No sandblaster? Check out Evapo-Rust for those gnarly old parts. This environmentally safe, water-based rust remover blasts away rust with no scrubbing. Could also be a good first step in rebuilding rusty old carburetors. Non-toxic, no fumes, biodegradable. Available at leading automotive and home improvement retailers in quarts, gallons, 5-gallon pails, 55-gallon drums and 275-gallon totes. Made in the U.S.