How to Install a Camshaft on a Chevy 350

To install a camshaft on a Chevy 350, first, remove the valve covers and rocker arms, then loosen the camshaft bolt and slide out the old camshaft. Now onto the introduction… Installing a camshaft on a Chevy 350 engine is a fairly straightforward process that can greatly enhance the engine’s performance.

The camshaft plays a crucial role in controlling the engine’s valves, which in turn affects the combustion process. By replacing the old camshaft with a new one, you can improve the engine’s power, torque, and overall efficiency. Whether you are a seasoned car enthusiast or a beginner, this guide will provide you with step-by-step instructions on how to successfully install a camshaft on a Chevy 350.

So let’s dive in and get your engine running smoother and stronger than ever before.

Table of Contents

Factors To Consider When Selecting A Camshaft

When installing a camshaft on a Chevy 350 engine, it’s important to carefully consider various factors that will impact the performance and overall driving experience. With so many options available in the market, choosing the right camshaft can make a significant difference in the horsepower, torque, and overall engine response. In this section, we will explore the three key factors that should be taken into consideration when selecting a camshaft: engine specifications, intended use of the vehicle, and performance goals.

Engine Specifications

One of the first things you need to consider when choosing a camshaft for your Chevy 350 is the engine specifications. The camshaft plays a crucial role in coordinating the opening and closing of the engine valves. To ensure optimal performance, it is essential to select a camshaft that is compatible with your engine’s specifications. These specifications include the engine’s displacement, compression ratio, fuel delivery system, and cylinder head design. Refer to your vehicle’s manual or consult with a professional to gather accurate information about your engine’s specifications.

Intended Use of the Vehicle

The second factor to consider is the intended use of your vehicle. Are you planning to use your Chevy 350 for daily commuting, off-road adventures, street racing, or as a high-performance muscle car? Each of these use cases requires a different type of camshaft. For example, if you’re using your vehicle for daily commuting, you may want a camshaft that focuses on improving low-end torque and fuel efficiency. On the other hand, if you’re building a high-performance muscle car, you’ll want a camshaft that delivers maximum power and high RPM performance. Understanding your vehicle’s intended use will help you choose the right camshaft that suits your driving needs.

Performance Goals

Lastly, you need to determine your performance goals when selecting a camshaft. Are you looking to increase horsepower, torque, or a combination of both? Different camshaft designs offer various power characteristics, such as more power at low RPMs or increased power at high RPMs. Consider the specific performance goals you have in mind for your vehicle and select a camshaft accordingly. It’s essential to strike a balance between the performance gains you’re aiming for and the driveability of your vehicle.

By considering these factors – engine specifications, intended use of the vehicle, and performance goals – you can make an informed decision when selecting a camshaft for your Chevy 350. Remember to consult with experts or professionals in the field to ensure you choose the correct camshaft that will help you achieve your desired performance.

Gather The Required Tools And Equipment

Installing a camshaft on a Chevy 350 engine is a great way to enhance its performance and power. With the right tools and equipment, you can handle this project with confidence. In this section, we will guide you through gathering the necessary tools and equipment for the installation process.

List of necessary tools

To ensure a smooth and successful camshaft installation, it is crucial to have the following tools at your disposal:

Tool	Description
Wrench set	A set of wrenches in various sizes will come in handy for loosening and tightening bolts.
Torque wrench	A torque wrench is essential for tightening bolts to the manufacturer’s specifications.
Ratchet and socket set	A ratchet and socket set will help you easily remove and install bolts and nuts.
Camshaft installation tool	This specialized tool is designed to install the camshaft correctly and prevent damage.
Pry bar	A sturdy pry bar will assist in removing parts that may be stuck or difficult to loosen.
Gasket scraper	This tool will be useful for removing any old gasket material from the engine block.
Engine assembly lube	Applying engine assembly lube is crucial to prevent wear and ensure proper lubrication.
Camshaft locking plate	This tool will secure the camshaft in place while you perform other necessary tasks.

Safety precautions

Prior to beginning the camshaft installation, it is essential to take the following safety precautions:

Make sure the engine is cool to prevent burns.
Disconnect the battery to avoid any unintentional electrical hazards.
Wear safety goggles and gloves to protect your eyes and hands from debris and chemical substances.
Work in a well-ventilated area to avoid inhaling harmful fumes.

By following these necessary safety precautions and gathering the right tools and equipment, you are now ready to move on to the next steps of installing a camshaft on your Chevy 350 engine.

Removing The Old Camshaft

Removing the old camshaft is a crucial step when it comes to installing a new one on your Chevy 350 engine. In this section, we will cover the necessary steps to remove the old camshaft properly. Pay close attention to each step to ensure a smooth process.

Draining the Coolant and Removing the Radiator

Before you can access the camshaft, it’s essential to drain the coolant and remove the radiator. This is necessary to prevent any potential damage or contamination to your engine during the removal process. Follow these steps to complete this task:

Place a drain pan underneath the radiator drain valve to catch the coolant.
Open the radiator drain valve to let the coolant flow into the drain pan.
Once the coolant has fully drained, close the drain valve securely.
Disconnect the hoses connected to the radiator using the appropriate tools.
Remove the mounting bolts holding the radiator in place and carefully lift it out of the engine compartment.

Accessing the Timing Cover and Removing It

The next step in removing the old camshaft is to access the timing cover and remove it. The timing cover protects the timing chain and camshaft, so it must be removed to gain access. Follow these steps carefully:

Locate the timing cover on the front of the engine block.
Use a wrench or socket set to remove the bolts securing the timing cover in place.
Once all the bolts are removed, carefully pry the timing cover away from the engine block using a pry bar or a flat-head screwdriver.
Inspect the timing cover for any signs of damage or wear. If necessary, replace it with a new one before proceeding further.

Removing the Timing Chain

With the timing cover removed, you can now focus on removing the timing chain. This step is crucial as it allows you to access the camshaft directly. Follow these steps to remove the timing chain:

Inspect the timing chain for any visible damage or signs of wear. If the chain shows significant wear, it’s recommended to replace it along with the camshaft.
Use a breaker bar or ratchet to rotate the engine in the correct direction until the camshaft’s lobes are positioned at their lowest point.
Once the lobes are at their lowest point, locate the timing chain tensioner and remove it using the appropriate tools. This will release the tension on the timing chain.
With the tensioner removed, carefully slide the timing chain off the camshaft sprocket and crankshaft sprocket.

With the timing chain removed, you can now proceed to the next steps of installing the new camshaft on your Chevy 350. Ensure that you keep track of all the parts and follow the manufacturer’s instructions for a successful installation.

Inspecting And Cleaning The Engine Components

Inspecting and Cleaning the Engine Components

Before installing a camshaft on a Chevy 350 engine, it is essential to pay close attention to the condition of several key components. Inspecting the lifters, pushrods, and other engine parts ensures a smooth installation process and optimal performance of the engine. Additionally, cleaning the engine surfaces removes any dirt, debris, or old gasket material, providing a clean and reliable foundation for your new camshaft. In this section, we will go through the steps required to inspect and clean these engine components, ensuring a successful installation.

Inspecting the lifters, pushrods, and other components

The first step in inspecting the engine components is to remove the valve covers and carefully examine the lifters. Look for any signs of wear, pitting, or unusual movement that may indicate a need for replacement. It is also essential to check the pushrods for straightness and any signs of damage or excessive wear. Pay attention to any bent or cracked pushrods, as these should be replaced immediately.

Furthermore, inspect other engine components such as the rocker arms, valve springs, and retainers. Check for any signs of excessive wear, corrosion, or damage. Replace any components that show signs of wear or damage to ensure optimal engine performance.

Cleaning the engine surfaces

Properly cleaning the engine surfaces is crucial for a successful camshaft installation. Start by removing any old gasket material using a gasket scraper or a suitable tool. Take care not to scratch or damage the engine surfaces while doing this. Once the old gasket material is removed, clean the engine surfaces using a degreaser or a solvent that is safe for use on engine components.

Pay close attention to areas where the camshaft and lifters come into contact with the engine surfaces. Ensure there is no debris or dirt that could interfere with the proper functioning of these components. Use a lint-free cloth or compressed air to clean these areas thoroughly.

Lastly, inspect the camshaft bearings for any signs of wear or damage. If necessary, replace the bearings to ensure smooth camshaft operation.

By diligently inspecting and cleaning the engine components, you are setting the stage for a successful camshaft installation. These steps not only contribute to optimal engine performance but also help prolong the lifespan of your Chevy 350 engine. With the engine components in good condition and the surfaces clean, you can move forward with confidence to the next step of installing the camshaft.

Lubricating The Camshaft And Bearings

Lubricating the camshaft and bearings is a crucial step in the installation process of a Chevy 350 camshaft. Proper lubrication ensures smooth operation and longevity of the engine components. In this section, we will discuss the importance of choosing the right lubricant and provide a step-by-step guide to properly lubricating the camshaft and bearings.

Choosing the right lubricant

When it comes to choosing the right lubricant for your camshaft and bearings, it is essential to use a high-quality engine assembly lube. This specialized lubricant is specifically designed to provide the necessary protection for the camshaft and bearings during the initial startup.

Engine assembly lube is formulated with the right viscosity and additives to prevent metal-to-metal contact and reduce friction. It adheres well to the metal surfaces, even at high temperatures and pressures, ensuring proper lubrication during the critical startup phase.

Properly lubricating the camshaft and bearings

The following step-by-step guide will help you properly lubricate the camshaft and bearings:

Ensure that the engine block and camshaft bearings are clean and free from any debris or contaminants. Use a lint-free cloth or brake cleaner to wipe away any dirt or residue.
Apply a thin layer of engine assembly lube to the camshaft lobes. Pay special attention to the contacting surfaces that interact with the lifters or followers. This will ensure proper lubrication and minimize wear during initial startup.
Next, generously coat the camshaft bearings with the assembly lube. Use a bearing lube applicator or your finger to evenly distribute the lubricant on the bearing surfaces.
If your camshaft has a distributor drive gear, apply a small amount of assembly lube to the gear teeth. This will provide lubrication during the meshing process with the distributor drive shaft.
Once the camshaft and bearings are properly lubricated, carefully install the camshaft into the engine block. Ensure that it is properly aligned with the bearings and slides smoothly into place.
Rotate the camshaft slowly to distribute the assembly lube evenly across all the cam lobes and bearing surfaces.

Properly lubricating the camshaft and bearings is essential for the longevity and performance of your Chevy 350 engine. Taking the time to choose the right lubricant and following the correct lubrication procedures will go a long way in ensuring smooth operation and preventing premature wear and damage to the camshaft and bearings.

Installing The Camshaft And Timing Chain

Aligning the Timing Marks

Before installing the new camshaft and timing chain on your Chevy 350, it is important to align the timing marks properly. This step ensures that the engine’s valves and pistons are synchronized, preventing any potential damage or poor performance.

To align the timing marks, follow these steps:

Rotate the engine’s crankshaft until the timing marks on the timing cover and the harmonic balancer line up. This sets the engine to Top Dead Center (TDC) on the compression stroke. Use a timing mark tab or a timing light to assist in visualizing the alignment.
Locate the timing marks on the camshaft and crankshaft gears. These marks are usually small notches or lines.
Align the timing marks on both gears by ensuring that they are facing each other and perfectly aligned. This positions the camshaft and crankshaft in the correct timing relationship.

Installing the New Camshaft and Gears

Once the timing marks are aligned, you can proceed with installing the new camshaft and gears. This process requires careful attention to detail to ensure proper installation and optimal engine performance.

Here’s a step-by-step guide to installing the new camshaft and gears:

Apply a small amount of engine assembly lubricant or assembly paste to all camshaft lobes, bearings, and journals to reduce friction during initial start-up.
Gently slide the camshaft into the engine block, making sure to align the camshaft with the corresponding bearings.
Install the camshaft gear onto the front end of the camshaft, aligning it with the timing mark on the crankshaft gear.
Tighten the camshaft gear bolt to the manufacturer’s specifications, ensuring that it is secure.
If the timing chain has been replaced, thread it carefully through the gears, ensuring it sits correctly on the camshaft and crankshaft gears.
Double-check the alignment of the timing marks to ensure everything is in the correct position.
Rotate the engine manually to ensure smooth rotation and proper tooth engagement between the camshaft and crankshaft gears.

Once the new camshaft and gears are installed and properly aligned, you can proceed with the remaining steps of assembling your Chevy 350 engine. Proper installation of the camshaft and timing chain is crucial for optimal engine performance, so take the time to ensure everything is aligned correctly before moving forward.

Checking Valve Timing

Using a Degree Wheel and Dial Indicator

One crucial step in installing a camshaft on a Chevy 350 is checking valve timing. This ensures that the valves open and close at the proper intervals, maximizing engine performance. To do this, you will need a degree wheel and a dial indicator.

Start by removing the spark plugs and rotating the engine to Top Dead Center (TDC) of the compression stroke. This can be done by turning the crankshaft pulley until the TDC mark aligns with the pointer on the engine block.
Next, attach the degree wheel to the front of the crankshaft. Make sure it is securely fastened and aligned with the pointer.
Install the dial indicator onto the cylinder head, positioning the plunger against the end of the valve stem.
Gently rotate the engine in the normal direction of rotation while watching the dial indicator. Take note of the maximum lift point on the dial indicator reading.
Continue rotating the engine until the valve closes, and again note the reading on the dial indicator. This will determine the number of degrees of valve overlap.

Adjusting the Timing if Necessary

Once you have checked the valve timing, you may need to make adjustments to ensure optimum performance.

If the valve events occur too early or too late, you can adjust the camshaft position by using a timing chain set with multiple keyway options. This allows you to advance or retard the camshaft timing.
To advance the timing, move the camshaft sprocket to an earlier keyway position. This means the intake and exhaust valves will open and close sooner.
To retard the timing, move the camshaft sprocket to a later keyway position. This delays the opening and closing of the valves.
After making the necessary adjustments, recheck the valve timing using the degree wheel and dial indicator method.

By carefully checking valve timing and making adjustments if necessary, you can ensure that your Chevy 350 engine operates at its best potential. Remember to take your time and follow the manufacturer’s instructions for your specific camshaft and engine setup.

Reinstalling The Timing Cover And Chain

Once you have successfully removed the timing cover and chain on your Chevy 350, it is time to reinstall them. This is a critical step in the camshaft installation process, as the timing cover and chain ensure proper alignment and timing of the engine. Follow the steps below to reinstall the timing cover and chain correctly.

Ensuring proper alignment

Before you start reinstalling the timing cover and chain, it is crucial to ensure proper alignment. This will help prevent any timing issues and ensure the smooth operation of your Chevy 350 engine. Here are the steps to follow:

Inspect the mating surfaces of the engine block and timing cover to ensure they are clean and free of debris or old gasket material.
Apply a thin layer of gasket sealer to the engine block mating surface. This will help create a tight seal and prevent any oil leaks.
Position the timing cover onto the engine block, ensuring that the alignment dowel pins are properly seated.
Start threading the bolts into their respective holes, but do not fully tighten them yet.
Using a torque wrench, tighten the bolts in a crisscross pattern to the manufacturer’s specified torque specifications.

Torquing the bolts to the specified specifications

Properly torquing the bolts is essential to ensure that the timing cover and chain are securely fastened to the engine block. Here’s how to torque the bolts correctly:

Refer to the manufacturer’s specifications for the recommended torque value for each bolt.
Set your torque wrench to the appropriate torque value.
Starting from the center and working outward, apply even pressure to torque each bolt to the specified value.
Double-check that all the bolts have been torqued to the correct specifications.
Inspect the timing cover and chain to ensure they are properly aligned and seated.

By following these steps, you can successfully reinstall the timing cover and chain on your Chevy 350, ensuring proper alignment and preventing any timing issues. The timing cover and chain play a crucial role in the functioning of your engine, so it is essential to perform this step with precision and accuracy.

Reattaching The Radiator And Refilling The Coolant

After successfully installing a camshaft on your Chevy 350 engine, the next crucial step is reattaching the radiator and refilling the coolant system. This is a vital process that ensures proper cooling of the engine, preventing overheating and potential damage. In this section, we will guide you through the steps to properly reconnect the radiator and refill the coolant system, ensuring your engine runs smoothly and efficiently.

Properly Reconnecting the Radiator

Once you have finished installing the camshaft, it’s time to reattach the radiator to the engine. To do this, follow these steps:

Start by carefully aligning the radiator with the mounting brackets on the engine. Ensure that the radiator is positioned correctly and the mounting holes are lined up.
Insert the mounting bolts through the holes in the radiator and tighten them securely using a socket wrench or appropriate tool.
Next, reconnect the hoses to the radiator. It’s important to ensure that the hoses are properly aligned with the radiator fittings to prevent any leaks. Tighten the hose clamps securely using pliers or a screwdriver.
Lastly, double-check all the connections to make sure everything is properly secured. Inspect for any signs of leaks or loose connections.

By following these steps, you will ensure that the radiator is reattached correctly, allowing the coolant system to function effectively.

Refilling the Coolant System

Once the radiator is reconnected, it’s time to refill the coolant system. Here’s how to do it:

Locate the coolant reservoir or radiator cap. Use caution when removing the cap, as the coolant may still be hot.
Slowly pour the recommended coolant into the reservoir or radiator until it reaches the proper level. Refer to your vehicle’s manual or the coolant manufacturer’s instructions for the correct coolant type and amount.
After adding the coolant, make sure to secure the cap tightly to prevent any leaks.
Start the engine and allow it to run for a few minutes. This will help the coolant circulate through the system.
Check the coolant level again and add more if necessary to reach the proper level. Remember to handle the cap carefully if additional coolant is needed.

It’s important to refill the coolant system properly to ensure adequate cooling of the engine. This will help maintain proper engine temperature and prevent any potential issues caused by overheating.

In conclusion, reattaching the radiator and refilling the coolant system is a crucial step after installing a new camshaft on a Chevy 350. By properly reconnecting the radiator and refilling the coolant, you can ensure the longevity and performance of your engine. Take your time to follow the steps outlined in this section, and you’ll be on your way to enjoying a well-tuned and efficiently cooled Chevy 350 engine.

Starting And Running The Engine

Starting and Running the Engine

Checking for any abnormal noises or issues

Once you have installed the camshaft on your Chevy 350 engine, it’s crucial to carefully check for any abnormal noises or issues. This step is essential to ensure that everything is in proper working order before you start the engine. Here’s how you can perform the necessary checks:

Listen closely: As you start the engine, pay close attention to any unusual sounds such as knocking, grinding, or whining noises. These can indicate potential problems that need immediate attention.
Inspect for leaks: Look for any signs of oil or coolant leaks under the engine. Leaks can lead to engine damage if not addressed promptly.
Monitor the gauges: Keep an eye on the temperature and oil pressure gauges. Ensure they are within the recommended range. Abnormally high temperatures or low oil pressure can be indicative of underlying issues that need to be resolved.
Check the exhaust: Examine the exhaust smoke for any unusual colors such as white, blue, or black. Unusual smoke colors may indicate engine problems, such as coolant or oil burning.

Making necessary adjustments, ensuring

After performing the initial checks and assessing any potential problems, it’s time to make necessary adjustments to ensure optimal performance. Here are some adjustments you may need to make:

Fine-tune the timing: Adjust the ignition timing to ensure the camshaft and other engine components are synchronized. Incorrect timing can lead to performance issues and reduced power output.
Verify valve clearance: Check the valve clearance to ensure proper functioning. Excessive valve clearance can lead to engine noise and decreased performance. Make any necessary adjustments to maintain the recommended clearance.
Fine-tune the carburetor: Adjust the carburetor settings to achieve the correct air-fuel mixture. This adjustment is crucial for proper engine function and fuel efficiency.

By thorough checks and necessary adjustments, you are ensuring the smooth operation of your Chevy 350 engine. It’s always crucial to take the time to carefully inspect and fine-tune your engine before hitting the road to avoid any potential issues or breakdowns. With proper maintenance and attention, your Chevy 350 engine will provide you with years of reliable performance.

Fine-Tuning The Camshaft

After successfully installing the camshaft on your Chevy 350 engine, the next step is fine-tuning it. This crucial process ensures optimal performance and longevity of your engine. Fine-tuning involves adjusting the valve lash and timing, which play a vital role in getting the most out of your camshaft.

Adjusting Valve Lash

Valve lash refers to the gap between the rocker arm and the valve stem. It is crucial to maintain the correct valve lash, as insufficient or excessive lash can cause engine performance issues or even damage the valve train. To adjust valve lash on your Chevy 350, follow these steps:

Start by bringing the engine to Top Dead Center (TDC) of the compression stroke on the number one cylinder. You can do this by rotating the crankshaft using a wrench.
Once at TDC, loosen the rocker arm nut using a wrench or socket. This allows the rocker arm to move freely.
Next, adjust the valve lash by using a feeler gauge. Insert the gauge between the rocker arm and valve stem, and tighten the nut until you feel slight resistance against the gauge.
Check the valve lash with the feeler gauge again to ensure it matches the specifications provided by the camshaft manufacturer. Readjust if necessary.
Repeat this process for each cylinder, following the firing order of your Chevy 350.
Once all valves have been adjusted, torque the rocker arm nuts to the manufacturer’s recommended specifications using a torque wrench.

Fine-tuning the Timing

Timing refers to the synchronization of the camshaft and crankshaft in relation to the piston movement. Correct timing ensures optimal power delivery and smooth engine operation. To fine-tune the timing on your Chevy 350, you can follow these steps:

Start by locating the timing marks on the harmonic balancer and the timing cover. The timing mark on the balancer should align with the desired timing degree indicated on the timing cover.
Disconnect the vacuum advance hose from the distributor and plug it temporarily.
Using a timing light, aim the light at the timing marks while the engine is running.
Adjust the distributor by rotating it slightly in either direction to advance or retard the timing, depending on your desired setting.
Continue adjusting and checking with the timing light until the timing mark aligns with the desired degree specified by the camshaft manufacturer.
Once the timing is set, reconnect the vacuum advance hose to the distributor.

Fine-tuning the camshaft on your Chevy 350 requires precision and attention to detail. By carefully adjusting the valve lash and timing, you can ensure maximum performance from your engine. Take your time, follow the recommended procedures, and enjoy the benefits of a finely-tuned camshaft.

Frequently Asked Questions On How To Install A Camshaft On A Chevy 350

Can I Install Camshaft Myself?

Yes, it is possible to install a camshaft yourself. However, it requires careful consideration, proper tools, and knowledge of the specific engine. It is recommended to consult a professional or refer to the engine manual for step-by-step instructions to ensure proper installation and avoid any potential issues.

Can A Camshaft Be Installed Wrong?

Installing a camshaft incorrectly can cause severe engine damage. It can result in poor performance, misfires, and even engine failure.

Can You Replace A Camshaft Without Pulling The Engine?

Yes, you can replace a camshaft without pulling the engine. It is possible to access the camshaft by removing other engine components. However, it is a complex task that requires proper knowledge, tools, and skills. Consulting a professional mechanic is recommended for accurate and safe camshaft replacement.

How Long Does It Take To Install A Camshaft?

It typically takes around 4-6 hours to install a camshaft. The process involves removing the old camshaft, carefully installing the new one, and then reassembling the engine components. However, actual installation time may vary depending on the specific vehicle and the skill level of the person performing the installation.

Conclusion

Installing a camshaft on a Chevy 350 can greatly enhance its performance. By following the simple steps outlined in this blog post, you can complete the installation process with ease. Remember to gather all necessary tools, carefully align the timing marks, and torque the bolts to specifications.

With a properly installed camshaft, your Chevy 350 engine will be ready to deliver an impressive power boost. So why wait? Start installing your new camshaft today and experience the thrill of improved performance.