Modified Guard Vent

All Land Rovers and Range Rovers that I have owned, have had continuous coolant water flow through to heater core. This is a cheap method to alow some water circulation in the coolant passages of block and head until the thermostat opens.

Don't use a valve to block the flow to the heater unless you use 3-way valves to create a bypass circuit.

With an Isuzu engine,the one I have from a truck has a bypass system at the water pump. I don't know if the 4BD1 factory fitted to Land Rovers has the same bypass on the water pump.

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Originally Posted by popemobile

Last time my landy did mach 0.3 I wasnt really worried about fiddling with the my heater knobs

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So what did you drive off the top of, to achieve that speed?

More importantly, was the heater effective at that speed, or did the function reverse and blow cold air, as per the ram effect?

Cheers Arthur

Where will you connect the hand throttle cable to?
The Army defender have hand throttle cable (Pull on and turn lock}
on the R/H position for a choke cable (normal ignition on every other car)
You could use a choke cable- I had an old 40 series Tojo which had a hand throttle of tis designand it worked well.

Again where in the controls would you connect the cable? I have a short cable and control which I have wanted to fit for some time.

Regards

pull the two sliders on the right side of the dash.
The inner one is for the heater flap
The outer one drives a push pull wire to shange between windscreen and footwell vents.
Simple matter of locking your push pull wire to the mechanism.
Pass push pull wire alongside factory throttle cable.
Firmly attach both outer sheat
Connect some soft pliable wire (like 49 strand) to the push pull wire and attach the soft wire to the U-Clip on the top of the injector pump.

When you now slide the lever, cable will pull on soft wire. Spring return on IP will keep everything under tension.

Ill take some photos when its done - still waiting on 49 strand.

S