The problem happens regardless of the speed I drive. The car has a four
core radiater now, and it shows no external signs of damage. I can try to
flush it and I will try to get a 165 degree thermostat. Currently the
temp climbs past the P when there is a thermostat in. What temperature
thermostat would be good?
On Sun, 23 Apr 2000 16:19:58 +1200 malcolm cooper <[EMAIL PROTECTED]>
writes:
>Just thinking?
>If the rad was half blocked ,and,if you have the thermostat in thats
>even less water flow through the engine so it might heat up.
>
>Half blocked rad no thermostat = more water flow thru engine,hence
>runs
>colder.
>Does the engine over heat with out the thermostat at speed?e.g
>80Mhp.Or
>does it run even colder??..
>
>What type of water pump and fan do you use?
>I found the visc's(what ever) fan ,the engine runs hotter at high
>speed
>than it would if it had a 510 fan on it.
>
>Malcolm
>
>Chris I Dobbins wrote:
>>
>> Has anyone expereinced a problem like this:
>> Without a thermostat, my 510 runs cold even after an hour in
>traffic.
>> With a thermostat, it overheats in about 10 minutes. I have tested
>the
>> thermostat in a pot of water on the stove with a thermometer and it
>> works. The water pump is brand new. If I take off the radiater cap
>> without the thermostat in place I can see water flowing through
>well, but
>> with the thermostat in the water doesn't move at all. The lower
>radiater
>> hose is not collapsing and neither are kinked. I just seem to never
>get
>> the thermostat to open in the car. The car had 190 degree Farenheit
>> thermostat when the trouble started. I replace it with a 180 and it
>is
>> still there. So right now I am driving it without a thermostat. The
>car
>> doesn't have any major modifications and everything else seems to be
>in
>> excellent shape. How do I fix it?
>> Thanks,
>> 1969 Datsun 510 wagon
>> Chris
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>
>
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