Hi everyone We taking off our engine lid insulation so the lid can be painted. It is in excellent condition but dirty, can anyone tell us how to clean it without causing any damage? Thanks in advance Sam & Marissa Andolino mandolin@rochester.rr.com 1965 Evening Orchid Monza Convertible 1963 Red Monza Convertible 1966 Marina Blue Corsa Turbo Coupe