my original Spirit in the Sky Pedal arrived. Afer testing it, i relized that the chassis ins't grounded so the pedal has a TON of hum when engaged, especially with a single coil tele. The input and output jacks are the isoslated type. The hum is so loud it's unusable. i ended up grounding the chassis and it's ALOT better know. BTW, the entire PCB is very heavily gooped.
here's a pic of it next to my clone and they sound identical: