If its already a single drive shaft it could be U-joints. As Van said you changed the angle so if you dont have a carrier bearing it could be bad u-joints being more obvious with the new angle.

--Dave

1999 Rodeo LS 3.2 4x4 5 Speed
32x11.50-15 BFG T/A KO on US Wheel 94 series
3" Lift - Rancho 9000x
Rear No-Slip Locker
Flowmaster 50 series SUV 2.25"

There is a very fine line between "hobby" and "mental illness." - Dave Barry