How to Tune a 5.3 After Cam Swap

After completing a cam swap on your 5.3, it’s important to properly tune the engine to ensure optimal performance and avoid any potential damage. Luckily, tuning a 5.3 after a cam swap is relatively simple and only requires a few tools and some basic knowledge of how to use them. In this blog post, we’ll walk you through the process step-by-step so you can get your engine running like new again in no time.

  • Check the engine’s oil level and quality, and change it if necessary
  • Inspect all of the engine’s pulleys and belts, and adjust or replace them as needed
  • Locate the 5
  • 3’s camshaft position sensor and clean it with a rag soaked in rubbing alcohol
  • Unplug the negative battery cable to prevent electrical shorts while working on the engine
  • Disconnect the wiring harness from the camshaft position sensor, then remove the sensor itself from its mounting location on the engine block using a ratchet and socket
  • Install the new camshaft position sensor in the same spot where you removed the old one, then reconnect its wiring harness and plug in the negative battery cable again when you’re finished

5.3 Stage 2 Cam Tune

If you own a 5.3L GM truck or SUV, then you know that it’s capable of some serious power. But what if you could make it even more powerful? That’s where the Stage 2 Cam Tune comes in.

This simple mod can increase your 5.3L’s output by as much as 30 horsepower and 80 lb-ft of torque! So how does it work? The Stage 2 Cam Tune consists of two main components: a new camshaft and a custom ECU tune.

The new camshaft is designed to improve airflow through the engine, while the ECU tune optimizes ignition timing and fuel delivery for maximum power. Combined, these two mods will take your 5.3L to the next level! Installing a Stage 2 Cam Tune is not a difficult task, but it does require some basic mechanical knowledge.

If you’re not comfortable working on your own vehicle, then we recommend taking it to a professional for installation. But if you are handy with tools, then follow our step-by-step guide below and you’ll be up and running in no time!

How Do I Tune My New Cam?

Assuming you are talking about a cam for an internal combustion engine, the first step is to identify the top dead center (TDC). This can be done by removing the spark plug from the cylinder and inserting a clean piece of stiff wire into the hole. With the piston at TDC, both valves should be closed.

If they are not, rotate the engine until they are and make a note of where the timing mark on the crankshaft pulley is in relation to the TDC mark on the block. Next, loosen the rocker arms so that they can move freely on their studs. Adjusting intake and exhaust valves separately, turn each valve until it is just barely touching its corresponding pushrod.

Once both valves have been adjusted, tighten down all of the rocker arm nuts except for one on each side (intake and exhaust). Now it’s time to set lash. To do this, turn each adjusting screw in until it makes light contact with its pushrod, then back off 1/2 turn.

At this point you should be able to wiggle each pushrod up and down with very little effort. If there is too much play or not enough play, readjust as necessary and recheck lash until it is within specification. Finally, torque down all ofthe rocker arm nuts to spec.

Does a Cam Swap Need a Tune?

If you’re planning on swapping out your camshaft, you might be wondering if you need to tune your engine afterwards. The short answer is yes, you will need to tune your engine after swapping out the camshaft. This is because the new camshaft will change the way the engine runs, and the tune will ensure that the engine is running optimally with the new cam.

How Do I Tune My Ls Swap?

If you’re planning on LS swapping your ride, congratulations! You’re in for a treat. An LS swap is one of the best ways to increase performance and modernize your vehicle.

But before you can enjoy the fruits of your labor, you need to tune your LS swap. Here’s how: 1. Choose the right ECU.

The first step in tuning your LS swap is choosing the right ECU. There are a few different options on the market, so do your research and pick the one that’s right for you and your build. 2. Get a base map.

Once you have your ECU selected, it’s time to get a base map. This will give you a starting point for tuning your LS swap. If you’re not sure where to find a base map, check out our article on How to Find Tuning Maps for Your ECU .

3. Start with a low throttle position (TP). When tuning an LS swap, it’s important to start with a low TP or throttle position sensor calibration first. This will help prevent any issues when you start increasing the throttle later on in the process.

4 . Increase the throttle gradually . Once you’ve got your low TP sorted out, it’s time to start increasing the throttle gradually .

Again, this is to prevent any issues further down the road . Start by increasing the throttle in small increments and then work your way up until you reach wide open throttle (WOT) . 5 . Log data as you go . As you’re tuning your LS swap , it’s important to log data along the way . This will help you identify any issues that might arise and also allow you to track your progress . There are many different logging tools available , so choose one that fits your needs and budget .

How Do You Tune a Big Cam?

If you have a big cam in your engine, you’ll need to tune it properly to get the most performance and power possible. Here are some tips on how to tune a big cam: 1) Make sure your carburetor is jetted correctly.

A too-small carburetor will starve the engine for fuel, while a too-large carburetor will cause the engine to run rich and waste fuel. 2) Adjust the ignition timing so that it’s firing at the correct time. Too much advance can cause pre-ignition and damage the engine, while too little advance will result in poor performance.

3) Make sure the valve lash is set correctly. Incorrect valve lash can cause premature wear on the valves and seats, as well as affecting performance. 4) Adjust the rocker arms so that they’re opening and closing the valves correctly.

Incorrect adjustment can lead to bent pushrods or damaged rocker arms. 5) Check all of your electrical connections to make sure they’re tight and free of corrosion. Loose or corroded connections can cause all sorts of problems, including misfires and loss of power.


If you have swapped cams in your 5.3 engine, there are a few things you need to do to make sure everything is running smoothly. First, you’ll need to check and adjust the rocker arms. Next, check the pushrods for any wear and tear.

Finally, set the valve lash. Once all of this is done, your engine should be running like new!

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