Clue: Engine buildup

Answer: 2 possible answers to Engine buildup. From 4 to 5 leters.

Engine buildup answers with 4 characters:

• GUNK

Engine buildup answers with 5 characters:

• GRIME

---

Similar Clues:

• Toxic assets that pay for engine buildup? (SLUDGEFUNDS with 11 letters)
• Engineer's compartment (CAB with 3 letters)
• Disgusting buildup (CRUD with 4 letters)
• QBs engineer them (TDS with 3 letters)
• Runs well, as an engine (HUMS with 4 letters)
• Engineers' sch. (MIT with 3 letters)
• Sound of a tuned engine (PURR with 4 letters)
• Engine chamber (CYLINDER with 8 letters)
• Black buildup (SOOT with 4 letters)
• Steam engine developer James (WATT with 4 letters)