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Oil pressure sender relocate

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Old 01-07-2007, 01:57 AM
  #21  
striper
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This is a great idea. When I replaced mine on my '98 I was amazed that GM would redesign the entire small block motor and keep the sender in the same location as when the motor had a distributor. Why they didn't figure out an accessible location in the front of the motor is beyond me, especially considering you have to make a several hour repair to accomplish a five minute job. In my street rod I have a Chevy 350 with the sender in the exact same location, but you can see the sender sitting exposed next to the distributor. It probably would even take less than five minutes to replace, except I've never had to since it's a VDO sender with VDO gauges. Why do these Vette senders keep failing so often?
Old 01-07-2007, 11:50 AM
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Spark 2
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Default Oil pressure sender relocate

I am hoping that one of the Engineering Companys that manufacture

the Oil Catch Cans will pick up on this and sell it as a complete kit.

Sooner the better!

Maybe even Southern Car Parts.
Old 01-09-2007, 06:36 PM
  #23  
Spark 2
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Default Oil pressure sender relocate

ttt
Old 01-09-2007, 09:55 PM
  #24  
N0TDADYS_98
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so... Like i said if i blow it again i'm going to relocate it.... well 6500 rpm's later... BLOWN!!!!! I'm already working with my parts house to build something very very durable and a cake walk to replace... They also ordered my replacement.. should be here in a day or so..


oh an FYI... the idea of oil pressure sensor relocation has been around for sometime... after talking to my partshouse he is about 100% sure there are kits available for this and is lookilng into it for me.

Not trying to take away from the idea because i know many of use would have been stumped... This is a great idea without a doubt... but if anyone is spending money on a patent i say keep it... oh and just for the record i was kidding about patenting it..
Old 01-09-2007, 11:05 PM
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Todd157k
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please let me/us know what you find. I just ordered a new unit today but I'm going to remote locate it... somehow.
Old 01-09-2007, 11:10 PM
  #26  
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I'll gather part numbers and the details along with high resolution pics. Might have to wait a week as i'm moving this weekend but i'll see what i can whip up.
Old 01-10-2007, 08:19 AM
  #27  
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Originally Posted by N0TDADYS_98
I'll gather part numbers and the details along with high resolution pics. Might have to wait a week as i'm moving this weekend but i'll see what i can whip up.
kewl

Charlie
Old 01-10-2007, 09:30 PM
  #28  
Vette19
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I just did mine the way Corvette tech did it. Making a small hole above the sensor. Piece of cake! It would take me less than 15 minutes to do it again. Thanks!
Old 01-11-2007, 12:56 PM
  #29  
426 Hemi
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Ok guys, I took one for the team and bought the Park Avenue sensor. Works great on the C5 and the most important part is it lets anyone do the relocate proceedure with common over the counter parts!!! Less the sensor it cost me $8.87.

What's needed:

1. GM part # 12584940 sensor. 97-05 Park Avenue, 00-05 Bonneville, and 00-05 Lesabre. $30.38 at GM Parts Direct. Also Standard # PS401 or Niehoff OP25351.

2. 1/8" pipe thread tap and 21/64" drill bit.

3. 1/4" to 1/8" brass fitting. Napa # 3200x4x2 (SAE# 130139) $3.29 ($4.56 retail).

4. Oil pressure hose kit. 3 choices here:
a. Nylon--what I used. Napa # 7012109 $13.68. Seen them for less than $6 elsewhere.
b. Copper. Napa # 7012154 $10.99.
c. -3 Braided Stainless. SummitRacing # ATM-3234 $29.75
And that's it---now what to do.

First you'll need to break out the guts of your defective vette sensor. Then drill out the center with an 21/64" drill then tap it out with your 1/8" pipe thread tap. Go a little at a time testing with the fitting----it's easy to go too deep with these tapered taps. Then thread tape and screw in the male 1/8" fitting from your gauge line/hose kit. Once done it should look like this:



Next take your new Buick/Olds/Pontiac sensor, thread tape it and screw it into your brass adapter. Then thread tape the adapter and screw on the female 1/8" fitting from the gauge line/hose kit.



Now it's totally up to you where you put the sensor but I put mine up next to the LH fuel rail---making a little bracket. But I guess you could use zip ties also. Using this location I didn't have to extend the sensor connector wires.



However for the guys using the copper or stainless hose kit---the ends are fixed, i.e. you have to deal with the length (3 foot I think) of hose. Here's where a person can loop around or whatever---but watch for sources of heat and also chaffing.

Just for the heck of it here's a picture of the C5 sensor: http://info.rockauto.com/SMP/SMPDetail3.html?PS308.html
And the Buick sensor: http://info.rockauto.com/SMP/SMPDetail3.html?PS401.html

Who knows, maybe the Buick sensor won't crap out like the C5 replacements--they're brass, not aluminum. But at the very least using it enables one to easily relocate the sensor ----without having to make or find a funky 16 X 1.5mm to 1/8" pipe thread adapter.

Anyway I hope this helps----NOW GET TO PLUMBING!!!

Edit If you don't want to shell out the old sensor and tap it to 1/8" you might want to pick up part number ATM-2268 from here: http://www.egauges.com/vdo_acce.asp?...pters&Manf=All or from Summit Racing . I've not bought one but from the description it's spot on what we need: 1/8 NPT female x M16 X 1.5 male---making this a true bolt on/mail order/credit card/wait for the UPS truck mod! Is it me or am I the only one who gets excited when he hears that truck pull in the drive way?

Edit IIOne of the eagle eyed forum members pointed out a discrepancy. The correct number for the Napa brass fitting above should be3200x4x2, not 3400x4x2 as previously mentioned.

Last edited by 426 Hemi; 07-04-2009 at 07:44 PM.
Old 01-11-2007, 01:22 PM
  #30  
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WAY TOO COOL. Thanks 426 Hemi !!!!
Old 01-11-2007, 01:39 PM
  #31  
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Originally Posted by CorvetteTechInc
We don't do it to customers cars (unless they ask) but for our own cars we've just lifted the wiper cover (the 5 pins and wiper blades) and cut a hole in the plastic tray underneath (about 4-5 inches square). I've got a deep socket that I turned down to be thin enough to fit between the crossover plug bolt and the sensor. We were having some problems with sensors for a while also. With this method I can change a sensor in about 20-30 minutes.

I'm not saying it's an elequent solution, but I am saying it works and you can't see anything when you put the cover back on. Just mentioning it as another alternative.
wow..that would be great for me...I really dont wanna pull the blower.....PMd ya
Old 01-11-2007, 01:49 PM
  #32  
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hey 426 hemi,did you get "your" patent registered yet?the buick sensor makes much more sense than relocating another piece of crap.it nice to have members giving out ideas w/ o trying to make money off of us end users.great job,now to figure out the small cup holder,right. what a gangsta idea....
Old 01-11-2007, 06:27 PM
  #33  
426 Hemi
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Originally Posted by Todd157k
WAY TOO COOL. Thanks 426 Hemi !!!!
No problem---It's all about helping a couple forum friends out.

BTW, thanks to the powers that be for making this a sticky.

Any questions just ask.
Old 01-11-2007, 06:46 PM
  #34  
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Default Oil pressure sender relocate

Looks well engineered!

Are you satisfied with the pressure readings you are getting from

sensor #12584940. Any drawbacks at all to this setup?

Thanks for all the information.
Old 01-11-2007, 07:29 PM
  #35  
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Originally Posted by Spark 2
Looks well engineered!

Are you satisfied with the pressure readings you are getting from

sensor #12584940. Any drawbacks at all to this setup?

Thanks for all the information.
Before putting on the Buick sensor I started the car with the Vette sensor and noted the PSI----45 at idle cold. Installed the Buick sensor, immediatly started the car----45 psi!! Dropped it in gear---went down a few pounds. Reved it up in park----went up a few pounds. I was pretty happy! Also happy I didn't waste the bucks on the sensor, no return on used electrical parts. Chance I had to take---guess I'll do anything for another post here!

Draw backs? About the hardest part is tapping the hole in the old sensor---actually pretty easy. I'm sure anyone here can handle that. Positive most of us have done this at one time or another.
Old 01-11-2007, 10:36 PM
  #36  
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Originally Posted by 426 Hemi
..........
Just for the heck of it here's a picture of the C5 sensor: http://info.rockauto.com/SMP/SMPDetail3.html?PS308.html
And the Buick sensor: http://info.rockauto.com/SMP/SMPDetail3.html?PS401.html

Who knows, maybe the Buick sensor won't crap out like the C5 replacements--they're brass, not aluminum. But at the very least using it enables one to easily relocate the sensor ----without having to make or find a funky 16 X 1.5mm to 1/8" pipe thread adapter.

Anyway I hope this helps----NOW GET TO PLUMBING!!!
I'm bummed out that Standard (PS-308) has gone aluminum. Mine was still brass when I replaced my sender a few years ago. Still no leaks.
Old 01-12-2007, 12:22 AM
  #37  
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You could also install the sensor in the front of the block, drivers side, lower rail.

Remove the factory plug (same thread as the oil pressure sender) and lengthen the electrical connections.

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Old 01-12-2007, 12:35 AM
  #38  
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Originally Posted by C_Williams@RPM
You could also install the sensor in the front of the block, drivers side, lower rail.

Remove the factory plug (same thread as the oil pressure sender) and lengthen the electrical connections.
how bout a DIY....
Old 01-12-2007, 02:50 AM
  #39  
0Jeff @ TPE
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Thats where I relocated mine to.
We tested the pressure with a mechanical guage before wrapping it up, and it worked perfectly.
I can change it in a matter of minutes.
Originally Posted by C_Williams@RPM
You could also install the sensor in the front of the block, drivers side, lower rail.

Remove the factory plug (same thread as the oil pressure sender) and lengthen the electrical connections.
Old 01-12-2007, 06:08 AM
  #40  
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hmm, I may have to work on a set up.....

Last edited by wrustywrench; 01-12-2007 at 11:32 AM.


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