ATK HP89 Chevy 350 Base Engine 390HP

This is a highly efficient engine with 390 horsepower and 420 ft-lbs of torque; the ATK HP89 Chevy 350 Base Engine 390HPis a high-performance 350 cubic inch (5.7L) small block Chevy crate engine that is ideal for enthusiasts who are looking for a powerful engine which also performs effectively for street users.

Key Specifications:

Below mentioned is the major engine specification:

• To measure the compression ratio, it isabout how much the air-fuel mixture is compressed inside the cylinder before ignition.
• Camshaft’s main job is to control the engine’s opening and closing. It has a major impact on the engine’s operating efficiency and timing. Itis an essential part of an internal combustion engine. For this one the hydraulic roller is 220/224 @.050″, .528″/.536″ lift, 110° LSA t
• Cylinder head’s functionality and design are essential to the engine’s longevity and efficiency.
  They are an Interior Parts of combustion engine, which isplaced above the engine block and seals the cylinders. It contains the engine’s essential components, such as the valves, combustion chambers, and occasionally the camshafts
• To make sure that the valves open and close at the correct intervals for efficient engine operation rocker arms plays a vital role. It act as a mechanical link between the camshaft and the engine valves,
• Oil Pan acts as a storage space for engine oil, which is necessary for cooling, lubricating, and cleaning engine components. It is an important part of the lubrication system.

Recommended Components for Optimal Performance:

• Pioneer #FRA-159 Flex plate/Flywheel: Externally balanced
• Balancer: Power Bond #PB1046-N, internally balanced
• Distribution: HEI with iron gear
• Intake Manifold: ATK dual plane intake
• Quick Fuel 680 CFM carburetor with electric choke and vacuum secondary (#HR-680)Holley mechanical 110 GPH fuel pump (#12-327-11)
• Auto lite #3923 spark plugs, gapped at.035″
• 8mm spark plug wires
• 1 5/8″ diameter exhausts headers

Recommendations for operations:

There are following recommendations for engine operations:

• Oil: Wix or K&N oil filter
• Oil: conventional 10W30 (non-synthetic)
• Ignition timing: 34–36 degrees total advance
  Fuel: At least 91 octanes
• Stall converter: 2200–2800 RPM

This engine strikes a mix between power and drivability, making it appropriate for a range of street and performance applications. It’s crucial to confirm compatibility with your particular car because certain adjustments could be necessary. Furthermore, ATK has the right, if required, to replace engine parts.

Conclusion

This is all about the ATK HP89 Chevy 350 Base Engine 390HP features and functioning in brief. Hope the information shared regarding the key specifications, performance and engine operations is fruitful. If you need additional information you can speak with the customer support team.