Another good read in the FAQ's is the information concerning low coolant sensors. These are extremely easy to fit into the 240 series and not difficult in the 700 cars. Temperature gauges will (most often) tell you when an overheated condition exists but really how often do you check your gauges? Even a slow leak can turn into a cooked head. A float switch in the reservoir can alert you prior to overheating.

It is also a good time to consider removing the temperature compenstating board in your later 240 cars. A consistently working guage is nice to have.

Randy