7 inch top...6.5 bottom
3 row 26 inch rad
blades are half in shroud ..half out.. at idle sucks a paper towel instantly and holds it there
3 questions Not answered
What are the core dimension's H & W?
How big is the fan?
What is the distance between the shroud opening and tips of the fan blade?
And a few more:
Does the paper towel suck up to the radiator evenly across the entire core?
Will i t do the same with a shop towel ( heavier)
Is the Shroud sealed to the radiator all the way around?
You might try taking some temp readings at various areas of the core as you may have uneven cooling for a number of reasons.
