Ever considered engine tuning before? If you have ever driven a new car off the lot and wondered whether or not you could get more torque or horsepower out of it, then chances are, you’re going to benefit from learning how to tune your car!

Car tuning is all about tapping into the ECU, or the central control panel of your vehicle (sometimes referred to as PCM or ECM). It’s here where the magic happens, quite literally – your car’s various components learn how hard to push themselves, and more often than not, the engine parameters aren’t exactly working at their most efficient.

That’s not to say all cars roll off the lot as vastly inferior to what you expect! However, what you can expect is a world of potential in your machine that you might not otherwise have thought possible.

Tuning a car can be complex, so consider this to be a beginner’s guide – let’s dive in.

What is Car Tuning?

Tuning a car is all about looking at the individual parts and mechanisms of your vehicle and understanding the roles the play in overall performance. Making your car run faster, become more fuel efficient, or increasing horsepower isn’t always a case of switching parts out. More often than not, you can grab hold of a car performance tuning kit to upgrade your vehicle’s central computer module, without needing to swap out any physical components.

Car tuning normally requires a piece of kit that directly connects to your car’s ECU, which, again, is the ‘brain’ of the operation. If you want to know how to tune car ECU based on your exact make and model, you’ll need to refer to your manufacturer – but luckily, leading manufacturers in these products will give you plenty of support and guidance.

Engine retuning, car performance tuning, you name it – it all refers to releasing a handful of blockades in your ECU that might be holding things back. Ultimately, tuning a car could save you from having to completely gut your vehicle for new parts. That’s going to be plenty of time and effort saved!

How to Tune Your Engine

Tuning your engine is as simple as booting up a car tuner and plugging into your ECU – the best units will have on-board controls and displays where you navigate your way to the elements you really want to tweak and adjust.

Naturally, there are going to be different ways for you to manage your car tuning depending on the vehicle you drive. Therefore, consider this to be a bit of an opening guide to the different components that your average engine tuner unit will give you access to.

Ignition

Efficient fuel ignition can do more to speed up your vehicle than you might imagine. This tends to be a little bit of an after-thought or even the cherry on the cake when it comes to ECU tuning. However, if you’re not so keen on changing the spark plugs, it’s well worth tweaking the ignition in your settings. Most tuning devices have pre-loaded ignition timing configurations that have been meticulously designed and tested to extract maximum performance for specific fuel octanes.

That said, this may be one of the more appropriate avenues where a physical upgrade may be more worthwhile – in our experience, it’s worth plugging in a tuner to get the most out of your ignition regardless.

Induction

Induction is all about making sure that your engine takes in an additional heft of air – where possible – improving its efficiency. Making full use of induction is one of the key features you’ll find available on most ECU tuners, meaning if you feel your engine really could be doing more to claim that last bit of HP, it’s worth tweaking. Many ECU programmers have a setting which optimizes the power curves and ignition timing for different types of air intake assemblies. That said, only very specific engines and types are safe for forced induction.

Air Filtration

This is where things start to get really interesting. Air filtration, believe it or not, is often pretty restricted when your car rolls off the lot. That’s largely as a safety measure – after all, unfiltered air reaching your engine is going to cause more problems than improvements.

However, a car tuner can encourage your ECU to filter in more air before it reaches ‘dangerous’ levels. Specifically, it’s about taking your car’s filters beyond the ‘default’ option. There’s a way you can go before you need to switch to new filters necessarily, too.

Fuel and ECU Mapping

Believe it or not, ECU mapping can even help you to change the air-fuel ratio in your engine, too. It’s entirely possible to claim a bit of extra horsepower just by altering this ratio just safely enough. Of course, the only way you can do this safely is to make sure you have a leading car tuner to hand. The pre-loaded tunes that come on most ECU tuners have preset air-fuel ratio settings which have been tested and configured to make sure your vehicle’s engine produces the most power possible without putting strain on engine components.

Fuel injection is one of the first go-to options tuning enthusiasts opt for when they first plug into the ECU.

What Are Some of the Best Car Tuner Manufacturers?

If you’re keen to get the best out of your car but are unsure where to start, it’s always a good idea to look at tuners and ECU mapping kits available through Total Z Parts. We’re proud to partner with a wide variety of top makes and brands, each of which have their own selling points and unique kits.

For example, car tuners from the likes of Edge and SCT are widely available through our store. We’re also pleased to be tuning retailers for the likes of Bully Dog and Diablo Sport, both of which we are closely partnered with.

When dealing with something as sensitive as car tuning, you must make sure that you buy kit or equipment from a reputable brand. Otherwise, you may run the risk of actually doing damage to your engine.

Take it from us – you’ll want to invest in an engine tuner that’s simple to get started with, and which will really help you wring every last drop from your vehicle’s horsepower!


We all want our new cars and trucks to perform brilliantly from the moment we put the key in the dash. However, as any tuning expert will tell you, there’s tons of potential in even the sleekest of machines. That’s why so many gearheads invest in top SCT engine tuners to really upgrade their drives.

SCT is a leading brand and manufacturer in engine tuning. Tuning your engine is now easier than ever – as well as more precise – thanks to their amazing expertise. Of course, there are plenty of tuning brands out there, but SCT is one such name we really think is worth looking into.

But where do you even get started with an engine tuner? What is it about SCT that makes their products worthy of purchase? What’s your potential for HP.

In this guide, we’ll take a look at what you need to know about getting your own engine tuned up and working to its full HP potential.

Why SCT Tuners?

Many drivers and gearheads lean towards SCT’s car tuner range simply because they’ve been at the forefront of the tuning game for so long. Coming up on 20 years, the team specializes in creating robust, sustainable tuning solutions. To you and me, that means an SCT product is built to last, and is designed to offer almost unlimited insight into your driving potential. Generally, SCT has specialized in Dodge, GM, Ford, and Chrysler over the years. However, their tech is certainly broadening.

SCT’s color displays and tuning innovations made waves at the start of the 00s to mid-decade. Since then, they’ve upgraded their engine tuners to allow for touchscreen functionality, and a wider range of chip adjusting than ever before. However, what already worked brilliantly for SCT, remains unchanged. If it ain’t broke, don’t fix it.

How Much HP Does an SCT Tuner Add?

You might expect to gain up to 120 HP with a diesel engine, up to 50 HP with a naturally aspirated gas engine, and up to 100 HP with a turbo-charged gas EcoBoost engine. SCT programmer kits are tuned more aggressively than most others on the market.

However, this is only really the max potential. The HP you could receive in the form of a tuning boost may vary depending on your vehicle, engine age, and of course, the engine tuner you end up purchasing.

So, our advice here would be to read the manufacturer details carefully and to consider your existing HP and performance. It’s a really good idea to keep an open mind, as many motorists before you – and many afterwards – will likely be disappointed when miscalculating the HP potential.

How Do I Tune an SCT Tuner?

Actively tuning your ECU with an SCT engine tuner will vary depending on the type of device you use. Often, it is simply a case of connecting the device through your vehicle’s relevant port and following the on-screen instructions.

However, for the purpose of this guide, let’s focus on how you can actually upload and use custom tunes for your engine.

To download and apply custom tunes through SCT engine tuners, you are going to need to either use the manual uploading process, or cloud sync.

Cloud Sync

  • Cloud sync is generally the smoothest way to upload custom tunes, though you’ll only be able to use this function through select SCT tuners. These, at present, include the GTX and BDX.
  • Make sure you connect your tuner to Wi-Fi, and that your tunes are available via the cloud.
  • Choose ‘Program Vehicle’ once your tuner boots up, check the details on screen, and make sure your device is up to date and at the latest version. Then ‘Continue’ to sync with the cloud.
  • You can then select available tunes, from your dealer or otherwise, and ‘Continue’ to upload them into your device. From there, follow the standard tuning process, as outlined in your SCT tuner manual.

Manual Sync

  • Manual sync will apply if you are using SCT tuners such as the Livewire or X4 lines, as these do not have cloud connectivity. However, it’s still easy enough to download and transfer custom tunes.
  • You’ll need a PC or laptop to get started. That’s because you’ll need to download the relevant SCT device update software for your machine and tuning kit.
  • Once this software is good to go, you will need to connect your tuner to your PC via USB cable. Make sure any custom tunes you want to use are ready on your desktop or somewhere you can easily transfer from.
  • Open the Device Updater and make sure to head to Basic Operations. You’ll then need to click ‘Load Custom Tune File’, before ‘Locate Custom Tunes’. You’ll then browse tunes available.

Choose the tune you want, and the Updater program will port it into its own window under ‘Available Tunes’. Click the middle arrow and then ‘Program’ and give it time to transfer. Simple!

Benefits of an SCT Tuner

SCT performance tuner kits tend to be the best in the game – according to many experts – simply because of their sheer potential for massive HP.

The fact is, SCT has had plenty of time to design and develop fantastic tuning kits, meaning you can always expect their products to lead the way for many copycat devices. Since 2003, the company has cultivated a lot of praise.

These tuners also go beyond simply beefing up your engine with raw power. If you care more about the overall efficiency of your machine, then an SCT product is flexible to your needs. What’s more, you can tweak your tuning experience based on fuel economy, too.

SCT isn’t the only long running or reputable engine tuner brand out there, but it’s certainly near the top of the pile.

Why Buy From Us

We’re licensed partners of SCT products, and not only that, we retail a wide range of top rated engine tuners and alternative brands you’ll need to really bring the best out of your machine.

Why not take a look at our trusted catalog of tuners and tuning kits available right now?


If you’re new to the world of engine tuning, it probably stands to reason that you want to know how it all works. The various ins and outs of engine performance tuning can seem a little complex at first, however, the benefits of using engine programmers are fairly easy to spot!

In this guide, we’ll be taking a look at all the benefits of engine tuners and performance tuner systems. Even if you are completely new to tuning up vehicle engines, it’s worth looking into the wider reaching benefits before you go ahead and buy!

How Do Engine Tuners Actually Work?

Ok – so let’s take a look at the science and tech behind engine programmers first. Essentially, engine tuners are miniature devices which you can use to sync with the firmware of your vehicle. However, if this sounds a bit vague, it actually does a bit more than that.

You’re effectively looking at a handheld computer that can help you to tweak and adjust certain areas of performance in your vehicle. While you can do plenty of things to improve performance by switching out physical elements and features, you can do a lot to improve the power of your car, for example, by using an engine tuner to communicate with your on-board CPU.

Normally, you’ll find that you can connect engine programmers directly through your engine via your dashboard. You don’t have to go for a dash mount, but it’s often one of the most convenient places to keep your tuner in case you want to change things up at short notice.

Engine performance tuners cover a lot of different ground. For example, they can help to improve your horsepower, to keep your coolant temperature in check, and to balance out the performance in your engine. While it’s easy enough to assume that your car is going to come operating at peak performance when you first buy it, this isn’t always going to be the case. Therefore, if you are finding yourself struggling for horsepower and really want to get your money’s worth, then there are more than a few things you can do to ‘crack’ into the system.

Types of Tuners

It’s also worth keeping in mind that there are a few different pieces of tech you can use in performance tuning, no matter the vehicle or make you drive. These are, in brief:

  • Chips, which connect to your CPU or PCM. These are some of the most common tuner types and are those we described above. This link directly to your engine.
  • Modules, which instead of connecting to your engine, focus on different sensors you may have under your bonnet. These will read information from a sensor and send a different result to your PCM.
  • Programmers, meanwhile, plug directly into your diagnostics and let you tune up via control module. These systems are very popular with drivers who are looking to change up pressure and temperature, for example.

All three types of tuners work through engine modification. This means that they will focus on a range of different factors in your engine and PCM communication. This may include the size and frequency of pulses, as well as timing.

Unlock the Full Potential of your Vehicle

As mentioned, you will naturally want to buy a vehicle that’s the best you can get for your cash. However, when you start driving, you may find that there are some aspects which you need to fine tune. This may include horsepower, air pressure, or even coolant temperature.

Overall, engine tuning allows you to improve the performance of your car up to its optimal potential. Why settle for anything less than the best for your money?

You Can Improve Your Fuel Economy

It’s entirely possible to use performance tuners to help your fuel go that little bit further. For example, you may find that some tuning systems or chips have coach services on-board. These will tell you what you need to tweak and adjust, and when, to make sure that your engine is using enough fuel, and to make sure you are not wasting anything.

The possibilities for improving your economy when it comes to miles to the gallon will, of course, vary from case to case. However, it’s great to know that you may not have to do too much to really get the most out of your performance.

It’s Easy to Manage

One of the most popular reasons for people taking up engine tuners is for the simple fact that it is much easier to manage than people imagine.

In many cases, as stated, you’ll be able to completely tweak and tune your engine from a control panel, which means you can always see what’s going on. Some of the best performance tuning systems even make suggestions to you, meaning that if you are completely new to the world of tuning up your engine, you can follow a template or guide, so you know how to make the most of it. If you really know what you’re doing, of course, you don’t have to follow this!

Easier to Install Than You Think!

What might put some people off tuning altogether is the misconception that car tuning and performance engineering is likely to be difficult. This is rarely the case. Custom tuning, for example, is based around your specific vehicle and is likely to be easier and more flexible to manage.

However, tuning systems come in all shapes and sizes, and from a variety of brands. No two might ever be the same! Take your time to look through some of the top brands available online and see what’s picking up the best reviews.

We all want the best out of our cars, and sometimes, that means giving them a bit of an extra push. And why not? Take your time and find the right fit.

Conclusion

Hopefully our guide has helped you understand a lot more about the process of how engine tuners work and function. If you found this article interesting, we’re sure you’ll enjoy our article about engine performance tuning and how that works. Feel free to contact us any day of the week