NC hybrid setup/coolant blows heater core/how to avoid?

[Bruce Plecan]

> Ok, I just didnt know which hole you were referring to.  Would the
increase in
> pressure at that point lead to a lower volume of water passed through the
> heads?  Or would that be counter-acted by the decrease in volume at the
bypass?

On the passenger side of the waterpump/block there is a bypass hole about
3/8" in diameter.  Just look at a gasket and you'll see it.  SBC.
>
> > All, very good things..   The hole in the thermostat is to make sure no
air
> > accumulates on the bottom side of it.   If ya llook close on some hot
rods
> > the first day after running the heater full one for weeks the temp guage
> > rises rather high the first time the thermostat opens.   The colder the
> > weather the worse quicker this happens.
>
> I have seen people do this on each side of the thermostat, where did you
drill
> the hole?

Anywhere exposed to coolant.  You just want a way for trapped air to pass
the thermostat.
Bruce
>
> James Ballenger
>