How much horsepower can you get out of a LS4?
about 400 hp
The intake manifold limits the engine’s ability to breathe. The FWD driveline can really only handle about 400 hp. Even upgrading those components to make more power will result in issues with the steering and handling of the car.
How can I make my LS4 faster?
How to Get More Power From Your LS4
- A cold air intake kit.
- An aftermarket exhaust.
- A computer programmer.
- Install a 160-degree thermostat before heading to the chassis dyno tuner as it will give them a wider tuning window.
What cars had a LS4 engine?
Based on the fourth-generation architecture, the LS4 was used in full-size passenger cars, includng the Chevrolet Impala SS and Monte Carlo SS, Buick LaCrosse Super, and Pontiac Gran Prix GXP. Displacement: 5.3L / 325 cu. in.
What transmission does a LS4 have?
four-speed automatic transmission
The LS4 came mated exclusively to a four-speed automatic transmission and featured displacement on demand for improved fuel economy.
What heads are on a LS4?
The LS4 had cathedral port cylinder heads and used Active Fuel Management (AFM). The engine was not Flex Fuel (E85) capable and did not use Variable Valve Timing (VVT) technology.
What heads are on LS4?
Is a LS4 a Corvette motor?
Finally, in 1973, GM introduced the 454ci LS4 as an available engine option for the Corvette. Rated at 270 HP, the LS4 was a far cry from the L88 of less than a decade prior, yet impressive nonetheless, when compared to other manufacturer’s offerings of the era.
What does an LS4 weigh?
The standalone engine weight of the LS4 is reported at 478 lb, exclusive of any accessory pumps.
Did Chevy make a Hemi motor?
Chevrolet 302ci Small-Block Hemi You didn’t know Chevrolet built small-block hemi V-8s in 1969? At the time, racing in SCCA’s premier Trans Am series was a prestigious thing, and winning was even better.
How much hp can a stock 5.3 block handle?
If we were to run the 5.3L in stock trim, the resulting power output would be around 360 hp (on this dyno, the way we test).
What does LS stand for on a motor?
luxury sport
In a car engine, LS stands for luxury sport, meaning it is majorly used in high-end cars that offer great performance like the Chevrolet. In a Chevy, the LS engine is the main V8 mainly used in General Motors’ line of rear-wheel-drive cars.
What is an LS4 engine?
The LS4 is very unique in the LS family of engines. It was only used in front wheel drive (FWD) cars. On a stock engine, the following upgrades can improve performance and fuel economy: Engineers had to make a lot of compromises to get an LS engine to fit sideways in a FWD engine bay.
What kind of parts does Chevrolet sell for performance?
Engine blocks, engines, transmissions, Connect & Cruise systems and other Chevrolet Performance parts are designed, engineered, and tested by Chevrolet. Our engines, transmissions, and components are non-service replacement parts.
Are there any aftermarket heads for the LS4?
There are a few Aftermarket Heads available. The heads will flow better than stock and have thicker decks to maintain head gasket seal. Other, more involved upgrades to the LS4 are really not practical. The intake manifold limits the engine’s ability to breathe. The FWD driveline can really only handle about 400 hp.
How big is the throttle body on an LS4?
The LS4 has a small 76mm throttle body. It also has a smaller intake manifold than other LS engines. The smaller units are needed to clear everything else under the hood.