Fuel pumps are prone to specific and somewhat unpreventable problems when dealing with old worn out vehicles like classic cars. For example, the fuel pump can be broken in as many as 30% of older cars. These pumps have a life of around 10 to 15 years, and older units can simply fail delivering the needed fuel pressure – typically about 4~7 psi for carbureted engines.
Reduced fuel flow is a common problem among clogs from old fuel. Residual contaminants easily collect in the tank, and 25 percent of all fuel system problems on classic cars are traced back to sediment. However, the risk of this is lessened by regular cleaning and fuel system maintenance.
Fuel pump seals — The gaskets and seals in a fuel pump can also deteriorate over time, causing fuel to leak. Aging materials! Running in to leaks from classic car 15% of the times due, as per acknowledged by owners on modelers. According to an expert in classic car restoration, "Serviceable seals that prevent fuel loss will always result in the best performance.
Another problem that classic cars have with mechanical fuel pumps is vapor lock. At higher temperatures, the fuel in your lines may vaporize turning into gas and cause stalling of the engines. According to reports, almost 20% of classic vehicles can experience problems with vapor lock in hot weather, which makes the car far less reliable.
Finally, the wrong fuel type will only make fuel pump issues worse. The authors note that many older cars (those designed for leaded gasoline) may experience issues with compatibility when modern unleaded fuels. Experts are careful to point out the importance of adding proper fuel additives not only to protect older fuel systems that can cause wear and tear on pumps.
To learn more about dependable fuel system parts, including the Fuel Pump and to gain tips on diagnosing and preventing these issues for classic car owners to be sure their rides are in top shape. Regular checks and knowledge of these issues will greatly improve the performance and longevity of your classic cars in all aspects.