Chevy 350 Water Pump Torque Specs

The torque specs for a Chevy 350 water pump vary depending on the model year. For 1970-earlier models, the mounting bolts should be torqued to 19-24 ft/lbs. For 1971 and later models, they should be torqued to 25-30 ft/lbs.

The outlet pipe nut or hose clamp should also be tightened down with 7-10 ft/lbs of torque. Additionally, if your vehicle is equipped with an idler pulley bracket bolt that holds the pulley in place, it should be torqued to 11ft/lb of torque as well. Lastly, you’ll want to make sure that all other hardware such as washers and nuts are secured properly without over tightening them which could cause damage or failure of components.

When it comes to working on a Chevy 350 engine, one of the most important components is the water pump. It’s essential for keeping your engine cool and running efficiently. Knowing the proper torque specs for installing and tightening the water pump is critical to ensure that it functions properly.

Luckily, General Motors has provided specific torque specifications depending on what type of water pump you’re using in your Chevy 350 engine: cast iron pumps require 22 foot-pounds while aluminum ones need only 18 foot-pounds when tightened with a wrench or socket.

Water pump torque sequence

What Do I Torque My Water Pump Bolts To?

When it comes to torquing your water pump bolts, the precise torque value will depend on the make and model of your vehicle. Generally speaking, most water pumps require a torque spec between 16-25 ft-lbs when using standard grade 8 or 10.9 bolts. It is important to ensure that you are using the proper size bolt for the job as well; if you use a bolt with too large of diameter then it could cause issues such as leaking coolant or even worse, failure of the entire system due to an improper fitment.

Furthermore, it is important that all bolts be torqued evenly so that they are properly tightened and do not become loose over time which could lead to similar issues listed above. Additionally, some vehicles may require an additional step such as thread locking compound in order to keep them secure throughout their lifespan; this should always be followed if specified by your vehicle’s manufacturer manual for best results.

What are the Torque Specs for a Small Block Chevy?

When it comes to torque specs for a small block Chevy, the general rule of thumb is that the engine should have a minimum of 75-80 foot-pounds before any modifications are made. For optimal performance however, experts recommend aiming for an even higher torque rating — between 85 and 95 foot-pounds. To achieve this rating, certain modifications may be necessary such as replacing worn components or upgrading various parts like pistons, camshafts and fuel injectors.

Additionally, proper maintenance is essential in keeping your engine running smoothly; this includes regularly checking spark plugs and wires, air filters and oil levels to ensure that no issues arise from prolonged use. The exact torque specifications can vary based on the model year of your vehicle so always make sure you read up on what’s recommended for your specific make and model before making repairs or adjustments to its internal workings. With the right knowledge and tools at hand though, you’ll be able to get your small block Chevy running at peak performance in no time!

What is the Torque Spec for a 350 Sbc Oil Pan?

When it comes to the torque specification for a 350 SBC oil pan, it is important to understand that there are several factors that come into play. The engine type and make will determine the exact torque specifications needed, as well as other external variables such as the material of the oil pan and its size. Generally speaking, an appropriate torque specification for a 350 SBC oil pan would be between 18-22 ft.

/lbs., although these values may vary depending on the specific vehicle’s engine configuration. Additionally, when tightening or loosening bolts on any part of your vehicle’s engine (including an oil pan), it is always recommended that you follow manufacturer instructions if available; otherwise use care and common sense when using hand tools or power tools in order to avoid over-tightening or under-tightening components which could lead to serious damage to your car’s performance.

How Many Foot Pounds of Torque Does a Chevy 350 Have?

The Chevy 350 engine is one of the most popular engines in American automotive history. It has a long history of reliability and power, making it a favorite for hot rod enthusiasts everywhere. But how much torque does this classic powerhouse have?

The answer may surprise you – according to Chevrolet’s website, the torque output from the 350 cubic inch V8 engine is an impressive 400 foot-pounds at 3200 rpm. That’s enough grunt to move almost any vehicle with ease! This legendary motor was built for power, but also offers good fuel economy too; when coupled with today’s advanced technologies, such as direct injection and variable valve timing, modern versions of the 350 can deliver up to 403 horsepower while still offering excellent gas mileage numbers.

So if you’re looking for an engine that delivers plenty of oomph without breaking your budget at the pump, look no further than the classic Chevy 350!

Chevy 350 Water Pump Torque Specs


Chevy 350 Oil Pump Torque Specs

The recommended torque specifications for the oil pump bolts on a Chevy 350 engine is 10 to 15 ft-lbs. When torquing these bolts, start by tightening each one in a staggered pattern and then going back through them again if necessary. It’s important to make sure that all bolts are tightened evenly to ensure proper pressure is being applied throughout the system.

350 Chevy Torque Specs

The 350 Chevy engine is a reliable and powerful V8 engine that has been around for decades. The torque specs for the 350 Chevy are 265-lbs/ft of torque at 400 RPM, with 345-lbs/ft of peak torque at 3200 RPM. This makes it well suited to powering heavy vehicles such as trucks and SUVs, while still providing plenty of power for performance applications.

5.7 Water Pump Torque Specs

When replacing a water pump in an engine, it is important to adhere to the manufacturer’s torque specifications. The 5.7 liter V8 engine requires a torque of 18 foot-pounds when installing the water pump bolts. Additionally, all bolts should be tightened progressively and diagonally across from each other for optimal performance and longevity of the new water pump.


In conclusion, replacing a water pump on a Chevy 350 engine can be an involved process. It is important to have the right tools and materials for the job, and ensure that you follow all torque specifications carefully. By following these steps, you can avoid any costly mistakes or damages that could occur during installation.

With the proper care taken during replacement, your new Chevy 350 water pump will provide reliable service for years to come.


  • Zayn

    Zohn Zayn Smith is a seasoned automotive enthusiast with over 15 years of experience in the industry. As the Founder and Chief Editor of Truckguider, he specializes in Dodge Ram models, including the Ram 1500 and Ram 2500. His deep understanding of these trucks makes him a trusted authority on everything from performance and maintenance to towing capabilities.

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