66 burb driveshaft angles

[v30crewcab]

what are you guys running for driveshaft angles with your swaps? 5.3/4l60 in a 66 burb, factory 72 v8 stands, cpp crossmember is 1.5 inches lower at the trans mount than my factory 71 crossmember is. its putting the ujoint angle at the trans at 5 degrees(factory 2piece driveshaft with a cpp trailing arm drop crossmember). did cpp build their trans crossmember wrong? the trans mount is level with the bottom of the frame.