Night Rodder· Don't think, ride.
I feel your pain, I was experiencing the same problem and I surmised that the spray was probably coming as the cooling fans come on it is blowing the dripping coolant all over the engine. I know you have tightened the clamps but did you use a torque wrench and tighten them to 27-35 inch lbs? I did not resolve my leaking coolant until I tightened them to spec with a torque wrench. Before using the torque wrench I was afraid of making it too tight but I was surprised how loose they were after torquing them to spec. I know how irritating this problem is, I hope this helps. If not, I remember another thread where someone had a problem of the upper radiator tube below the airbox had worn through. You might check that too. Good luck.