camshafts

Gents, The cams of the 4.0 and 4.6 are different, anyone who knows wich one has more lift and/or duration? If yes, how much? I've got a Kent 180 cam in my P38 GEMS 4.6, and I miss the low end power the 4.6 in my Disco 1 has (3.9 camshaft) The 4.6 in my Disco is out of breath at about 3500rpm...

So I have the dreaded ticking sound coming from my engine. Found out about the PCV hoses letting air and humidity in the engine making the lifters stick. Sure enough, I look at the hoses and they're like marshmallow. Changed the hoses to oil resistant hoses. Ticking is still there obviously and...