Originally Posted by
Chas
QH and First Line I will not buy again. It is strange as a QH 'stat years ago in one of my retros was absolutely fine, holding a very stable temperature. It is a shame that the rest were garbage!
Puma 'stat is said to be 82 degrees

. When I checked it was less than £13 from Ford.
They cant all be crap otherwise they wouldn't be able to sell them but definitely if it is in charge of stopping the head melting I would buy something tried and tested