In this video I show the VelocityAP Audi Coolant Ports for the 3.0TFSI, with 2x CWA100 pumps setup in series circuit(pre HX) and utilizing entirely 3/4in hoses throughout.
Something I did not mentioned in the video; The reasoning for plumbing the pumps before the HX, these pumps will slightly raise the fluid temp, plumbing before the HX lets it remove that increase in temp. Then by feeding the bottom of the HX helps avoid air lock in the pumps.
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