Hundreds of nuts found rotting away in air filter of woman 's Honda Civic . Nuts thought to have been scurried away by a squirrel in Gloucestershire . he took them from bird traps before squeezing into car and hiding them . Discovery came after he took car to race when it failed to reach 40 mph . Mechanic said he had ' never seen anything like it ' in his racing career .
Hundreds of nuts found stashed away in air filter of woman 's Honda Civic . Nuts thought to have been scurried away by a squirrel in Gloucestershire . Animal took them from bird table before squeezing into car and hiding nuts . Discovery came after owner took car to garage when it failed to go 40mph . Mechanic said he had 'never seen anything like it ' in his 18-year career .