ESTATE SALE Cadillac EFI V8-6-4 | Will it RUN AND DRIVE 500 miles after 12 years?

Vice Grip Garage

Vice Grip Garage

140 min, 59 sec

An attempt to revive a 1981 Cadillac that hasn't run for over a decade.

Summary

  • A man tries to revive a 1981 Cadillac he bought sight unseen from an estate sale, which hasn't run in over a decade.
  • The vehicle has a one-year-only engine with an infamous modulated displacement system that the man is unfamiliar with.
  • He replaces the fuel tank and pump, finds and replaces the oil pressure sensor, and battles with a computer that seems to be malfunctioning.
  • Despite efforts, the car runs but has issues with idling and the transmission not engaging, leading to the conclusion that it needs a new computer or a carb swap.

Chapter 1

Introduction to the 1981 Cadillac Challenge

0:00 - 57 sec

The challenge of reviving a 1981 Cadillac begins.

The challenge of reviving a 1981 Cadillac begins.

  • The man has bought a 1981 Cadillac from an estate sale and plans to revive it and drive it home.
  • He explains the car has not run for over a decade and has a one-year-only engine with a complex modulated displacement system.

Chapter 2

Initial Car Assessment and History

1:12 - 6 min, 48 sec

Assessing the Cadillac's condition and discussing its history.

Assessing the Cadillac's condition and discussing its history.

  • The man gives a history of the 1981 Cadillac, mentioning the infamous V8-6-4 engine and its issues, leading to its discontinuation.
  • He assesses the car's body, noting its good condition despite some damage and missing fuel tank.

Chapter 3

Engine Inspection and Attempt to Start

8:04 - 54 sec

Inspecting the engine and making the first attempt to start the Cadillac.

Inspecting the engine and making the first attempt to start the Cadillac.

  • The engine is inspected for potential issues, finding it mostly intact but with signs of moisture.
  • An attempt to start the car is made after adding fuel directly to the throttle body, with the engine running briefly.

Chapter 4

Fuel System Overhaul

8:58 - 8 min, 6 sec

Overhauling the Cadillac's fuel system.

Overhauling the Cadillac's fuel system.

  • The fuel tank is missing, so a new one along with a new fuel pump assembly is installed.
  • Test starts are performed to ensure the engine runs properly before and after the fuel system overhaul.

Chapter 5

Oil Change and Further Inspection

17:04 - 10 min, 48 sec

Changing the oil and conducting further inspections.

Changing the oil and conducting further inspections.

  • An oil change is performed, and the transmission and brakes are checked.
  • Further testing of the ignition, fuel injection, and computer system are conducted to troubleshoot running issues.

Chapter 6

Exhaust System Issues

27:51 - 7 min, 42 sec

Addressing issues with the Cadillac's exhaust system.

Addressing issues with the Cadillac's exhaust system.

  • The muffler is found to be plugged and is removed, along with part of the catalytic converter.
  • Attempts are made to start the engine with the exhaust system opened up.

Chapter 7

Final Attempts to Resolve Issues

35:33 - 105 min, 24 sec

Final attempts are made to resolve the Cadillac's running issues.

Final attempts are made to resolve the Cadillac's running issues.

  • The man tries to resolve the idle surging and the transmission not engaging.
  • A new alternator is installed and the brakes are bled, but the car continues to have issues with the computer controlling the fuel mixture.