Which is the best ECU for vipers Motec or Proefi ?

[SolidViper]

I was wondering which Ecu is better to use for vipers tunning and more used in the usa ? Is it the Motec ecu or the Proefi ? Also what is the advantages and disadvantages between them ? I'am not sure if there are other Ecu used out there in the market for viper tunning and modification .

[TwinVipers]

Motec is the superior of the bunch but also the priciest! Aem also has a fairly new system that's also capable of tuning and controlling the viper for a fraction of the price!

[SolidViper]

Motec is the superior of the bunch but also the priciest! Aem also has a fairly new system that's also capable of tuning and controlling the viper for a fraction of the price!

Thanks Does it have more options you mean by superior or can offer more thing ?

[ViperSmith]

I guess the better question is what are you trying to do?

[SolidViper]

I guess the better question is what are you trying to do?

Trying to find out what is the best ecu for high end builds like TT , supercharged with engine work, and what is most commonly used.

[TwinVipers]

The motec is superior because of its built in data logging and better hardware. My TT gen 4 car currently runs an aem infinity and is able to do all the things I wanted, flex fuel, traction control and anti lag. if $$$ were no object, I'd go with the Motec.

[Nine Ball]

If you ask 5 different tuners, you'll get 5 different answers. What matters is who is installing the system, and their understanding of the system, and how to tune them. All of the systems work about the same, most have options you won't even use. Not everyone knows the tricks for getting them to work with a Gen 5. You don't simply buy the hardware and install it. There is a lot of custom programming, that only a handful of shops know how to do. Especially if you want your gauges to work!

[7TH_SIGN]

You will get different answers from different people. Most will argue Motec. It's also one of the most expensive. It comes down to your build and tuner imo. Nothing wrong with AEM and ProEFI.

[rlhay2]

It comes down to your build and tuner imo.

Both systems (actually all of them!!) are just hardware. The real expertise is in how the software is used.

If you are planning a build contact the tuner you plan on using and ask him which he prefers.
And let that help you decide. Otherwise it becomes a .40 vs 9mm type of discussion...

[SolidViper]

Great and thanks got the general idea now

[Antonio@CalvoMotorsports]

Motec>AEM>PRO EFI. I have had so many problems with pro efi and the biggest issue is, they don't have customer support. The customer support is D3 which is still a shop. If their tuner is on the dyno you have to wait to get a call back. Not saying anything bad about d3, but you can't compare a company who has a full time customer support team to a single guy at a small shop. It also has its bugs too. I have two bricked ones sitting here from customers who provided them. Another reason why we won't touch them again.

[Tiago]

Pro EFI in the hands of a capable tuner is just as good as Motec and others. Good tuners are few no matter which platform you're using. I've been very happy with mine. Seems like it works very well on Sal Patel's car also.... lol

also, AEM is complete junk.

[Nine Ball]

Psshhh, I've gone faster than both of you with a stock computer .

Old AEM is garbage for sure. The AEM Infinity is much more advanced.

[EdwardETraylorIII]

Depends on your needs and depends on your builder/tuner... In the right hands they are all comparable.

However, why not use the stock computer for what you're trying to accomplish? I'm not saying it's right for your application (we don't know what you're trying to accomplish...) but a lot of times the aftermarket ECU just isn't necessary.

[rlhay2]

Depends on your needs and depends on your builder/tuner... In the right hands they are all comparable.

However, why not use the stock computer for what you're trying to accomplish?

If only there were visual proof of a fully functional OEM ECU working at greater than 9psi but alas these cars only seem to exist overseas...

Thus far, only the aftermarket systems have been proven to be fully functional and work properly in a boosted application.

[plumcrazy]

always let YOUR tuner answer that question, not some dudes on a forum

[SolidViper]

I am asking this because i want to start a tuning career in kuwait , i know i need a dyno and am working on that at the moment got some sct software's ordered for the oem ecu's that would be mostly used for camaro's, corvette's and mustang's and got some online training packages for a starter and then go to there seminar courses in florida. My main goal is for tuning viper's as a career i know you need to change the viper ecu because it's locked , the only way to tune it with out needing to change it is to send it to arrow's or am not sure what the procedure is if am right , or is to have an after market ecu for all needs tuning stock engines , N/A and TT or Supercharged builds. From what i understood so far is that motec is easier to install have more options and have a support team they also have training faculity in the middle east online and seminar's. So i think that is the best path to go after finishing with the SCT training and being capable of tuning cars properly. I think asking on a thread like this so it would make it more helpfull if tuners would be nice to help and give there expirience's so you can get knowledge and info from more than one source. If i want a shop to build my car i would definitely only ask him see what he see's best for his tuning knowledge and capability but that's not the point of the thread.
Thanks for the info and replies and would appreciate more advices

[Nine Ball]

HP Tuners is the benchmark for all GM vehicles. You can also use HP Tuners to tune the factory Gen 4 and 5 Viper computer, they are not "locked" as of about a year ago. The aftermarket computers are for boosted applications, not NA.

[SolidViper]

HP Tuners is the benchmark for all GM vehicles. You can also use HP Tuners to tune the factory Gen 4 and 5 Viper computer, they are not "locked" as of about a year ago. The aftermarket computers are for boosted applications, not NA.

Great , thanks
Do i need to get the HP Tuner for GM works on the Gen 4,5 vipers or is there a one for dodge ?