fits model: Efi. make: Chevy.

( Brand: Speedway Motors ), ( Manufacturer Part Number: 91607036 ), ( Engine Size: 323 Cu. In. ), ( Type: Crate Engines )
The Speedway Motors ATK LS Conversion Engine EFI Kit (part number 91607036) is a comprehensive solution for upgrading your LS-swap project with electronic fuel injection (EFI) for Chevy engines, specifically the LS6 5.3L V8 engine that produces approximately 475 horsepower. This kit is designed to offer exceptional performance, reliability, and ease of installation, making it an ideal choice for enthusiasts seeking a high-powered, modern fuel delivery system for their classic or late-model muscle car.
At the heart of this kit is a Holley EFI system, renowned for its advanced modeling capabilities, superior throttle response, and user-friendly setup. The kit includes the essential components required for an LS swap alongside a Holley EFI system, namely the fuel pressure regulator, water temperature sensor, oil pressure sensor, map and ID sensors (intake air temperature and manifold absolute pressure), and harness. Additionally, this setup offers flexibility with both MSD-6AL and OEM style distributor applications.
The fuel system encompasses a 340 lph (90 gph) Holley fuel pump compatible with both gas and E85 fuel delivery, ensuring compatibility for a wide range of applications and power requirements. Extensive compatibility is further demonstrated by the inclusion of both 1-wire and 3-wire wideband O2 sensors in the kit, allowing users to fine-tune their engine at multiple engine speeds for optimal performance.
Installation is made simple with well-organized wiring harnesses and a user-friendly Holley EFI VT3X harness interface. The easily mountable 100mm MAF sensor and simple calibration procedure streamline the setup process, making it straightforward even for those with limited experience. Furthermore, the clear documentation and access to Holley's technical support allow users to navigate any potential hurdles during their installation process.
This ATK LS Conversion Engine EFI Kit is not only designed for impressive performance gains but also delivers improved drivability and operational efficiency. With its precise fuel delivery, high-tech sensors, and user-friendly EFI setup, this kit is the perfect combination of performance and convenience for LS6 5.3L 475hp Chevy engine swaps.
TheSpeedway Motors 91607036 Atk LS Conversion Engine EFI Kit for the 5.3L Chevrolet LS engine is a popular aftermarket solution for those looking to boost the performance of their vehicles. below are some potential pros and cons of buying this kit:
Pros:1. Increased power output: This kit can help increase the horsepower of your 5.3L Chevy engine from the stock 285 hp to around 475 hp.
2. Fuel efficiency: The EFI system in this kit can help improve fuel economy by delivering only the necessary fuel to the engine at any given time.
3. Improved throttle response: The electronic fuel injection system can provide quicker and smoother throttle response, making your vehicle more responsive to driver input.
4. Easy installation: The kit comes with a step-by-step installation guide, making it relatively easy for experienced DIYers to install.
5. Flexibility: The LS engine platform is widely supported in the aftermarket, which means that there are numerous performance upgrades available for further customization.
Cons:1. Cost: The cost of this kit is considerably higher than a stock replacement engine. The price tag can be a significant investment for some.
2. Complexity: Installing this kit requires some mechanical knowledge, experience, and tools. The installation process can be time-consuming for those who are not confident in their abilities.
3. Compatibility: Although the kit is designed for the 5.3L Chevy engine, there may be compatibility issues with certain vehicles or applications. It is essential to verify that the kit is compatible with your specific model before making a purchase.
4. Maintenance: The additional complexity of the EFI system can also lead to more frequent maintenance. It may require more effort and expense to maintain than a stock engine.
Conclusion:The Speedway Motors 91607036 Atk LS Conversion Engine EFI Kit for the 5.3L Chevrolet LS engine offers significant performance improvements, but it comes with a few trade-offs. The increased power output and improved fuel efficiency can provide a more enjoyable driving experience, but the cost and complexity of the installation may be a deterrent for some. Ultimately, whether or not this kit is worth it depends on your specific needs, goals, and technical abilities. If you are an experienced DIYer, enjoy working on cars, and are willing to invest in a high-performing engine, this kit could be an excellent choice for you. Alternatively, if you are looking for a more straightforward and cost-effective solution, you may want to consider other options.
Designed around the LS Muscle Car oil pan, these kits include most necessary parts for installation, including dipstick and tube, bolts, gaskets, pickup vintage tray. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required. No PC required for basic functionality. Calibration wizard only requires that you answer a few simple questions about your engine to create base map and begin self-tuning No laptop required.
NEW Cast-in fuel crossover from the primary to secondary rail. These features are in addition to the existing programmable step retard, launch retard and RPM rev limiters from its predecessor. Pistons: Hyper eutectic Flat Top. Forged one-piece steel ring gears.
Piston Rings: Molly Rings. Fully Sealed direct plugin connectors. Features double welded ring gears for added durability. Direct bolt on component.
Camshaft Bearings: Installed Clocked to OEM Position. This is a limited production an all-aluminum engine that known for its extra-thick cylinder sleeves. The combination of top quality and reasonable pricing sets new standards. NEW Main harness includes plug-and-play Hyper Spark distributor support, for integrated timing control, making your ignition setup hassle free.
Oil Galley Plugs: Installed Sealed. Of torque, All-aluminum engine is known for its extra-thick cylinder sleeves, Cast aluminum dual plane intake mounted Holley EFI carburetor replacement system with throttle body ECU, MSD LS ignition provides six reprogrammed timing tables easy set-up and a rotary selector switch allows changes on the fly, This kit brings together components from some of our most trusted brands: EFI, MSD, ARP, Chevrolet Performance, Earl's, NGK, ATK Engines. Only four wiring connections required: Battery, Battery-, Switched Ignition, and RPM. Dial in the perfect tune for your LS using easily adjustable preset timing curves or hookup to computer and program a custom setup with our user friendly MSD View software.
GM has continued to refer its modern V-8 engine family as Gen III and IV, but the enthusiasts who quickly grasped tremendous performance potential of engines, every platform is nicknamed LS. This engine will come with the valve covers and timing cover. Launch and max rev limiters. Notorious and boost compatible.
Compatible with all MSD, Axle and GM LS coils. NEW Optional Power Distribution Module PDM further simplifies wiring, especially when used in conjunction with an ignition system. NEW Hidden Harness wiring harnesses exits from the rear of throttle body for a clean appearance. This cost-effective and optional accessory isolates the core of your EFI ignition wiring into one, easy-to-use location.
Camshaft: Hydraulic Roller. NEW Re designed injector connector for improved reliability. New features of the LS Ignition include; high speed data acquisition, an optional coolant temperature sensor input, idle timing control, as well individual cylinder. Patent Pending.
Part # 91607036 Condition New Brand Speedway Motors Sold Kit Details Info The engine family commonly called the LS series debuted in 1997. Make your classic drive like a modern fuel-injected vehicle, including easy cold starts, smooth provability, and improved fuel economy. Ring gears are precision welded to meet SFI specifications, utilizing robotic machinery and cold-welding process
Freeze Plugs: Brass Installed Sealed. LS Crate Engine, Chevy LH6 5.3L, 475HP/435TQ. Connecting Rods: OE GM. Included clamp-on oxygen sensor kit ensures a leak free installation with stainless steel T-Bolt clamps and weldable flange.
Constructed from cold-rolled premium steel. NEW Re designed throttle shaft and plate geometry for a smoother feel. This limited production 5.3L LS engine produces 475 horsepower and 435 ft-lb. Vapor Guard Fuel Hose, Pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return into the tank.
NEW Onboard contactless magnetic TPS sensor ensures an accurate reading. Simply slide the stripped wire ends under positive lock connector and tighten down set screw. Main Features.