Installing and Tuning the AEM Infinity EMS - Honda S2000

by Mike Kojima

You might have read our previous articles on how easy it is to set up the AEM Infinity EMS on the BMW M3 with great results in the heat of competition.  Well the AEM Infinity is not just for BMW's, it works great on just about anything and we would now like to show you just how easy it is to set up on a Honda S2000.

Check out how the Infinity worked on an an E46 M3 race car

Another Inifinty EMS install on a BMW M3.

For an S2000 we did not just pick any car but instead the S2K belonging to Tony Fuentes.  Tony and his S2K have been tearing it up in the RWD Street class, being the current points leader for Redline Time Attack. Using Tony's car will allow great feedback based on competition use and will be a good test to demonstrate some of the EMS's built in engine protection features and traction control.

The Infinity can also grow with Tony's plans to keep developing the car with plenty of features and channels for datalogging that you don't have to pay extra to unlock.


Tony's car is not unobtainium but a great example of what a street class Time Attack car should be, a competition car with strong performance street roots built with high quality mostly off the shelf components.  This car could be built by anyone and is not a crazy one flying lap special but rather a car that is a great track day car and super fun to drive.
You can see the side barge boards by Wasp Composites.  The barge boards help prevent spillover air from curling under the car which can interfere with the effectiveness of the rear diffuser and can also recover some pressure and create downforce.  Enkei NT-03 lightweight wheels wrapped with Nitto NT05 tires give grip and Wilwood brakes provide stopping power.  Nothing super exotic, just solid stuff that gets the job done.
Wasp Composites also provided the front airdam and splitter.  All very reasonable and even streetable stuff that anyone could do, not CFD tuned super custom Andrew Brilliant designed mega bucks stuff.  Not shown are some Wasp composites canards that add additional downforce to the front of the car.  We know from first hand experience that basic simple aero such as this makes a huge difference.
The carbon hardtop is required for track use and also improves aerodynamics with a longer trailing edge to reduce flow separation.  This also help the rear wing to work better.  Note that the hardtop extends all the way to the rear trunk lid.
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Monday, July 21, 2014 8:48 AM
Can you give us a link to bigger pictures, please? Very interesting article anyway :)
Monday, July 21, 2014 11:14 AM
"Tony has bigger power plans coming together in the near future so he has installed and wired some switches for map selection and traction control trim."

And a 35psi boost gauge :D

Is he going to turbocharge this engine ? Considering this engine was made to rev high as NA, wouldn't it be counterproductive ?
Monday, July 21, 2014 12:06 PM
S2000 engines take very well to boost. The stock bottom end is forged, so it can do 600whp all day long on the proper octane fuel. A GT30 size turbo gives a nice and wide powerband for road course use (full boost at 4k rpms with redline being 8k-9k) and 500whp.
Monday, July 21, 2014 1:30 PM
I'm going to throw what must be a wives tale/ conspiracy theory but it's interesting anyway. I heard from a very knowledgeable instructor, whose auto tech program just had a Superflow dyno installed, that they purposely didn't go with a Dynojet because the readings just weren't accurate. He wasn't going to call Superflow readings "conservative", but insisted they were as realistic as they get.

That's not the weird part. This guy had been a tech in the industry for 20 years and a lead instructor for 20 more. He's good friends with a guy that rents new cars, just to take sensor readings and log them in a chart. He's a legit nerd and had a ton of knowledge to dispense.

Anyway, the weird part is he frankly doesn't give two shits about performance stuff. But according to him, Dynojet built and based their original dyno calculations off advertised power numbers from some ancient Yamaha motorcycle. I don't know if this came from the Superflow salesman or what, it might well have, but Dan (instructor) isn't a guy to spread rumors or bullshit, so he believed it was probably true, or some iteration of that story.

And Dynojet sells a ton of equipment, and they couldn't do that if the end users weren't seeing #s they were pleased with.
Mike Kojima
Mike Kojimalink
Monday, July 21, 2014 1:40 PM
Dynojets are very accurate, senstive and repeatable, they just tend to read higher and can't do steady state loading and are not the best for tuning.
Der Bruce
Der Brucelink
Monday, July 21, 2014 9:49 PM
Great article!

So is he running at least a roll bar in there?
I didn't see signs of a cage with the forward facing pictures.
Tuesday, August 05, 2014 1:57 PM
Good read... When can us 06+ S2000 guys get in on the fun? Would love to have a proper EMS instead of my current Hondata Flashpro.
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