I have plans to convert my 260z to FI in the near future and need to find a solution for the coolant temp sensor.  I found the following adapter which looks interesting, and seems like a decent option without having to change around the thermostat housing.  Has anyone here used this for their FI conversion?

https://www.amazon.ca/Mishimoto-MMWHS-34-BK-Temperature-Sensor-Adapter/dp/B00860GH8A

I tried that, the adapter pissed me off esp the splicing (also looks bad).

I think the lower housing for a 280z can be used, they have a couple of spots for temp senders.

 

For my FI project, I used a 1/2 BSP to 3/8 NPT adapter on the thermostat housing.

8 minutes ago, SteveJ said:

For my FI project, I used a 1/2 BSP to 3/8 NPT adapter on the thermostat housing.

 

Interesting, this is the hose that runs through the carbs?

I believe so. The line was removed, and the port in the t-stat housing was plugged prior to my purchase of the car.

I did the Patton Machine fuel injection last year and found that port handy for coolant temperature sensor.

Just now, SteveJ said:

I believe so. The line was removed, and the port in the t-stat housing was plugged prior to my purchase of the car.

I did the Patton Machine fuel injection last year and found that port handy for coolant temperature sensor.

Perfect, this helps!  Thanks!

I also utilized a lot of the stock wiring to integrate my signals from the ECU and its relays for power to the ECU, power to the fuel pump, etc.

For the check engine light, I repurposed the choke light.

What kind of fuel injection are you thinking of using?

I just picked up an intake manifold from a 280z for $50.  I will be taking out the old components and adding a fuel rail which I also purchased.  I'm starting to collect the parts and hopefully start the project next fall.

I will be using the Microsquirt for the ECU.  

When you're looking at how to integrate the wiring, let me know.

By the way, one challenge you will face is the placement of the air intake/air filter. The 280Z core support is different from the 260Z. The 260Z does not have the opening for air intake plumbing to pass through. A friend found this out during his conversion.

1 minute ago, SteveJ said:

When you're looking at how to integrate the wiring, let me know.

By the way, one challenge you will face is the placement of the air intake/air filter. The 280Z core support is different from the 260Z. The 260Z does not have the opening for air intake plumbing to pass through. A friend found this out during his conversion.

This is good to know, thanks!