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Pre turbo. It can be mounted in the driver's side pipe between the exhaust manifold andthe turbo pretty easily. Detailed indtructions can probably be found where you purchase the gauge.
I figured it this way....if I'm putting the pyro on to ensure that I dont cook my turbo, do I want to know what the temp is before it gets there, or after it melts it?
Pre-turbo... in spite of other controversies, no one argues that it is most accurate there!
I drilled into the pipe that leads from the driver's side manifold to the turbo. There is a real obvious exposed section just a few inches from the manifold. I then installed the Clamp on probe that Isspro offers. No leaks!
I didn't have to deal with the shavings issue as I had the pipes loose to replace the upper seals on them. Many, many people have carefully drilled the pipes while they were installed. Have not heard of any damage from shavings. Have heard that people have removed most of the shavings by using a magnet on the outside of the pipe and working them to the hole for removal. Obviously you want to keep as many out as possible though.
You can always find something to worry about, but if you are careful I am sure it will work out fine!
The ideal place to put the probe is closest to the hottest piston. On the Cummins it is the #6 so we put them on the back side of the manifold closest to the #6 piston. I don't know what the hottest one on a PSD is but when going to the Hight HP knowing what the limit is and which part will hit that limit first is the key to walking or driveing home sometimes.
Originally posted by Jozey Would that be the same position for a 96 PSD?
I don't know a lot about the PSD but from looking at the way the air intake/turbo system works/sits on the engine I would think the front two pistons would be the hotter but I'm not really into the PSD. The reason the #6 piston on the Cummins is the hottest is because the intake system is closer to the front 3 pistons than the back 3. The air helps cool the piston and the faurther it has to travel in a hot engine the hotter it gets.