MACK
TRUCK ENGINE
TUNE-UP
SPECIFICATIONS
INCLUDES 
E-TECH
CCRS ENGINES
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Advisory Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Service Procedures and Tool Usage . . . . . . . . . . . . . . . . . . . . . . . 
EXPLANATION OF THREE-DIGIT NUMERICAL CODE . . . . . . . . . . 
CONVERSION CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
VISUAL IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
ENGINE INFORMATION PLATE LOCATION . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS and CCRS Engine Identification . . . . . . . . . 
ENGINE INFORMATION PLATE EXPLANATION . . . . . . . . . . . . . . . 
DESCRIPTION AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
WASTEGATE TURBOCHARGER DESCRIPTION AND OPERATION 
Diaphragm-Controlled Wastegate . . . . . . . . . . . . . . . . . . . . . . . . . 
Barometric and Boost Pressure Sensors . . . . . . . . . . . . . . . . . . . . 
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
FUEL INJECTION NOZZLE TESTING . . . . . . . . . . . . . . . . . . . . . . . . 
Testing the One-Way Check Valve (Pre-CCRS Nozzle Assemblies
WASTEGATE TURBOCHARGER TROUBLESHOOTING . . . . . . . . . 
Wastegate Diagnostics and Fault Activation . . . . . . . . . . . . . . . . . 
Wastegate Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
REPAIR INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
FUEL INJECTION NOZZLE INSPECTION AND CLEANING . . . . . . . 
Disassembly and Inspection of Nozzle Holder and Nozzle . . . . . . 
Injection Nozzle Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Nozzle Cleaning (Ultrasonic Method Preferred) . . . . . . . . . . . . . . 
Mechanical Method (Alternate) . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Nozzle Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
ENGINE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
E-TECH (V-MAC III) SIX CYLINDER ENGINE SPECIFICATIONS . 
E-Tech EM7-275 Engine Specifications . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS EM7-275 Engine Performance . . . . . . . . . . 
E-Tech CCRS EM7-275 Engine Performance . . . . . . . . . . . . . . 
E-Tech EM7-300 Engine Specifications . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS EM7-300 Engine Performance . . . . . . . . . . 
E-Tech CCRS EM7-300 Engine Performance . . . . . . . . . . . . . . 
E-Tech E7-300 Engine Specifications . . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-300 Engine Performance . . . . . . . . . . . . 
E-Tech CCRS E7-300 Engine Performance . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-300A Engine Specifications . . . . . . . . . . 
E-Tech Pre-CCRS E7-300A Engine Performance . . . . . . . . . . . 
E-Tech E7-310/330 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-310/330 Engine Performance . . . . . . . . 
E-Tech CCRS E7-310/330 Engine Performance . . . . . . . . . . . . 
E-Tech E7-330/350 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-330/350 Engine Performance . . . . . . . . 
E-Tech CCRS E7-330/350 Engine Performance . . . . . . . . . . . . 
E-Tech E7-355/380 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-355/380 Engine Performance . . . . . . . . 
E-Tech CCRS E7-355/380 Engine Performance
E-Tech CCRS E7-380/410 Engine Specification
E-Tech CCRS E7-380/410 Engine Performance
E-Tech E7-350 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-350 Engine Performance
E-Tech CCRS E7-350 Engine Performance . .
E-Tech E7-400 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-400 Engine Performance
E-Tech CCRS E7-400 Engine Performance . .
E-Tech E7-427 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-427 Engine Performance
E-Tech CCRS E7-427 Engine Performance . .
E-Tech Pre-CCRS E7-460 Engine Specification
E-Tech Pre-CCRS E7-460 Engine Performance
E-Tech CCRS E7-460P Engine Specifications 
E-Tech CCRS E7-460P Engine Performance .
E-Tech CCRS E7-460E Engine Specifications 
E-Tech CCRS E7-460E Engine Performance .
             
            
            
                MACK
TRUCK ENGINE
TUNE-UP
SPECIFICATIONS
INCLUDES 
E-TECH
CCRS ENGINES
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Advisory Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Service Procedures and Tool Usage . . . . . . . . . . . . . . . . . . . . . . . 
EXPLANATION OF THREE-DIGIT NUMERICAL CODE . . . . . . . . . . 
CONVERSION CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
VISUAL IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
ENGINE INFORMATION PLATE LOCATION . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS and CCRS Engine Identification . . . . . . . . . 
ENGINE INFORMATION PLATE EXPLANATION . . . . . . . . . . . . . . . 
DESCRIPTION AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
WASTEGATE TURBOCHARGER DESCRIPTION AND OPERATION 
Diaphragm-Controlled Wastegate . . . . . . . . . . . . . . . . . . . . . . . . . 
Barometric and Boost Pressure Sensors . . . . . . . . . . . . . . . . . . . . 
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
FUEL INJECTION NOZZLE TESTING . . . . . . . . . . . . . . . . . . . . . . . . 
Testing the One-Way Check Valve (Pre-CCRS Nozzle Assemblies
WASTEGATE TURBOCHARGER TROUBLESHOOTING . . . . . . . . . 
Wastegate Diagnostics and Fault Activation . . . . . . . . . . . . . . . . . 
Wastegate Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
REPAIR INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
FUEL INJECTION NOZZLE INSPECTION AND CLEANING . . . . . . . 
Disassembly and Inspection of Nozzle Holder and Nozzle . . . . . . 
Injection Nozzle Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Nozzle Cleaning (Ultrasonic Method Preferred) . . . . . . . . . . . . . . 
Mechanical Method (Alternate) . . . . . . . . . . . . . . . . . . . . . . . . . . . 
Nozzle Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
ENGINE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
E-TECH (V-MAC III) SIX CYLINDER ENGINE SPECIFICATIONS . 
E-Tech EM7-275 Engine Specifications . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS EM7-275 Engine Performance . . . . . . . . . . 
E-Tech CCRS EM7-275 Engine Performance . . . . . . . . . . . . . . 
E-Tech EM7-300 Engine Specifications . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS EM7-300 Engine Performance . . . . . . . . . . 
E-Tech CCRS EM7-300 Engine Performance . . . . . . . . . . . . . . 
E-Tech E7-300 Engine Specifications . . . . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-300 Engine Performance . . . . . . . . . . . . 
E-Tech CCRS E7-300 Engine Performance . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-300A Engine Specifications . . . . . . . . . . 
E-Tech Pre-CCRS E7-300A Engine Performance . . . . . . . . . . . 
E-Tech E7-310/330 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-310/330 Engine Performance . . . . . . . . 
E-Tech CCRS E7-310/330 Engine Performance . . . . . . . . . . . . 
E-Tech E7-330/350 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-330/350 Engine Performance . . . . . . . . 
E-Tech CCRS E7-330/350 Engine Performance . . . . . . . . . . . . 
E-Tech E7-355/380 Engine Specifications . . . . . . . . . . . . . . . . . 
E-Tech Pre-CCRS E7-355/380 Engine Performance . . . . . . . . 
E-Tech CCRS E7-355/380 Engine Performance
E-Tech CCRS E7-380/410 Engine Specification
E-Tech CCRS E7-380/410 Engine Performance
E-Tech E7-350 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-350 Engine Performance
E-Tech CCRS E7-350 Engine Performance . .
E-Tech E7-400 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-400 Engine Performance
E-Tech CCRS E7-400 Engine Performance . .
E-Tech E7-427 Engine Specifications . . . . . . .
E-Tech Pre-CCRS E7-427 Engine Performance
E-Tech CCRS E7-427 Engine Performance . .
E-Tech Pre-CCRS E7-460 Engine Specification
E-Tech Pre-CCRS E7-460 Engine Performance
E-Tech CCRS E7-460P Engine Specifications 
E-Tech CCRS E7-460P Engine Performance .
E-Tech CCRS E7-460E Engine Specifications 
E-Tech CCRS E7-460E Engine Performance .