Welcome to Heritage AutoTech

• ASE Test Prep Editorial

• Engine Oil Specifications
• Engine Coolant Specifications
• Transmission Fluid Specifications
• Clutch, Brake, Power Steering and Fuel Tank Specifications
• Differential Gear Oil Specifications

• Firing Order, Distributor Rotation and Timing Marks
• Spark Plug Specifications
• Ignition Timing Specifications
• Distributor Spark Advance Specifications
• Ignition Points and Coil Specifications

• Carburetor Specifications
• Fuel Pump Specifications
• Compression Pressure Specifications
• Idle Speed Specifications

• Alternator Specifications
• Battery Specifications
• Starter Specifications

• Engine Mechanical Specifications
• Engine Valve Specifications

• Oil and Filter Change Procedures
• Transmission Fluid Replacement Procedures