Well...He did not do a very good job....cause he says the MP590 is 265 @.050....everyone that I have degreed in is 271 degrees....and same thing with the MP557 cam...he says 252 @.050....just did one a month ago..and it was 257 @.050...,,,,
check the old article...
Mopar Performance Purple Shaft Camshaft - Mopar Muscle Magazine.