The VW Microbus is not built for speed
The Type 2 I drove used a 1.5-liter flat-four that put out about 53 horsepower when brand new. It had a bit more oomph than the ‘64 Beetle, but the van weighed around 1,000 pounds more. As a result, the VW Bus takes a while to pick up speed and struggles mounting hills.
The steering would be unacceptably floaty by modern standards; shifting was an adventure; and the brakes made me rue the number of leg days I'd skipped. Sitting on a springy chair right above the wheel, it felt a bit like traveling over water at high speed.