hi all im back after extended vacation but yeah if you take the thermostat out and put it in boiling water you should also have a thermometer the thermostat is designed to open at a specific temp youll need to find what temp its meant to open around and if it doesnt then yes its stuffed but what also could be your problem if all else fails your water pump is cactus i woulndt say it is but hey if you checked the head gasget id say the pump is the next best place to look
pedders springs 2 inches at the back 2 1/2 inches at the front, ef chasers, green parkers, kenwood cd deck and 2 sony xplode 900w subs and a Kmart fire exstinguisher cause you never know.
a/c that doesnt work, cracked firewall, no horn, and 4 bald tyres!
id sooner drive my ford than push a holden.....or my girlfreinds pulsar lol!!