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oil pres. install

832 Views 8 Replies 6 Participants Last post by  Mighty Mouse
is there any other way to install an electric oil pres. gauge w/o having to install another aftermarket oil pres. solenoid?? perhaps i can get a signal from another stock sensor?

Brian
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95jza80tt said:
is there any other way to install an electric oil pres. gauge w/o having to install another aftermarket oil pres. solenoid?? perhaps i can get a signal from another stock sensor?

Brian
taken from the Apix pressure guage install guide:



According to this, you can unplug the OE oil pressure sensor. Is this a good idea?
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hmmm sounds good if it works ok.....

like the title says it sounds good if it works fine.. i hope so.. i hope i'm not gonna have to do the union bolt mod thing that Mani had posted on MKIV.com well.. we'll see..

Brian
Union bolt expensive

The Union bolt is freaking expensive from Toyota. It's a lexus part and you pay for it. You can remove the hex nut in the oil filter bracket as well and put in an adapter to 1/8 NPT. These adapters sell for 2 bucks at any hardware store. Check my site for details. It's under modifications / other engines / physical things. Way better alternative to the big bolt from the Lexus.
Yeah, I did the Union bolt and was suprised when i was rung up at the cashier. It was close to $40 if I remember right. But it was easy to install and all works well so no biggie. Nothing for this car is ever cheap so *shrug* what can ya do.....
Euphoric said:
Yeah, I did the Union bolt and was suprised when i was rung up at the cashier. It was close to $40 if I remember right. But it was easy to install and all works well so no biggie. Nothing for this car is ever cheap so *shrug* what can ya do.....
Could you guys explain what you are talking about? What is this union bolt thing? I am guessing it makes it so you can plug in the OE pressure switch and a pressure sensor for a pressure gauge, at the same time?
Mary-Kate Olsen said:
Could you guys explain what you are talking about? What is this union bolt thing? I am guessing it makes it so you can plug in the OE pressure switch and a pressure sensor for a pressure gauge, at the same time?
I just checked out the article on MKIV. Sounds neat but, why does the article say "for 93-96 only"? The diagram in the article is for the supra 93-98. So why wouldn't this mod work for my '98?

here is a link to the article: http://www.mkiv.com/techarticles/oil_sensor_mod/index.html
On a 98 (and maybe on 97 as well) you can simply unplug the stock sensor.... unscrew the selenoid and screw in the greddy selenoid. Works like a charm.



-Kapi
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The stock transmitter might be calibrated different than the aftermarket one so yo umight read a different reading if you dont use the one that comes with the gage your using.

Also the stock one has to be connected too or you might get the lowoilpressure light coming on.

Mary, the union splits the oil outlet into two so you can put two sensors on.

Happy boostin

Hector
The great mouse
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