How To Make My 4.8 Silverado Faster? [6 Practical Ways] – AutoExpro

We all know how investing in vehicles is like. We save up for weeks and months to make the investment to get the expected performance from our vehicle which mostly includes faster speed and quality performance. But what if the engine FAILS to be FASTER?

Yes. As most of you have already guessed, I am talking about the Silverado 4.8 engine. Though it is a highly durable engine, after a while, it became sluggish. So, I immediately started to think about how to make my Silverado 4.8 faster.

If you find it relatable, I suggest you to stick to the end of this article. I’ll share 6 practical ways and other necessary information to make your 4.8 Silverado faster.

6 Practical Ways to Make My 4.8 Silverado Faster

1. Aftermarket Computer Chip

A computer chip runs a number of electronic engines and they control the engine’s functions. What you can do to make your 4.8 Silverado faster is upgrade the computer of the engine by using a PROM (Programmable Read-Only Memory). That will amplify the horsepower of the engine.

On the basis of the condition of the operation, the chip will change the speed, spark timing, and fuel ratio of the engine. But before you do that, you have to ensure that the chip is compatible with your engine. You can also customize the chip in accordance with the engine modifications. Companies like the Z industries can help you in that regard.

2. Aftermarket Air Filter

This is where you have to change your current stock air filter and bring in an aftermarket air filter. It will let the airflow get in and out more frequently through the engine to strengthen it with more firing power.

There are many K&N air filters which are built for the purpose of making the air filtration better and increasing the horsepower acceleration. They also allow more exhaust to get out.

These filters are good at keeping the engine free of dirt. It makes the air filtration purer and provides more horsepower. How you will select the perfect aftermarket filter depends greatly on how much acceleration you want. I selected the perfect one for mine and I got my expected speed from the Silverado.

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3. Aftermarket Exhaust

You already know why you need an aftermarket air filter to make your 4.8 faster – so that the air gets into your engine properly. Now you should buy an aftermarket exhaust as well. Because it will do the other job – helping the air get out of the engine more effectively – another important factor you should take into consideration.

Here is a couple of things you should keep in mind when you decide to use an exhaust.

• Look for an exhaust having features like a high-flow muffler and a diameter. It will improve the horsepower.
• In addition to that, you should also consider buying a low thermostat so that your engine remains cool while it is running. That will make it more efficient.

I was quite unsure about how to make my 4.8 Silverado faster. So I doubted that this modification would do any good. To my surprise, it proved me wrong and improved my Silverado’s performance.

4. Performance Spark Plugs, Filters, and Wires

Using performance spark plugs, filters, and wires would be a very effective decision if you want to make your 4.8 Silverado faster. Because the spark plugs are particularly used to make the engine more powerful and increase gapping power. The gap refers to the area which the spark plugs have to cover in order to charge your engine.

If your spark plugs have become old or are not efficient enough anymore, it will cause the loss of horsepower. In that case, you should immediately replace the old ones with new spark plugs, filters, and wires that are compatible with your Silverado.

5. Throttle Body Spacer

When I was confused about how to make my 4.8 Silverado faster, this worked like magic. The main job of throttle body spacer is to elevate the efficiency of the mid-range power so that your 4.8 can live up to its real power.

The spacers are made from quality materials and they keep your Silverado’s performance boosted, smooth, and consistent. As a result, the throttle response becomes more improved. It is an effective upgrade option for me and it made positive changes in the performance of my 4.8 Silverado.

6. Rear Wheel Well Guards

Do you drive your truck heavily? If yes, then it must have been on constant beatings, in case you have not noticed it already. Crossing uneven roads for a long time may not cause significant damages to your truck, but you should be careful about this. Because chances are it can impact your vehicle’s performance negatively.

To save your truck from this, you can use rear wheel well guards. They will protect it from the rocks and stones it may run over.

Additionally, you can try adding a front recovery bumper. It will work great as a shield of extra layer and make your truck tougher to bear with heavy activities. The bumper’s main element is reinforced coiled steel, unlike the typical bumpers. It will protect both you and your vehicle from strong hits.

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Other Upgrades & Modifications to Make Faster

The following options are for you if you want to make more changes to your truck.

1. Torque Management
2. Rev Limiter
3. Shift Points & Shift Firmness
4. Calibrate Speedometer for Gear Ratio & Tire Size
5. Active Fuel Management Control
6. Transmission Tuning
7. Adjust Fan

These are some adjustable parameters which you can use to upgrade your Silverado truck to make it faster.

Final Words

That is all I did when I was disappointed thinking about how to make my 4.8 Silverado faster. There are definitely more options if you want to give it an even more sophisticated look. But if you particularly want to make it faster, boost its performance, and have a healthier engine, these are the recommended initiatives that you can take to have your purpose served.

Wishing you lots of comfy and speedy rides with your 4.8 Silverado. Good luck!

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