1. Supercharger Belt
Check your belt condition and tension. Replace or adjust as required.
2. Oil Level
Check your belt condition and tension. Replace or adjust as required.
3. Filters
Clean / replace your oil and air filter at the vehicle manufacturers recommend intervals.
Sight Glass Oil Level
See image below for sight glass.

Supercharger Oil Change Intervals
Lysholm compressors vs New Whipple compressors
Lysholm Compressor
25,000 to 30,000 miles
Change oil every 25,000 to 30,000 miles with 5-50 weight full synthetic oil.
New Whipple Compressor
75,000 to 100,000 miles
Change oil every 75,000 to 100,000 miles with one of the following oils.
- Whipple #SCOIL-155
- Ford Motorcraft #XL-4
- GM #12345982