Muldoon's Kustoms an antique Hot Rod shop where the guy also restores antique bicycles and tinkers with Whizzers.The place is called Muldoon's Kustoms and is at 823 W Gardena Blvd in Gardena CA.
I got that quote from a thread here http://motorbicycling.com/f3/wizard-4-stroke-2520-3.html and it sounds like a place I've got to look at! Whizzers, antique bikes and customs, very cool!