The Chevrolet LSA engine is a 6.2L supercharged V8 from GM’s high-performance Gen IV lineup, famously used in the Cadillac CTS-V and other performance platforms. Built for extreme power output and durability, the LSA delivers massive horsepower and torque while maintaining factory reliability.
In this detailed guide, we cover LSA engine specs, horsepower, oil type, oil capacity, performance, reliability, price, and common problems to help enthusiasts understand this legendary supercharged V8.
LSA Engine Overview
The LSA is part of GM’s Gen IV small-block V8 family and is essentially a supercharged version of the LS3 architecture. It uses an Eaton TVS supercharger, strengthened internals, and improved cooling systems to handle high boost pressure reliably.
It was primarily designed for high-performance Cadillac CTS-V models and is known for delivering smooth, instant torque and excellent tuning potential.
LSA Engine Specifications
LSA Horsepower & Performance
- Stock output: 556 HP (CTS-V)
- Torque: 551 lb-ft+
- 0–60 mph: ~3.7–4.0 seconds (CTS-V)
- Top speed: 180+ mph (vehicle dependent)
LSA Engine Oil Type
The recommended oil for the LSA engine is high-quality synthetic oil designed for high heat and forced induction conditions.
Recommended Oil: SAE 5W-30 Full Synthetic (GM dexos approved) or performance-grade synthetic oil
LSA Oil Capacity
- With filter: ~6.0 quarts
- Dry engine fill: ~5.5–6 quarts
Oil Change Interval
- Normal driving: 5,000–7,500 miles
- Performance driving: 3,000–5,000 miles
- Track use: Every event recommended
LSA Engine Price
- Used engine: $6,000 – $12,000
- Rebuilt engine: $8,000 – $15,000
- Crate / performance build: $12,000 – $18,000+
Common LSA Engine Problems
Supercharger Wear
Over time, supercharger bearings and rotors may wear under high boost conditions.
Fuel Pump Stress
High-pressure fuel system components can experience heat-related wear.
Cooling System Load
Heat management is critical due to forced induction and high compression operation.
Is the LSA Engine Reliable?
Yes, the LSA engine is considered very reliable for a high-performance supercharged V8. However, long-term durability depends heavily on proper oil maintenance, cooling system health, and avoiding excessive boost modifications.
Vehicles Using LSA Engine
- Cadillac CTS-V (2009–2015)
- Cadillac XLR-V (limited applications)
- Performance LS swap builds
Frequently Asked Questions (FAQ)
What oil does an LSA engine use?
It uses SAE 5W-30 full synthetic oil meeting GM dexos standards.
How much horsepower does the LSA have?
It produces 556 horsepower in stock CTS-V configuration.
Is the LSA engine strong?
Yes, it is a very strong supercharged V8 with forged internal support for high performance.
What is the lifespan of an LSA engine?
With proper maintenance, it can exceed 150,000–200,000 miles or more.
Final Thoughts
The GM LSA engine is one of the most respected supercharged V8 engines ever produced, offering exceptional performance, strong reliability, and huge tuning potential when properly maintained.
Quick Summary
- Engine: 6.2L Supercharged V8
- Horsepower: 556 HP
- Torque: 551 lb-ft
- Oil Type: 5W-30 Synthetic
- Oil Capacity: ~6 Quarts