That is an excellent point. The 86+ has the temp gauge sender in the
thermostat housing. It needs coolant flowing to get an accurate reading,
especially with the plastic housing most vans have. Syncros have a metal
one and there are metal aftermarket ones available as well.

Mark

Kevin Duvernay wrote:
> Thanks. I will add a new thermostat to the to-do list. Quick question,
> where is the sensor for the temperature gauge? Is it measuring coolant
> temp or engine temp? Im trying to think about what its response would be
> if there was a catastrophic loss of coolant, a major leak.
>
> Kevin
>
>