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Old 03-16-2012, 02:25 AM   #47
Scooby Newbie
Member#: 299861
Join Date: Nov 2011
Chapter/Region: MAIC
Location: Hanover, PA
2002 Impreza WRX
Metallic Silver


Originally Posted by UK-Wagon
Why didnt you use the rear plug??? There is another plug right by the crank case breather/pcv pipe on the top rear part of the engine. The way you did this makes extra steps and longer install time.

you use the OTHER factory plug on the back of the block. It has the same amount of oil pressure as the front and is just as accurate. Also gives more mounting points for the sender like, to the firewall!

Why? there is no need to do so, and this takes longer to install this way.

no, you shouldnt do this in the first place

Here, made this for you guys.
A possible answer to your question- would be to use the rear galley plug under the intercooler for an oil temp sensor. I don't think a temp sensor should be mounted remotely since you want the probe elemental in the flow of oil. Theres a lot more space under the intercooler for use of the rear galley plug. The front plug is tight as hell and almost requires the sending unit be mounted remotely.

So IMHO rear galley is for temp; front galley is for pressure.

Great diagram BTW. You can easily identify both galley plugs at the same time. More helpful information in this thread .
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