Re: fitting in head

[Billy Zoom <billyzoom@billyzoom.com>]

It sounds like the hole for the temp sending unit.
If you have an early car that had it in the radiator, you'll have to plug
one of the holes. I think they work better in the head.
>  tapped fitting in the
> smog head on my new 1275, just back of the thermostat
> and down on the side, facing the passenger side. It
> looks 1/2" NPT...it's gotta go into the water jacket,
> right? Where does it get plumbed?