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Standalone / Piggyback

Introduction to Engine Tuning

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Discussion and questions related to the course Introduction to Engine Tuning

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Hi guys :)

I am a beginner in the field of EFI.

I learned the basics, basic courses and basic practices.

I will explain myself, I have seen several reflash solutions, often expensive if you have several types of cars.

I have a question that turns in my head.

If I want to keep all the car's options like air conditioning etc, someone could explain to me the pros and cons of piggyback versus a reflash please

I have never used it, but in the absolute, I find piggyback less expensive than other solutions, and especially more universal as a solution of reflash ?

See you soon :)

It really depends on the car you are speaking of as whether reflashing is costly. That said there is no reason why you would loose any functionality while using a piggy back. Although I do not personally agree with the piggy solution, it is certainly a viable option for many under several circumstances.

It really depends on the car you are speaking of as whether reflashing is costly. That said there is no reason why you would loose any functionality while using a piggy back. Although I do not personally agree with the piggy solution, it is certainly a viable option for many under several circumstances.

Can you tell us exactly what vehicle and engine you had in mind?

Sorry, I may have expressed myself poorly. What I wanted to say.

So, imagine, I have 3 cars of different brands that each need different software to be reflash because I would like to keep the various functions already present on cars.

I will have two solutions, either to reflash the original ecu or install piggyback.

In my mind, the solution to install piggyback is less expensive than buying several software.

What do you think about this approach to reflash an original ecu?

See you soon.

Piggyback ECUs are often very limiting as to what you can do and the amount of control you have. They may be ok for a lightly modified engine but for anything more serious they often leave a lot to be desired.

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