U-Joint Offroad VS Quigley 4x4 Conversion for Ford E350 Econoline

[Willy Hausen]

Hey Bros, my Son in Law is trying to decided on a 4x4 Conversion kit for his e350 Van build but would love to hear your guys input

From the research I have done its seems like the U-joint is more a of solid axle set vs independent suspension (quigley).

Theres also the quigley death wobble i have herd of...