What are the specs of an LS4 engine?
LS4 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. These motors are capable of making a lot of horsepower, and respond well to upgrades like turbos, superchargers, high-flow cylinder heads, intake systems, cams, and nitrous oxide. The aftermarket is strong, crate engines are available,...
Can I upgrade the LS4 engine?
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. Even upgrading those components to make more power will result in issues with the steering and handling of the car.
What kind of engine does a GMC Sierra LS4 have?
The LS4 engine is a Gen. 4, 5.3L, aluminum small block engine used in GM cars between 2005 and 2009. It is unique because it was the only LS engine used in FWD vehicles. The LS4 had cathedral port cylinder heads and used Active Fuel Management (AFM).
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.
What is a LS4 engine?
Does the LS4 have a cathedral intake?
How much HP does a LS4 engine have?
The LS4 has an aluminum block and unique, low-profile front-end accessory system, including a "flattened" water pump, to accommodate the transverse mounting position within the Impala and Grand Prix. It is rated at 303 horsepower and 323 lb-ft of torque.
How much HP can a LS4 handle?
about 400 hpOther Upgrades 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. Even upgrading those components to make more power will result in issues with the steering and handling of the car.
Is the LS4 a big block?
The LS4 is an engine produced by General Motors for full-size vehicles. Displacing 5.3 liters in a V8 configuration, the LS4 is the only member of the Small Block engine family to be offered in a transverse configuration.
Is the LS4 a good engine?
The LS4 is a bad choice for an engine swap, but it can be improved when used in a FWD car or mid-engine kit car swap. Install a 160-degree thermostat before heading to the chassis dyno tuner as it will give them a wider tuning window.
What is an LS4 Chevy engine?
The LS4 engine is a Gen. 4, 5.3L, aluminum small block engine used in GM cars between 2005 and 2009. It is unique because it was the only LS engine used in FWD vehicles. The LS4 had cathedral port cylinder heads and used Active Fuel Management (AFM).
Is the LS4 FWD?
Dubbed the LS4, the front-drive version of the LS V8 displaced 5.3 liters, but unlike the 5.3 liter V8 used in GM trucks it featured an aluminum block along with cylinder heads shared with the LS6. It made 303 horsepower and 323 pound feet of torque.
Is an LS4 a Corvette engine?
Finally, in 1973, GM introduced the 454ci LS4 as an available engine option for the Corvette.
Which LS engine is best?
LS7: Best. LS Engine. Ever. In a world with 650hp Camaro ZL1s, along with even more powerful Hellcats and Shelby Mustangs, it's easy to forget the influence and importance of the LS7-powered Corvette Z06. Before it, there were precious few production cars that boasted horsepower levels of 500 or greater.
Will an LS4 bolt up to a 4l60e?
The second problem is the LS4 has a specific bolt pattern for the 4T65 transmission and will not bolt up to a 4l60e, 4l80e, TH400, etc.
How long will an LS4 engine last?
The harsh reality is that the LS4 model transmissions only average about 60-80K miles, though we do have several customers that are around the 100K mile mark but not without issues.
What size motor is a LS4?
4, 5.3L, Aluminum Block, Car Engines. The LS4 was used in GM cars between 2005-09. It is unique because it was the only LS engine used in FWD vehicles.
How much HP can a 5.3 LS make?
The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque.
How much HP can a FWD car handle?
About 250 or so before a self-steering situation on hard acceleration can kick in caused by having the two front driven axles of equal length, which is more often the case than not.
Which LS engine is best?
LS7: Best. LS Engine. Ever. In a world with 650hp Camaro ZL1s, along with even more powerful Hellcats and Shelby Mustangs, it's easy to forget the influence and importance of the LS7-powered Corvette Z06. Before it, there were precious few production cars that boasted horsepower levels of 500 or greater.
What does a LS4 weigh?
The standalone engine weight of the LS4 is reported at 478 lb, exclusive of any accessory pumps.
How much HP does an LS3 have?
The LS3 delivers a stunning 495 horsepower and 473 lb. -ft. of torque. That's nearly 14 percent more power and torque.
Why is the LS engine unique?
It is unique because it was the only LS engine used in FWD vehicles. To make this engine work, GM made several modifications to the engine: The engine was mounted in a transverse position, using unique motor mounts. The intake manifold was smaller than other LS manifolds and reversed, placing the throttle body placed over the flexplate.
Is the intake manifold smaller than the throttle body?
The intake manifold was smaller than other LS manifolds and reversed, placing the throttle body placed over the flexplate.
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What is 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: A Cold Air Intake Kit. An Aftermarket Exhaust. A Computer Programmer.
How small is the throttle body on a 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. However, they restrict the engine's ability to breathe.
Can an LS4 be swapped?
It is also not a good candidate for an engine swap, unless you are willing to do a lot of custom fabrication.
Can an AFM disabler be used on an LS6?
When upgrading the camshaft, an AFM Delete Kit is strongly recommended. These kits replace all the AFM components with standard parts. It also becomes easier to fit an LS6 intake manifold.
What is a LS4 engine?
The LS4 engine is a Gen. 4, 5.3L, aluminum small block engine used in GM cars between 2005 and 2009. It is unique because it was the only LS engine used in FWD vehicles. 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.
Does the LS4 have a cathedral intake?
Intake Port Shape. LS4. No. Yes. No. Cathedral. To make this engine work, GM made several modifications to the engine: The engine was mounted in a transverse position, using unique motor mounts. The intake manifold was smaller than other LS manifolds and reversed, placing the throttle body over the flexplate.
