Is there a 4x4 chassis for a 1988 econoline e-150 van?

Yes, there are aftermarket options available for converting a 1988 Econoline E-150 van into a 4x4 chassis. Companies like Quigley Motor Company and Sportsmobile specialize in 4x4 conversions for various vans, including older models like the E-150. However, these conversions can be costly and may require significant modifications to the vehicle's suspension and drivetrain. It's advisable to consult with a professional converter to understand the specifics and feasibility of such a project.