Nut and bolt check for Friday track day. Replaced the electric temp gauge with a mechanical (VDO) gauge. I never trusted the electric gauges. There were two tricks to this. First the fan switch was moved from the thermostat housing to the top of the radiator to make room for the new gauge. The second was finding the appropriate adaptor to fit the VDO sender into the thermostat housing. The housing has an M22...







