Does anyone know what the inside Radiator Hose diameter is?
I was looking to add a water temp sensor and Greddy makes a several different sizes to fit.

 

I am thinking it is probably a 36mm or 38mm sized hose.

 

I had wondered about the same question. I called Greddy, informed them its for an S2K and they told me to call Honda. What a blow off. You would think they would know the application for their products.

I found another brand, AC autotechnic AC 1 3/16

 

I like your choice. I ordered the Greddy but will call them in the morning and cancel the unit and order the one suggested. I like it better with the ground wire attachment and hopefully have threads that will fit my Auto Meter sensor.
I know the Greddy has custom reads and would have need to be tapped.
Thanks for the info :-)

 

I also used the Water temp gauge and sender from Autometer. The AC Autothechnic's water temp adapter is threaded for the same threads as the Autometer sender unit.

The water temp. adapters also come in blue and silver. Their site is www.acautotechnic.com

Mike

 

Nice product

 

i used the 30mm one on my car.