally Posted by nation1979 View Post
other than the above post i have a couple more questions that are not answered in the above link.
the adapter that was listed by CynicX confuses me.from what i have read i need a adapter that has male 1/8 bspt threads to 1/8 npt female threads correct? the link he gave doesnt say what size it adapts to.the one i listed from summit has male 1/8 BSPT threads(so it screws into the stock location) female npt threads(so the prosport sender will fit),so this is what i need correct?
then if im right all i need is a pressure sender,remote adapter and gauge from prosport.
please feel free to correct me
Yeah that sounds right.

The pressure sender and gauge come boxed together from Prosport so when you are ordering an Electronic Oil Pressure gauge you are actually ordering a gauge and sender and a couple other little things for mounting (but no housing/pod for the gauge to mount in).

You will also need wire to hook the gauge up to the sender. I'm a service technician that deals with a lot of control voltage wiring so I had plenty of wire on hand. 18 Gauge strained wire works great, you can probably find some at home depot. Strained offers minimal resistance, and since the sender is a measurement of resistance it works very well giving an accurate reading. Two of these...

http://i10.ebayimg.com/04/i/000/e2/63/14af_1.JPG

Make it easier and more professional looking when hooking the wire to the sender. You'll see what I'm talking about when you get it.

And its nice to have some plastic wire conduit stuff you find in abundance at pep boys to protect the wire since it will be running around the engine bay. Makes it look better too....
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Old 12-28-2008, 01:11 PM   #13
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I have the prosport peak oil pressure gauge and prosport sandwhich adapter, works fantastic! It's all a matter of prefernce as both does the same job. I chose the sandwhich for several reasons, easy install being the main focus and it can support mulipule sensors, so that oil temp gauge will work off the same sandwhich, just trace the lines of ur pressure and ur done
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Old 12-28-2008, 05:57 PM   #14
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thanks for all the help.ordering today
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Old 12-28-2008, 09:35 PM   #15
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I've had a Greddy sandwich adapter with pressure and temp senders on the WRX that hasn't had any issues for 100,000+ miles.
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Old 12-28-2008, 10:21 PM   #16
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I couldnt get my sandwich adapter to work for some reason. Just wouldnt fit in there, I contacted the supplier and they told me to just bend the tube that interferes out of the way, but its part of the oil supply system for the block.

If it works by all means go for it. If not connecting it too the head is VERY easy. It might look difficult esp. if you never removed an alternator on a car before but its very simple as its a serviceable part. Once its out of the way you have plenty of room to work.

Oil temp is nice to have if you are looking to fill a gauge pod but there are much more important gauges you can fill several pods with before you get to that point (afr, egt, boost, oil pressure, hell even a volt gauge and/or clock depending on how you use your car). Regardless the sandwich adapter is a good place for oil temp (btw by reading pressure you can actually read temp in a odd way)....

OP: Let us know how it works out for you. I installed some Prosport gauges for a friend, he LOVES them. Here is a pic...

Headlights on


Headlights off


Thats pre wiring the oil pressure and egt up so they are pinned out. Now that the senders are connected they arent like that...

BTW, if you go with a clock pod make sure you splice the wires and tuck the clock behind the dash. There is an air bag light on that pod and with it disconnected you get a air bag light on the dash. Solder the connections for good operation. Lazy mans way of doing it is twist them all together, put a wire nut on them then take the wire nut off and solder them and then put the wire nut back on. It doesnt look the prettiest but its just as good as any other means of connecting them....
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Old 12-29-2008, 12:09 AM   #17
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GT-Spec sammich adaptor works perfectly fine for me, no leaks, no tube bending, no problem. I think the oil lines around the filter are different on the WRX than the STi. The WRX might require some finagling, but the STi fit just fine.

I used the MadDad gauges though, the Prosport oil pressure sender is RIDICULOUSLY huge, and might not fit quite right. It's also pretty unreliable, as are the rest of their gauges, so I would steer clear of them (out of the 3 people I know with ProSport gauges, all 3 of them have had senders go out, one of the guys has had multiple senders go out, and this is all within the last year).
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Old 05-07-2009, 09:25 PM   #18
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i'm in the process of installing prosport oil pressure and oil temp gauges. i have a sandwich plate but that's taken up by in/out feeds to a setrab oil cooler. if i use the existing oil pressure sensor plug for the oil pressure gauge, where can i install the oil temp? i understand there is one (or two) add'l gallery plugs on top of the engine but it is not apparent where they are...any help would be appreciated.
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Old 05-07-2009, 11:18 PM   #19
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Second one is in the back under the intercooler slightly to the left of the throttle body. You 'll see a small hex cap. That's the plug. You'll need to install the above mentioned block adapter to fit a sender/remote relocation kit in there. It's a PITA to use that one.
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Old 05-08-2009, 10:53 PM   #20
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thx much, i'll use it as a last resort but right now it may be what i need to do
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Old 05-08-2009, 11:09 PM   #21
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Quote:
Originally Posted by CynicX View Post
Sandwich plate adapters can be a PITA because they rarely fit and its recommended to bend stuff out of the way. BTW I have mine sitting on a shelf behind me, I will GIVE it to someone that pays shipping + 5 bucks.. .
I can say, i own a 06 STi, same as him, i have a sandwich adaptor and i too heard you need to bend the oil line....BUTTTTTTTT i installed mine, and i didn't have to do that. It fits perfectly in there. So, if you wan tthe adaptor from this guy^^^ do it.
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