In this episode, Starkey (Dennis Stewart) drives a Ford F-250 pickup (brown or dark orange/white) with a sharp, spinning bladed device that comes out of the right front bumper & is used to cause damage or puncture the tires of other vehicles.
In the movie 'Grease' (1978), Dennis plays 'Leo' & drives a black convertible (with flames coming out of the tailpipes) that has hubcaps with sharp, spinning blades that are used to cause damage or puncture tires.
When Ponch breaks the windshield on the bus, it shatters like a house window with sharp edges when in fact they are designed not to break like that