Pyro probe location
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Cargo Master
Joined: Jun 2007
Posts: 2,723
Likes: 5
From: Roseburg, OR
Pyro probe location
I'm looking at ordering a pyro and looking for input on where would be the best location for the probe, pre turbo or post turbo. The truck has factory exhaust but im sure I will add 4" sometime in the near future. Also what temps I should expect to see, I do not run a tuner and do not have a tuned ficm. Picture would be appreciated if possible.
Thanks
Thanks
Elder User
Joined: Aug 2010
Posts: 675
Likes: 1
From: NV
Mine is in the rear of the drivers side manifold and I have seen near 1400 when I wasn't paying attention. I try to keep it below 1300 when towing.
That is based on the temperatures given in the Tech Folder: https://www.ford-trucks.com/forums/9...-pressure.html
I drilled from underneath with a small bit and gradually increased the hole size so there were no large cuttings that could enter the manifold. Tap carefully with a greased tap and test often so you don't cut the thread too big and bottom out the fitting. You will need a tap holder with a 3/8 drive and a long extension. A pair of goggles is also a good idea, the cuttings will fall on you!
That is based on the temperatures given in the Tech Folder: https://www.ford-trucks.com/forums/9...-pressure.html
I drilled from underneath with a small bit and gradually increased the hole size so there were no large cuttings that could enter the manifold. Tap carefully with a greased tap and test often so you don't cut the thread too big and bottom out the fitting. You will need a tap holder with a 3/8 drive and a long extension. A pair of goggles is also a good idea, the cuttings will fall on you!
Tuned
Joined: Jul 2007
Posts: 363
Likes: 4
...I drilled from underneath with a small bit and gradually increased the hole size so there were no large cuttings that could enter the manifold. Tap carefully with a greased tap and test often so you don't cut the thread too big and bottom out the fitting. You will need a tap holder with a 3/8 drive and a long extension. A pair of goggles is also a good idea, the cuttings will fall on you!
Elder User
Joined: Aug 2010
Posts: 675
Likes: 1
From: NV
It's a clean shot from below but protect the eyes!
Elder User
Joined: Aug 2010
Posts: 675
Likes: 1
From: NV
Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
I didn't bother greasing a tap. I started with a pilot bit and then drilled to the bit size for the 1/8 NPT tap. Then I tapped it dry. Gravity means the chips will fall down. I think I did put the shop vac over the hole and then installed the thermocouple.
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Cargo Master
Joined: Jun 2007
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From: Roseburg, OR
Sounds good. Any gauge brands to stay away from? I'm looking at 52mm analog gauges hopefully a factory match style.
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Cargo Master
Joined: Jun 2007
Posts: 2,723
Likes: 5
From: Roseburg, OR
Autometer is my first choice. The GlowShift also looked interesting but I've not heard much about them. I plan on running a dual pod with pyro and fuel pressure since they are not available with the SGII. Also have to figure out if I want an overhead or A-pillar pod.
Wiser by FTE
Joined: Jan 2010
Posts: 2,837
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I use glow shift led gauges and my only complaint is your can't dim them & they are way bright! I switched the pyro to auto meter for 4 digit readout.
Last edited by Curt's05; Jun 24, 2013 at 09:52 PM. Reason: add line
Wiser by FTE
Joined: Jan 2010
Posts: 2,837
Likes: 48
build quality is fine, I wanted 4 digit with no multiplier for the pyro so went with auto meter. Both are bright enough to see them in full sunlight. I switch them off, for the night trips. I have pre/post turbo same gauge, 2 sensors/switch. The post turbo has been over 800 in the mountain's and cools slower than the pre turbo sensor.