Pyrometer help. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

1ZlowZ · 04-24-2008, 06:20 PM

Hey everybody I want to know if you all can help me in installing a pyrometer, I have one that the sensor is angeled to 90 degree. Well I want to know where I have to install it since they say the manifold and, other sites say 6 inches below the exhaust manifold flange, help me.

vipi0 · 04-24-2008, 06:24 PM

install it in the manifold widebands are the ones that need to bee 6 inches after if you install it six inches after your mani it wont change rapidly enough to tell you anything.

1ZlowZ · 04-24-2008, 06:28 PM

Great! What part on manifold though which was my main question. Can just any muffler shop do that?

bigOdom1 · 04-24-2008, 06:29 PM

usually on the leanest cylinder what engine do you have

steve_o1989 · 04-24-2008, 06:37 PM

Exactly. You want to tap into the exhaust manifold runner on the cylinder that runs the leanest. I would imagine that it will be cylinder #4. The leanest cylinder will run the hottest so that is why you want to moniter than one.

04-24-2008, 06:20 PM	#1
1ZlowZ Zilvia Addict Join Date: Mar 2008 Location: Apple Valley Age: 32 Posts: 649 Trader Rating: (1) Feedback Score: 1 reviews	Pyrometer help. Hey everybody I want to know if you all can help me in installing a pyrometer, I have one that the sensor is angeled to 90 degree. Well I want to know where I have to install it since they say the manifold and, other sites say 6 inches below the exhaust manifold flange, help me. __________________ -Victor S.

04-24-2008, 06:28 PM	#3
1ZlowZ Zilvia Addict Join Date: Mar 2008 Location: Apple Valley Age: 32 Posts: 649 Trader Rating: (1) Feedback Score: 1 reviews	Great! What part on manifold though which was my main question. Can just any muffler shop do that? __________________ -Victor S.

04-24-2008, 06:37 PM	#5
steve_o1989 Zilvia Junkie Join Date: Sep 2006 Location: Regina, SK Age: 35 Posts: 541 Trader Rating: (6) Feedback Score: 6 reviews	Exactly. You want to tap into the exhaust manifold runner on the cylinder that runs the leanest. I would imagine that it will be cylinder #4. The leanest cylinder will run the hottest so that is why you want to moniter than one. __________________ 1997 240sx SE 1998 Frontier SE 1990 240sx Coupe - Sold 1992 Talon Tsi - Sold

04-24-2008, 06:24 PM	#2
vipi0 Join Date: Sep 2005 Location: houston Age: 45 Posts: 47 Trader Rating: (0) Feedback Score: 0 reviews	install it in the manifold widebands are the ones that need to bee 6 inches after if you install it six inches after your mani it wont change rapidly enough to tell you anything.

04-24-2008, 06:29 PM	#4
bigOdom1 Nissanaholic! Join Date: Nov 2005 Location: Auburn/Birmingham AL Age: 41 Posts: 1,817 Trader Rating: (4) Rides Gallery: bigOdom1 Feedback Score: 4 reviews	usually on the leanest cylinder what engine do you have __________________ my car domain that good review thread