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Project - Fiat 500 Abarth

Genesis

With the Scion FR-S/Subaru BRZ project well into production and sales, and the conclusion of the relatively pretty quick R56 Part II project, the R&D boys were ready to tackle another project. As always, picking the right project is an important task.

You need something that (1) will make good power and that (2) people will want make that power... turbo's are always a plus. Something fun, something on the sporty side. Something in the right price range. Something relatively new... sounds like an Abarth!

With a likely candidate vehicle in mind, we started calling around to see if we could find somebody local that was willing to be an initial test vehicle. After a couple of calls, we found just such a car... owned by an enthusiast and forum moderator was happy to step up. Hat's off to Ed!

Abarth

Is there a better test drive than heading to a racetrack?

Initial testing

As with any project, all the boring stuff comes first. Creating schematics, pictures, oscilloscopes, volt meters, and lots of climbing around the car. The good news is everything was available so the research went pretty smoothly and, even better, the signals all matched when measured. We could make a Plug-n-Play loom out of an existing blank harness - best of all - everything responded just the way it should when our tuners started their baseline work. We're ready to see how much untapped power is in the little beast.

 

Power

With the background work complete, we installed the Unichip into the car and started tuning. As anticipated, as with most turbo applications, the extra power waiting in the engine was plentiful and a lot of fun to bring out. We started out on the dyno to see how far we can move fueling, timing, and boost before the factory computer gets unhappy and shuts things down.

We found a lot of wiggle room and could comfortably run all the boost the turbo can make through the engine with plenty of fueling and timing correction available. Here's what we were able to coax out of the engine...

You can see the engine becomes a completely different beast when you let it loose...

Abarth Dyno

 

Bolt-on mapping

Our test vehicle good fortune continued because Ed had several bolt-on components on his car and also kept the OE parts they replaced. We were able to pull the after-market components off the car and develop a calibration for a completely stock vehicle and then to add components and build calibrations for each. Just as we were finishing with the parts we had access to, we got a call from a popular Fiat 500/Abarth retailer/after-market component manufacturer that was very interested in developing calibrations for their parts. They are currently developing maps and getting kits out to their beta-test group... we'll let them make their own announcements, but it should be happening very soon. Rumour is they'll also be producing calibrations for the 500T as well...

No Footprint

With The Unichip there is no footprint. If you take your vehicle to the dealer for service work you can easily remove the Unichip which leaves no footprint that the Unichip was ever installed on your vehicle

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