ka24det w/sr elbow.. what o2 sensor? - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

mikemadison_09 · 05-29-2009, 08:17 PM

i got a ka24det set up with a sr t25 and the stock t25 elbow, problem is how do i use an o2 sensor in that elbow?

***S14DB*** · 05-29-2009, 09:26 PM

Doesn't it have an O2 sensor bung in it?

Om1kron · 05-29-2009, 10:02 PM

there are two different types of 02 senors, a skinny 02 sensor and a fat 02 sensor. The FAT 02 sensor's on your ka24de will not fit in that elbow you will need the skinny 02 sensor.

S14klares · 05-29-2009, 11:08 PM

the skinny O2 bung can also be removed i believe its an 1" wrench or something like that and the remaining hole is i believe the proper size for the big O2. or dont run any o2 sensor b/c its not gonna compensate on the ka ecu for any of that jazz.. you should be running an afc / wideband at the very least. if you remove the o2 you have less of a chance of the ecu pulling/adding fuel and you control everyhting.

***S14DB*** · 05-30-2009, 12:27 AM

Quote:

Originally Posted by Om1kron

there are two different types of 02 senors, a skinny 02 sensor and a fat 02 sensor. The FAT 02 sensor's on your ka24de will not fit in that elbow you will need the skinny 02 sensor.

Really? My fattie screwed right in.

JaMeSoN · 05-30-2009, 03:45 AM

Quote:

Originally Posted by S14DB

Really? My fattie screwed right in.

so did mine. hmmm

projectRDM · 05-31-2009, 03:49 PM

Quote:

Originally Posted by Om1kron

there are two different types of 02 senors, a skinny 02 sensor and a fat 02 sensor. The FAT 02 sensor's on your ka24de will not fit in that elbow you will need the skinny 02 sensor.

Incorrect. Either sensor fits the same hole, the sensor body is smaller but that's it. The rear O2 on '95-'96 models is smaller, but it's not used anyway.

To the OP - you use the sensor that came on your car. Not that hard to figure out.

mikemadison_09 · 06-01-2009, 12:17 PM

the sensor that is for my car dosent fit the holes, either a bit too big and then the reducer for the skinny is well wayy too skinny for the stock o2 sensor.. and i have a tuned ecu so i kinda need the o2 sensor

Matej · 06-01-2009, 12:21 PM

There should be a big hex nut that screws into the elbow, and the nut has a smaller hole in the center that the O2 sensor screws into.

TNathe · 06-01-2009, 12:51 PM

The auto-parts stores and exhaust shops have o2 bungs. Go find one then remove the one in the pipe and replace with new one or just take the pipe to an exhaust shop with your O2 sensor and say "here ya go"

SilviaSR20DET · 06-01-2009, 08:32 PM

just get a aftermarket elbow and you will be set!

eclipse_dsm · 06-01-2009, 09:00 PM

There are 2 types of o2 sensor the 3 wire ( Skinny Type ) on the earlier SR and the 1 wire ( Bigger o2 sensor ) on KA and some SRs. You would obviously need the 1 wire so either get a torch or soak it on WD40 maybe liquid wrench also to remove the skinny bung on the SR elbow and do the same on your stock exhaust manifold and then re use the bung from your stock EX manifold on the SR Elbow. GL!!

05-29-2009, 08:17 PM	#1
mikemadison_09 Join Date: Sep 2007 Location: chicago Posts: 37 Trader Rating: (0) Feedback Score: 0 reviews	ka24det w/sr elbow.. what o2 sensor? i got a ka24det set up with a sr t25 and the stock t25 elbow, problem is how do i use an o2 sensor in that elbow?

05-29-2009, 09:26 PM	#2
*S14DB* AFC #1 Join Date: Oct 2003 Location: 昨晩あなたのお母さんの家 Posts: 20,181 Trader Rating: (3) Feedback Score: 3 reviews	Doesn't it have an O2 sensor bung in it? __________________ Comments should be taken as Opinions not as Statements of Fact

05-29-2009, 10:02 PM	#3
Om1kron Post Whore! Join Date: Sep 2004 Location: Granada Hills, CA Age: 44 Posts: 6,992 Trader Rating: (15) Feedback Score: 15 reviews	there are two different types of 02 senors, a skinny 02 sensor and a fat 02 sensor. The FAT 02 sensor's on your ka24de will not fit in that elbow you will need the skinny 02 sensor. __________________ Wayne Edwards https://om1kron.blogspot.com

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

05-29-2009, 11:08 PM	#4
S14klares Leaky Injector Join Date: May 2006 Location: c.c. Posts: 147 Trader Rating: (1) Feedback Score: 1 reviews	the skinny O2 bung can also be removed i believe its an 1" wrench or something like that and the remaining hole is i believe the proper size for the big O2. or dont run any o2 sensor b/c its not gonna compensate on the ka ecu for any of that jazz.. you should be running an afc / wideband at the very least. if you remove the o2 you have less of a chance of the ecu pulling/adding fuel and you control everyhting.

06-01-2009, 12:17 PM	#8
mikemadison_09 Join Date: Sep 2007 Location: chicago Posts: 37 Trader Rating: (0) Feedback Score: 0 reviews	the sensor that is for my car dosent fit the holes, either a bit too big and then the reducer for the skinny is well wayy too skinny for the stock o2 sensor.. and i have a tuned ecu so i kinda need the o2 sensor

06-01-2009, 12:21 PM	#9
Matej Post Whore! Join Date: Feb 2007 Location: N/A Posts: 9,423 Trader Rating: (39) Feedback Score: 39 reviews	There should be a big hex nut that screws into the elbow, and the nut has a smaller hole in the center that the O2 sensor screws into.

06-01-2009, 12:51 PM	#10
TNathe Zilvia Member Join Date: Jul 2003 Location: Dade City, FL Age: 41 Posts: 173 Trader Rating: (0) Feedback Score: 0 reviews	The auto-parts stores and exhaust shops have o2 bungs. Go find one then remove the one in the pipe and replace with new one or just take the pipe to an exhaust shop with your O2 sensor and say "here ya go"

06-01-2009, 08:32 PM	#11
SilviaSR20DET Zilvia FREAK! Join Date: Mar 2002 Location: Seattle, WA Posts: 1,221 Trader Rating: (9) Feedback Score: 9 reviews	just get a aftermarket elbow and you will be set!

06-01-2009, 09:00 PM	#12
eclipse_dsm Zilvia Junkie Join Date: Jun 2005 Location: DriftHeaven Posts: 411 Trader Rating: (3) Feedback Score: 3 reviews	There are 2 types of o2 sensor the 3 wire ( Skinny Type ) on the earlier SR and the 1 wire ( Bigger o2 sensor ) on KA and some SRs. You would obviously need the 1 wire so either get a torch or soak it on WD40 maybe liquid wrench also to remove the skinny bung on the SR elbow and do the same on your stock exhaust manifold and then re use the bung from your stock EX manifold on the SR Elbow. GL!!