oil pressure gauge

88Saleen · April 17th, 2009, 12:52 PM

OK guys, i bought this gauge a while ago and its just sitting here on my desk basically because i have never installed one and dont know how to. so how do i do this? does it take an after market sending unit? do i need anything else along with the gauge and a length of hose or tubing for the oil?

grnstang · April 17th, 2009, 01:51 PM

you need a sending unit that threads into the stock gauge's sending unit location which is next to your oil filter. also you need wiring

R0B0T · April 17th, 2009, 02:16 PM

mechanical or electric???

mechanical, you unscrew the factory sending unit by the oil filter and thread the fitting in its place that's at the end of the tube... then you screw the other end of the tubing onto the gauge...

88Saleen · April 17th, 2009, 03:36 PM

ok, yeah its mechanical, the gauge i got came with a tube i believe its a 1/8" i can really make out exactly what it says but pretty sure its 1/8". so basically i need a fitting to accept the 1/8" to connect my tube to?

R0B0T · April 17th, 2009, 08:38 PM

yes, i believe you can find what you need at ace hardware...

it will be a nut and a small cone piece...

i think its called a pressure fitting...

88Saleen · April 17th, 2009, 08:54 PM

aight thanks.

BlessedHellride · April 17th, 2009, 11:06 PM

Make sure to install it with copper tubing and not the plastic poly flow that comes with them.

viperlocc · April 18th, 2009, 01:37 AM

Originally Posted by BlessedHellride

Make sure to install it with copper tubing and not the plastic poly flow that comes with them.

ive never had any problems with the nylon hose. i only ran copper if i have worries that it'll touch the exhaust mani.

BlessedHellride · April 18th, 2009, 08:39 AM

keep using the poly flow and you will have problems out of it.

viperlocc · April 18th, 2009, 01:09 PM

Originally Posted by BlessedHellride

keep using the poly flow and you will have problems out of it.

like what? the gauge was installed with the previous owner in '99 and has never changed the hose

BlessedHellride · April 18th, 2009, 01:11 PM

They will blow out, I have seem them do it several times. If it is working for you and you feel comfortable about it then just leave it be, it's your car so do what you wish my friend.

TN.Frank · April 18th, 2009, 04:02 PM

I went to pull the mechanical OP gauge out of my car this a.m. and install a sending unit to see if the stock in-dash gauge would work(it did by the way, the guy was just to lazy to fix the problem right and rigged it with a mechanical gauge.) and the nylon tube broke in half, that stuf isn't the best, I'd much rather use copper provided you can be careful with it and not crimp it or otherwise weaken it. Even better yet, get an electrical aftermarket gauge if you don't like the factory one. That way you've not got hot, high pressure oil in the car with you.

April 17th, 2009, 12:52 PM	#1
88Saleen Regular 1988 Mustang Join Date: Apr 2008 Location: Lima, Ohio or Grand Blanc, Michigan Posts: 185	oil pressure gauge OK guys, i bought this gauge a while ago and its just sitting here on my desk basically because i have never installed one and dont know how to. so how do i do this? does it take an after market sending unit? do i need anything else along with the gauge and a length of hose or tubing for the oil?

April 17th, 2009, 01:51 PM	#2
grnstang Hardcore Enthusiast 91 LX 13.7@101 Join Date: Oct 2008 Location: Norwalk OH Posts: 1,390	you need a sending unit that threads into the stock gauge's sending unit location which is next to your oil filter. also you need wiring __________________

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April 17th, 2009, 02:16 PM	#3
R0B0T Regular 12.8@103... stock motor 11.8@113...150 shot Join Date: Apr 2008 Posts: 355	mechanical or electric??? mechanical, you unscrew the factory sending unit by the oil filter and thread the fitting in its place that's at the end of the tube... then you screw the other end of the tubing onto the gauge...

April 17th, 2009, 03:36 PM	#4
88Saleen Regular 1988 Mustang Join Date: Apr 2008 Location: Lima, Ohio or Grand Blanc, Michigan Posts: 185	ok, yeah its mechanical, the gauge i got came with a tube i believe its a 1/8" i can really make out exactly what it says but pretty sure its 1/8". so basically i need a fitting to accept the 1/8" to connect my tube to?

April 17th, 2009, 08:38 PM	#5
R0B0T Regular 12.8@103... stock motor 11.8@113...150 shot Join Date: Apr 2008 Posts: 355	yes, i believe you can find what you need at ace hardware... it will be a nut and a small cone piece... i think its called a pressure fitting...

April 17th, 2009, 08:54 PM	#6
88Saleen Regular 1988 Mustang Join Date: Apr 2008 Location: Lima, Ohio or Grand Blanc, Michigan Posts: 185	aight thanks.

April 17th, 2009, 11:06 PM	#7
BlessedHellride Regular 1988 Notchback 11.92 @ 113mph N/A Join Date: Mar 2009 Location: DeRidder, Louisiana Posts: 353	Make sure to install it with copper tubing and not the plastic poly flow that comes with them.

April 18th, 2009, 08:39 AM	#9
BlessedHellride Regular 1988 Notchback 11.92 @ 113mph N/A Join Date: Mar 2009 Location: DeRidder, Louisiana Posts: 353	keep using the poly flow and you will have problems out of it.

April 18th, 2009, 01:11 PM	#11
BlessedHellride Regular 1988 Notchback 11.92 @ 113mph N/A Join Date: Mar 2009 Location: DeRidder, Louisiana Posts: 353	They will blow out, I have seem them do it several times. If it is working for you and you feel comfortable about it then just leave it be, it's your car so do what you wish my friend.

April 18th, 2009, 04:02 PM	#12
TN.Frank Regular 1989 Mustang GT 5.0L H.O. Join Date: Mar 2009 Location: Crossville, TN. U.S.A. Posts: 181	I went to pull the mechanical OP gauge out of my car this a.m. and install a sending unit to see if the stock in-dash gauge would work(it did by the way, the guy was just to lazy to fix the problem right and rigged it with a mechanical gauge.) and the nylon tube broke in half, that stuf isn't the best, I'd much rather use copper provided you can be careful with it and not crimp it or otherwise weaken it. Even better yet, get an electrical aftermarket gauge if you don't like the factory one. That way you've not got hot, high pressure oil in the car with you.

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