PROJECT FIAT 124, Testing, Measurements, Dyno, etc

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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby Brian » Sat Jul 15, 2017 5:18 am

Just drove the first complete ECU reflash that came available to our Fiat 124, and WOW...a nice improvement. More details and dyno soon but first impression is that onset of power is massively smoother. I sort of figured the lumpy onset of power was just the price of using a turbo, but a good reflash smooths it out.
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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby jpwfz6 » Sun Jul 16, 2017 10:28 pm

Looking forward to more info on this. The ECU reflash is one mod I have been holding out on due to a lack of dyno backed results.
Hopefully this flash will have some results that justify the price of admission.
As always Brian, thanks for going the extra mile in supporting us 124 guys! :D
Jason
Victoria, BC Canada
:( Sold: 2006 Winning Blue, 2.5L, Progress springs, KYB shocks, Michelin PSS, Full GWR street exhaust.
:D Current: 2017 Fiat 124 Abarth, Rosso red, M/T, Progress springs, Wilwood BBK, Full GWR exhaust
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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby Brian » Mon Jul 17, 2017 7:49 am

We plan to get the Fiat back to the dyno later this week.
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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby Brian » Mon Aug 07, 2017 10:33 am

Fun overlay of the power race between our Fiat and ND Miata projects. Miata has our full longtube header and highflow muffler setup and reflash, Fiat has our complete exhaust system PLUS prototype highflow converter and piggyback from Madness. As you can see, though the Fiat runs out of steam early compared to Miata, and though peak hp is VERY SIMILAR at 178 vs 180 for Miata, the Fiat has a pretty massive midrange torque advantage.

DynoShootout.jpg


Now that we are working on full ECU reflash the Fiat numbers are up even more, will post new dyno as soon as we get the reflash complete.

But the Fiat is heavier....by precisely 100 pounds. These measurements with gas tanks full, no people in the cars, STR 17x9 wheels with big 245/40 Rivals. The Fiat's turbo contributes to it being so heavy at driver's side front corner. Both cars FULL TANK of gas for this measurement and weighed with no driver. Worth noting that neither is a base model. Our Miata is full option GT, even the seat heaters and leather, because that was what Mazda had the week the ND was released and we were hungry to get started on development. Similar story on the Fiat, Classico but loaded with technology package, etc.

Fiat 124 Weight
FiatWeight.jpg


Miata Weight
MiataWeight.jpg
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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby klikai » Thu Aug 10, 2017 4:20 pm

Brian wrote:Fun overlay of the power race between our Fiat and ND Miata projects. Miata has our full longtube header and highflow muffler setup and reflash, Fiat has our complete exhaust system PLUS prototype highflow converter and piggyback from Madness. As you can see, though the Fiat runs out of steam early compared to Miata, and though peak hp is VERY SIMILAR at 178 vs 180 for Miata, the Fiat has a pretty massive midrange torque advantage.

DynoShootout.jpg


Now that we are working on full ECU reflash the Fiat numbers are up even more, will post new dyno as soon as we get the reflash complete.

But the Fiat is heavier....by precisely 100 pounds. These measurements with gas tanks full, no people in the cars, STR 17x9 wheels with big 245/40 Rivals. The Fiat's turbo contributes to it being so heavy at driver's side front corner. Both cars FULL TANK of gas for this measurement and weighed with no driver. Worth noting that neither is a base model. Our Miata is full option GT, even the seat heaters and leather, because that was what Mazda had the week the ND was released and we were hungry to get started on development. Similar story on the Fiat, Classico but loaded with technology package, etc.

Fiat 124 Weight
FiatWeight.jpg


Miata Weight
MiataWeight.jpg


It seems like to me that the MX5 did consider when the passenger sit in that the weight distribution from left to right would be perfect

In 124's case that the left side is going to be even more heavier.

That IMO will defiantly effect the handling of the 124
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Re: PROJECT FIAT 124, Testing, Measurements, Dyno, etc

Postby Brian » Wed Aug 23, 2017 10:25 am

Pics from last BMW Club event, got to drive customer car with our full exhaust system and other goodies...it was fun. I will miss the Saturday event this weekend, but plan to be at the SUNDAY BMW CLUB event.
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