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Old 8th April 2020, 19:27   #1
Frank Beuningen holland
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Rover 75

Join Date: Apr 2020
Location: Beuningen holland
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Default Coolant flow direction

Hello all
Im frank from Holland
I have a 75 bld 2000 2,5 v6 sterling
I'm busy with a modification of the cooling system
A few things i want to do
First the fan... The original out on the engine side comes 2x 12 inch fan wat will work in serial those get connected on the original box of fan.onthe midelle comes an extra 12 volt connection posible high revs from box so i got there 2 speed.
On the place of original fan comes a 16 inch fan on a New thermostate at 98 C
Then as last an extra electric small waterpump which also on a thermostate swich
The idea behind this less blackspots airbubles and better flow at low revs
After a fast hot drive cooling stays working while engine is off
The only thing i now need to know is the flow direction
Is it behind the termostate warm water that's going to radiator wat get cooled backto engine?
Grts frank
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