Question 1

What is the oil capacity of the LS6 engine?

Accepted Answer

The LS6 engine requires 6.4 quarts of oil with filter. Recommended viscosity: 5W-30.

Question 2

What oil viscosity does the LS6 engine use?

Accepted Answer

The LS6 engine uses 5W-30 engine oil as specified by the manufacturer.

Question 3

What is the coolant capacity of the LS6 engine?

Accepted Answer

The LS6 engine cooling system holds 12.6 quarts of coolant (full system capacity).

Oil Capacity	Viscosity	Coolant Capacity
6.4 qt	5W-30	12.6 qt
6.4 qt	5W-30	13.4 qt

Make	Model	Years
Cadillac	CTS	2005, 2004
Chevrolet	Corvette	2004, 2003, 2002, 2001

LS6 Oil Capacity

LS6 – Oil & Coolant Specifications