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Old 02-28-2001, 11:45 AM   #1
JP Money
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Location: Auburn Hills, MI, USA
Post Installing Oil Pressure Gauge Sender

Ok, i've got my Autometer Oil Pressure (electric) gauge all wired up. Now I get under the Alternator and find the little stock sender. I take it out and put in the large one supplied by Autometer with the gauge. The damn thing is too large to lower the alternator back into place! So i try a 1/8" elbow joint from the hardware store, but it only goes on one turn, and im afraid to cross-thread or strip it. How the hell do I get this sender unit on to the engine block?
Who here has installed one of these before? I know there are a lot of you-- How did you get the sender on there?

Please help. Thank you.

-JP
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Old 02-28-2001, 11:52 AM   #2
bratmantlz
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Question

yeah and some pics of how it looks or you did it i might do this in the future
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Old 02-28-2001, 11:59 AM   #3
tmat3
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Go to http://www.geocities.com/matsut_rpi00/autometer.html

This is my web site, and it has an instruction on installing the pressure sensor. I don't have the pics yet, but the instruction is there. I really hope this instruction will help.

Make sure you use a thread tape for all threads, or you may get oil leaks. I found my way is to be the easiest, most convenient, and no worries of cross-threading or thread stripping. Disadvantage is that stuff I bought to install wound up costing me around $15. There are other ways, too.

[This message has been edited by tmat3 (edited February 28, 2001).]
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Old 02-28-2001, 12:22 PM   #4
JP Money
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OK, i checked out that site, and couldnt find the part # TP8. I did a search and found someone who installed the sender using lots of adapters... Joostin420 i believe it was. Here is the link It has an install sheet from Rallispec. The question is, where do i find these parts in the U.S.? all of them can be found at Home Depot?
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Old 02-28-2001, 12:26 PM   #5
tmat3
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1. Go to http://www.thinkauto.co.uk
2. Click on "Online shop"
3. Scroll down to "Early Warning Systems"
4. Click on "T Pieces"
5. Click on "TP8".
6. Email the sales people saying that you just bought the TP8 online, and needs to get a complete price because you live in the U.S. Shipping charge is reduced and no sales tax.

I asked Joostin420 to put the installation guide (the pic file by Rallispec) on the forum. I basically followed the picture, but using parts I found on the Internet, and Pep Boys. Pep Boys sell an adapter (at least in Albany, NY) 1/8BSPT to 1/8NPT for about $5.

[This message has been edited by tmat3 (edited February 28, 2001).]
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Old 02-28-2001, 04:45 PM   #6
JP Money
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SO is that part from Think Auto look like a Y adaptor so that it attaches to both the stock sender, and the Autometer sender? Except since the autometer sender is so large and it doesnt fit under the alternator, i need to run the nylon tube over to where I can mount the Autometer sender. On both ends of the nylon tube i should have female 1/8" NPT fittings, right? Could you explain what kind of nylon tube? Like, how long is it? is it a bendable tube? or more like a T fitting like in the picture that Joostin420 posted from rallispec? Why dont I just go through rallispec? I already ordered the TP8 from Think Auto. Now what do I need to get at the Hardware store?

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Old 02-28-2001, 05:44 PM   #7
Gerry
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OK JP heres the deal. Don't use regular nylon tubeing,your going to need 3an size stainless braided nylon hose,also use stainless hose ends.I got all of my stuff from Morland Hose in Oakdale NY.They are a Aeroquipe dealer but i'm sure some racing supply store supplies the same stuff.Heres a few pictures for you.Also i'm going to post directions from Andy at Rallispec hope he dosn't mind..well here it is....Gerry
<edited because i messed up the pics>


<IMG SRC="http://albums.photopoint.com/j/View?u=1155080&a=8487702&p=42295370" border=0>
<IMG SRC="http://albums.photopoint.com/j/View?u=1155080&a=8487702&p=42296019" border=0>
<IMG SRC="http://albums.photopoint.com/j/View?u=1155080&a=8487702&p=42295531" border=0>

[This message has been edited by Gerry (edited February 28, 2001).]
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Old 02-28-2001, 06:00 PM   #8
tmat3
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Looks like I confused you. Anyway, this is what I did.

1. Used the fitting from Think Auto so that I can screw-in the fitting to the engine w/o any problems, and take 2 sensors simultaneously. You can see it like a T-fitting with a male 1/8BSPT (for engine block), a female 1/8BSPT (for stock pressure sensor), and a female 1/8NPT (for Autometer pressure sensor).
1a) I screwed the fitting onto the engine.
1b) I screwed the nylon tube with a male end in the fitting.
1c) I screwed the stock pressure sensor to the fitting.
1d) I ran the nylon tube to the right side of the engine, and screwed the female end to the Autometer pressure sensor.
1e) Put the alternator back on. It'll fit, because it worked just fine for my car (01 RS).

2. I used the nylon tube because my g/f's father used it for many many years on his truck and didn't have a single problem. He rebuilds engines. He also claims that race cars and trucks use simlar setups, and they have higher oil pressure than Subarus. The nylon tube came with a little package which included a male fitting and female fitting. It's very flexible. I haven't seen a single leak from this tube yet.

3. Besides the nylon tube, I had a copper tube built by a hardware store with a male end and a female end. It was too rigid and couldn't install it properly. It would up leaking. I think someone's idea of using stainless steel tube is definitely a better idea.

I hope this clears things up a little.
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Old 03-01-2001, 11:39 AM   #9
JP Money
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OK, so after i recieve the part from Thinkauto, I'll need

3AN size stainless steel nylon tubing
Male 1/8"NPT fitting at one end, Female at the other

Anything else? or thats it?

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Old 03-01-2001, 11:46 AM   #10
JP Money
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one more thing... I understand what a "TAP" does, but what does it look like, and how do you use it to make a thread bigger? Where do you obtain a "tap"?
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Old 03-01-2001, 11:51 AM   #11
tmat3
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Another thing you need is a thread tape (50 cents - $1). Also, get 2 or 3 long cable ties (a.k.a. zip-locks) so that the pressure sensor doesn't move around. I tied my sensor to the power steering line on the right side of the engine.

Taps can be bought in hardware store or plumbing store. I don't know what it looks like because the h/w store I went to didn't have one in stock.

[This message has been edited by tmat3 (edited March 01, 2001).]
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Old 03-01-2001, 04:56 PM   #12
JP Money
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Alrighty then. i tried to get the stainless braided hose at the auto parts store, and they had one for a fuel pressure gauge, but the fittings were not exactly 1/8".

Tmat3 and Gerry- What kind of tubing did you get Exactly, and where did you buy it from?

Tmat- I've already ordered the TP8 parts from the UK. SO now alls I need is... YOU Tell me, and PLEase please tell me where I can order it. The auto parts guys i know are dumbfounded. Obviously the gauge works on your '01, so it will be fine on my '00.
What and where did you get the nylon tubing? or any other fittings I might need.

Sorry for all the hassle.

-Justin
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Old 03-01-2001, 05:13 PM   #13
tmat3
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I bought the nylon tube at PepBoys. The tube came with male and female 1/8NPT fittings. It is designed for a mechanical oil pressure gauge, not made by Autometer.

The tube was located where PepBoys sell gauges. I bought it in Albany, NY. You can probably order this online, but not sure if they support e-commerce capabilities.

If PepBoys don't have it, try NAPA or Autozone.

Another thing you can do is:
1) go to a local hardware or plumbing store
2) Tell them your situation and wish.
3) have them use non-rigid tube.
4) have them put 1/8NPT fittings on the tube ends.
As I have written, I bought 1ft worth of copper tube, and had them put on the fittings. But, the copper tube was a little hard to bend nicely, and it wound up leaking.

I wish you lived in the Northeast because I can do this for you for free w/i 45 minutes, and save you from confusions.
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Old 03-01-2001, 05:24 PM   #14
WRX1
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Also try summit and jegs. they have more fittings than you can imaging, and they will have your braided stainless lines.
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Old 03-01-2001, 05:43 PM   #15
JP Money
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Is that Summit Racing? I get their catalog in the mail i think.

Tmat3- Im probably just gonna go the nylon tube route.. you havent had any leaks yet, right? How long have you had it on there?

Also, what diameter is the tubing?
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Old 03-01-2001, 05:56 PM   #16
JP Money
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I just checked Pep Boys, Autozone, Murray's Auto, Best Auto... none of these places have either nylon tubing (in anything over 5/32" diameter) or any NPT male/female fittings.
So i need a place somewhere to get either nylon tubing, or the aeroquip braided hose with the correct 1/8" male/female end fittings. DOes anyone know where I could obtain this?
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Old 03-01-2001, 06:40 PM   #17
tmat3
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Oh yeah, I forgot about Summit Racing. They have it because I just looked at their catalogue a few days ago, and they have it. They have nylon tube, copper tube, and s.s. tube.

I have not had any leaks. I installed it about 3 wks ago. No leaks whatsoever. The tube looks strong enough to endure the pressure. Even if this tube starts to crack and develop leak, I can fix it with duct tape temporarily, and get a new one and replace it w/i 5 minutes.

If you want to be on the safe side, get the s.s. tube. But, it's more expensive.
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Old 03-01-2001, 06:55 PM   #18
Gerry
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Well JP here you go..This is what a tap looks like.Your going to need a 1/8-27 NPT,this is a pipe thread tap that you can usually get from any major hardware or tool shop.Your also going to need a 21/64's inch drill.Now that you have those your going to drill a hole in the "factory fitting" after you do that your going to take the tap and start twisting it in a clockwise direction, but your going to have to do 1/2 turn clockwise and a quarter turn counterclockwise.What this will do is empty the shaveings that you have cut.You also MUST use a cutting grease or oil to lube the tap whule useing it, because it's going to get hot and it also helps out on the cutting action. Also for a few extra bucks I know I would feel better useing the TFE Braided line instead of the nylon line with those brass "crimp" fittings.The TFE hose is Teflon hose with a stainless braid on the outside,this is the same stuff used in performance brake lines.I'm not sure how much I spent on it because I bought a whole bunch of stuff that day.I'm going to give you a place with part numbers so you can order the stuff yourself.Of if you want I could pick one up for you..Go to www.racehose.com. and don't forget you'll have to assemble the thing yourself...
2 pieces: FCM1130-03 $18.39 each
2 feet : FBC0300 $3.17 a foot
1 piece : FCM2511-03 $1.36 each
1 piece : FCM2719-03 $5.29 each
The t-piece I can't find a part number for.But I'm sure I get a idea whai it'll cost around..If you have any questions pm me...Gerry

<IMG SRC="http://albums.photopoint.com/j/View?u=1155080&a=8487703&p=42414282" border=0>
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Old 03-01-2001, 07:27 PM   #19
JP Money
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Well, i went and found a place in Cali that sells Aeroquip parts... And I got the size 4 stainless braided hose with 1/8" NPT male and female fittings at each end. I got 2 feet of hose.

Now i just need to wait for that part and the part from THINK AUTO to come in from the U.K...

tmat3- How long did it take to get that part from the U.K.? I didnt recieve any email or phone notification from them yet, did you get in contact with them, or just wait for the part to arrive?

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Old 03-01-2001, 07:49 PM   #20
tmat3
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It took about a week to get here. UK -> NYC.

If I were you, I would send them an email, and ask them if they ever got your order, and your order was shipped. I don't remember the email address, but I think it's on the web or email notification. The "TP8" (or 1/8BSPT adapter) fitting fits perfectly on our cars. Also the stock sensor and 1/8NPT male end fit perfectly on the "TP8" fitting very well.

I hope everything works out fine. It's not as complicated as it seems. It's simply screwing in a lot of things in a very tight area. And you have to deal with different thread types (metric vs. standard).

Once you hook everything in and the gauge works, you'll love your gauge and your work! I did.
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