Hi

Can someone please help me out. I have a group A lancer Evo 1 rally car and I'm swapping it back to a water cooled turbo. This has a modified radiator with the water tube from behind the steering pump bending down and feeding the base of the radiator. Therefore the normal water pipe for the rear of the turbo doesn't exist. I was thinking of just running two lines from the thermostat housing, one fro the top and one from the bottom. Does anyoen ting this would be a bad idea as there may not be enough water pressure between the two...?

If that's not a good idea then do I need to run one line from near the water pump to ensure I'm getting the right pressure...?

 

Water Cooled TUrbo? is tht even possible?

 

^ Aren't our turbos watercooled as well?

 

i dnt think there is water runnin through the turbo's, oil i think.

 

Yes they are.

Coolant. The reference "water cooled" means coolant. Oil and coolant flow through our turbos.

 

ic....

 

If you run both lines from the thermostat housing then you'll basically create a static loop with reduced flow. You want the return to go to the water pump inlet.

And just for reference, the Evo I is simply a GVR-4. I have one in the driveway myself. Love it.

I would take a single line off the thermostat housing, before the thermostat for the feed and use a radiator hose splice with a barb fitting for the return before the water pump. That way, water will flow from the head, through the turbo and back to the pump which is effectively the factory routing flow. I've always found it odd that the coolant route through the turbo on the GVR-4/1g/2g bypasses the radiator but that's the way it is built I suppose.

/brox

 

I worked it out. My wife and I have a new baby and I've been working around the clock on the car then looking after the little fella also. I was just too tired to work it out. I understood the static loop but since there's a restriction of flow due to the thermostat I thought maybe that's enough to push coolant through the turbo. I instead found that there was a line coming off the radiator that loops around from the water pump side so does get a certain pressure and since the turbo hasn't gone bang yet, and it was previously connected like that I guess I've got it right.
Thanks for your replies guys.