oil pressure gauge install question - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

SoguRacing · 11-04-2008, 01:27 PM

does anybody know the fitting size for the oil pressure switch on the sr redtop? i just bought an apexi oil pressure gauge and the instructions state that their threading on their sensor is 1/8pt. what is stock so i can get an adapter if needed? thanks.

96Turbo · 11-04-2008, 01:35 PM

on my RB it was a M10 x 1.00.....i know i know...not an SR, but i would assume they use the same thing. just change your oil, pull out the stock oil pressure switch, and bring it to the hardware store

finding an adapter wasn't too hard, but making an adapter into a splitter required some creativity

96Turbo · 11-04-2008, 01:37 PM

here's what i needed:

Adapters and Bushings: Bushings - 1/8" NPT Female x Metric Male - egauges.com

SoguRacing · 11-04-2008, 01:43 PM

did you guys use apexi gauges?

96Turbo · 11-04-2008, 01:45 PM

no to apexi gauges, but the sensor was 1/8" NPT

that's pretty much what 90% of aftermarket gauge sensors are.

SoguRacing · 11-04-2008, 02:10 PM

the the apexi sensor goes into the adapter piece which then converts the threading to M10 X 1.0 male which goes into the block?

japslapsilvia · 11-04-2008, 02:23 PM

Most JDM gauges are 1/8PT not 1/8NPT stock SR oil pressure sensor is 1/8PT.

96Turbo · 11-04-2008, 02:55 PM

^^ok, my gauges weren't jdm so that must be why the NPT

If he's right then it should just screw right in!

SoguRacing · 11-04-2008, 03:27 PM

well i just attempted the sensor swap and it didn't screw in all the way. I'm going to get the fitting.

Banegraphix · 11-04-2008, 03:35 PM

I just did a oil cooler install and used a M10x1.0 on my redtop. Went in about 3/4 of the way by hand the i used a wrench for the rest of the way but it went right in. I think it only went 3/4 by hand due to some old oil built up on the threads.

projectRDM · 11-04-2008, 04:42 PM

Quote:

Originally Posted by japslapsilvia

Most JDM gauges are 1/8PT not 1/8NPT stock SR oil pressure sensor is 1/8PT.

Close. 1/8" BPST is the correct measure. And yes, most stuff from Japan is threaded to BPST standards, US stuff needs the adapter to go from NPT.

japslapsilvia · 11-04-2008, 05:13 PM

Quote:

Originally Posted by projectRDM

Close. 1/8" BPST is the correct measure. And yes, most stuff from Japan is threaded to BPST standards, US stuff needs the adapter to go from NPT.

correct.

but its BSPT. and PT (as used to describe fittings on JDM gauges) is the same as BSPT

Sir · 11-05-2008, 10:43 AM

Quote:

Originally Posted by SoguRacing

well i just attempted the sensor swap and it didn't screw in all the way. I'm going to get the fitting.

port on SR is same as your sensor -1/8 BSPT. No adapters/fittings/bullshit needed.

11-04-2008, 01:27 PM	#1
SoguRacing Post Whore! Join Date: Nov 2007 Location: (714) Age: 35 Posts: 2,967 Trader Rating: (23) Rides Gallery: SoguRacing Feedback Score: 23 reviews	oil pressure gauge install question does anybody know the fitting size for the oil pressure switch on the sr redtop? i just bought an apexi oil pressure gauge and the instructions state that their threading on their sensor is 1/8pt. what is stock so i can get an adapter if needed? thanks. __________________ Pre Tune Checkup! Compression,LeakDown,Vacuum Test $80. Cams Install: $180

11-04-2008, 01:43 PM	#4
SoguRacing Post Whore! Join Date: Nov 2007 Location: (714) Age: 35 Posts: 2,967 Trader Rating: (23) Rides Gallery: SoguRacing Feedback Score: 23 reviews	did you guys use apexi gauges? __________________ Pre Tune Checkup! Compression,LeakDown,Vacuum Test $80. Cams Install: $180

11-04-2008, 02:10 PM	#6
SoguRacing Post Whore! Join Date: Nov 2007 Location: (714) Age: 35 Posts: 2,967 Trader Rating: (23) Rides Gallery: SoguRacing Feedback Score: 23 reviews	the the apexi sensor goes into the adapter piece which then converts the threading to M10 X 1.0 male which goes into the block? __________________ Pre Tune Checkup! Compression,LeakDown,Vacuum Test $80. Cams Install: $180

11-04-2008, 03:27 PM	#9
SoguRacing Post Whore! Join Date: Nov 2007 Location: (714) Age: 35 Posts: 2,967 Trader Rating: (23) Rides Gallery: SoguRacing Feedback Score: 23 reviews	well i just attempted the sensor swap and it didn't screw in all the way. I'm going to get the fitting. __________________ Pre Tune Checkup! Compression,LeakDown,Vacuum Test $80. Cams Install: $180

Thread Tools
Show Printable Version Email this Page
Display Modes
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode

11-04-2008, 01:35 PM	#2
96Turbo Zilvia FREAK! Join Date: Nov 2007 Location: AZ Age: 32 Posts: 1,315 Trader Rating: (11) Feedback Score: 11 reviews	on my RB it was a M10 x 1.00.....i know i know...not an SR, but i would assume they use the same thing. just change your oil, pull out the stock oil pressure switch, and bring it to the hardware store finding an adapter wasn't too hard, but making an adapter into a splitter required some creativity

11-04-2008, 01:37 PM	#3
96Turbo Zilvia FREAK! Join Date: Nov 2007 Location: AZ Age: 32 Posts: 1,315 Trader Rating: (11) Feedback Score: 11 reviews	here's what i needed: Adapters and Bushings: Bushings - 1/8" NPT Female x Metric Male - egauges.com

11-04-2008, 01:45 PM	#5
96Turbo Zilvia FREAK! Join Date: Nov 2007 Location: AZ Age: 32 Posts: 1,315 Trader Rating: (11) Feedback Score: 11 reviews	no to apexi gauges, but the sensor was 1/8" NPT that's pretty much what 90% of aftermarket gauge sensors are.

11-04-2008, 02:55 PM	#8
96Turbo Zilvia FREAK! Join Date: Nov 2007 Location: AZ Age: 32 Posts: 1,315 Trader Rating: (11) Feedback Score: 11 reviews	^^ok, my gauges weren't jdm so that must be why the NPT If he's right then it should just screw right in!

11-04-2008, 03:35 PM	#10
Banegraphix Leaky Injector Join Date: Sep 2008 Location: Tampa Age: 39 Posts: 111 Trader Rating: (1) Feedback Score: 1 reviews	I just did a oil cooler install and used a M10x1.0 on my redtop. Went in about 3/4 of the way by hand the i used a wrench for the rest of the way but it went right in. I think it only went 3/4 by hand due to some old oil built up on the threads.