Radiator: CSF or Mishimoto?

phunk

29, 28, and the lower half of 25 yup, this is the loop that skips the rad when thermostat is closed. On the DE this loop is the big ugly one that crosses right over the front timing cover. The top half of 25 is the heater core return.

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Rusty

Ok, I got my head wrapped around it. Talk about making a simple system hard. Typical Japanese. Over engineered it. Looks like the best place for an aftermarket temp sensor is with the factory temp sensor. That location has constant flow.

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浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
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phunk

Its actually the layout I am most accustomed to. The few engines I have put great attention into worked in a similar way. For me it would feel odd to go the other way.

Agreed. The stock sensor is in the best spot.

Here is a possible option for you. I have attached a photo sequence I took back in 2010 when I first did the twin turbo setup on my Z. When the trans is out, it is very easy to remove the water outlet housing from the back of the cylinder heads.

I wanted to delete the throttle coolant lines. The cleanest way for me to handle the barb on the water outlet was to pull it out (its a press fit) and then tap and plug the hole. When you pull out the barb, the hole left behind is a perfect diameter for a deep-set 1/8 NPT or BSPT thread. So I ran a tap in and then plugged it.

This bung could also be drilled and tapped oversize for your aftermarket water temp sensors. Of course, it will only handle so large of a thread before you would need to weld on the pipe also. But if you have a compact sensor, this is a great option.

Attached Images

Untitled-1.jpg (296.6 KB, 39 views)

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