Here is a photo of what Jerry (HRL) was describing. I do it on V8 conversions as it lets one use the factory sensor and capillary tube rather than the pricey after market one long enough to reach the port on the head or T-stat housing. A grinder, drill and tap are the only tools needed.
Flat spot ground on left rear of intake and then drilled and tapped for temp bulb brass fitting:
[img]https://i.postimg.cc/ftLtprqY/S10-054.jpg[/img]


Evan