DIY - Building the ultimate Rear Mount Radiator setup - Part 2

Redoing the rear mount radiator for the Quad turbo LS S4.
This setup will be more sleek, should cool 1000hp+ and should “auto bleed”.

Continuation from part 1 =    • DIY - Building the ultimate Rear Moun...  


Modified an expansion tank that I bought off Amazon. I also had to modify the inlet and out of the radiator to make the new expansion tank work. In theory because I'm returning the coolant to the expansion tank first, it should allow the air to separate from the coolant. This should have less chance of air getting pushed through the radiator.

I intentionally went larger on the expansion tank to the radiator in hopes that it does not get backed up. If you also notice the extension tank inlet is pointed towards the outlet/drain so there should be minimal coolant time in the tank. The expansion tank is also slightly angled to have the outlet at the lowest point.

I followed the angle of the EWP150 from Davies Craig manual as well.


Link to parts:
Davies Craig EWP150 Electric Water Pump and LCD EWP & Fan Digital Control: https://amzn.to/3KYlE5g
Expansion tank: https://amzn.to/3qGwd61

Used to connect the expansion tank to radiator
Straight silicone radiator hose 12 in long 1.75 ID: https://amzn.to/3YUd6BX
Straight Aluminum Radiator Hose Connector, 1.75" O.D., 6" Length: https://amzn.to/3swKwdW

Used for Return to expansion tank from engine and from radiator to waterpump
Speedway Motors 90 Degree Radiator 1-1/2 Inch ID Hose Connector - Aluminum Alloy: https://amzn.to/47RYoiO



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