Al and son

R model foot brake system

By Al and son, June 29, 2025 in Antique and Classic Mack Trucks General Discussion

1970 R model

By Al and son, May 29, 2025 in Antique and Classic Mack Trucks General Discussion

Question: 1970 R model

By Al and son, May 29, 2025 in Mack Truck Q & A

• Awaiting best answer

ECM Programing

By Al and son, January 23, 2019 in Modern Mack Truck General Discussion

Mystery leak

By Al and son, September 16, 2018 in Modern Mack Truck General Discussion

2004 Vision is a pain.

By Al and son, July 27, 2018 in Modern Mack Truck General Discussion

2004 E7 427

By Al and son, April 25, 2018 in Engine and Transmission

Heater fan wiring harness

By Al and son, February 12, 2018 in Electrical, Electronics and Lighting

R model door locks

By Al and son, June 7, 2017 in Antique and Classic Mack Trucks General Discussion