There is a tapped and plugged hole in the side of the U20 block. I suppose you
could insert the coolant temperature gauge at that location. it would read
temp at the water jacket around the cylinder.
I have a similar setup on my KA. I measure in the heater outlet hole in the
>From: John F Sandhoff <firstname.lastname@example.org>
>Sent: May 24, 2006 1:51 PM
>To: lonestar <email@example.com>
>Subject: RE: Aftermarket Water Temp
>> ...BSR solved the problem by splitting the rad hose into 2 pieces,
>> connected by a short piece of tubing with rolled beads on each end.
>A word of warning. Techniques such as these measure the
>WATER temperature. If you lose your coolant (bad radiator, failed
>hose), your gauge will very happily register COOL while your engine
>cooks, warps, and seizes. The nice thing about the 1600 sender
>is if you lose coolant the sensor starts monitoring head temp. Not
>as true for the 2000 sensor location, I'm afraid.
> John F Sandhoff firstname.lastname@example.org Sacramento, Ca