Will this oil pressure gauge setup work?

[e30onBBSs]

http://www.ebay.com/itm/Marshall-Gauge-0-100-psi-Fuel-Pressure-Oil-Pressure-1-5-Midnight-Black-Liquid-/331587553283?hash=item4d34288803&vxp=mtr

http://www.summitracing.com/parts/vdo-150855/overview/

http://www.ebay.com/itm/AUTOMETER-EL...f51920&vxp=mtrr

I think this will work, but how do I connect the adapters to the nylon tube? Is there any flaw with the set up?

[CorvallisBMW]

Yes it will work, but may I suggest another possibility?

Much better looking, simpler, less prone to failure:

http://www.summitracing.com/parts/vdo-350104?seid=srese1&gclid=CjwKEAjwocKtBRCf9d_Q5ovcyHASJAAHhJYOtOlkszNTRjD_ppFjk2ufQSd1fvyO0fx9M-2IM89OwxoCloHw_wcB

http://www.summitracing.com/parts/vdo-360003?seid=srese1&gclid=CjwKEAjwocKtBRCf9d_Q5ovcyHASJAAHhJYOXaLu09rGQl3jahAj4nIhpU6pVtghNJKgv0iDQXkGkxoCrqLw_wcB

Also, the connectors attach to the tube with the little flare nuts that are included in the Summit kit you linked to.

[downforce22]

I wouldn't use that tubing. All I did was hook up an oil pressure sender to an adapter at my oil filter and then I ran 1 wire to the cabin.

You don't want hot oil running into the cabin.

Something like this in line with the oil filter.

http://www.ebay.com/itm/M20x1-5-CAR-AUTOMOTIVE-OIL-FILTER-SANDWICH-ADAPTER-PLATE-FEED-TEMP-PRESSURE-RED-/281307849209?hash=item417f4121f9&vxp=mtr

A sender like this threaded into it:

http://www.autozone.com/gauges-and-gauge-accessories/gauge-sender/sunpro-oil-pressure-sending-unit/87626_0_0/

Then a wire to your gauge.

I would make sure the sender is compatible with the expected signal the gauge needs.

Here is mine before my turbo manifold was on. I rotated the filter housing so I could put custom oil lines on and relocate my oil filter.





This was before I threaded in my sender to where the screw is in this photo and ran a wire to the gauge.

[e30onBBSs]

Those set ups both look good! Thanks for the info. I am curious about powered gauges though, I have never had to connect something to power. Do you have to connect the sender to 12v somewhere? If so, where? Mine isn't boosted so would I have to move the filter housing?

I am home now so I could look at the sender, how does the wire connect? It seems pretty easy, and could I do it to the oem sender port on an m20?

I really like this gauge, do you think for $20 total it's junk?

[CorvallisBMW]

The gauge you linked is a mechanical gauge, meaning it actually has a port on the back where a live, hot stream of oil pushes on a diaphragm and moves the needle. This is undesirable if you're planning on mounting the gauge in the cabin, since you'll have to run an oil line and you run the risk of leaks/failures.

Most oil pressure gauges are electrical. The sender converts pressure in to a signal which travels through a single wire. The single wire plugs in to the back of the gauge (which requires it's own 12V power wire and ground wire, so 3 wires total for the gauge) and the signal moves the needle.

Electrical is almost always preferred because it's more reliable, less prone to failure, and easier to install.

Now that I think about it, you should buy this sender instead: http://www.summitracing.com/parts/vd...oVTxoC0F3w_wcB

It has 2 terminals for 2 wires; 1 wire will go to your new gauge, the other will go to your factory "idiot light" on the instrument cluster. All you would need to do is install this sender in place of the factory m20 sender (the "idiot light" sender) and run 1 new wire to your new gauge. Then snip off the factory idiot light connector, put on a ring terminal, and attach it to the other terminal on the sender.

See how I did it here: http://www.r3vlimited.com/board/show...&postcount=254

[cleanasse30]

replying to find this later, good info!

[e30onBBSs]

Yea thanks corvallis! I ordered the ebay special and the adapter, I will post up when I install it!

[CorvallisBMW]

Which gauge did you purchase?

[FlyLizars45]

Nice write up on the gauges corvallis will use that for reference when i start my build