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Read your story. Well written. Enjoy in good health

Pete
 

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Discussion Starter #5
Essential...really? Same as ammo stores?

But really nice color! Get it out of there before the flash flood!
Yeah, the car dealers have some serious lobbying power ergo they are essential services.
Fortunately no flash flooding, but it's been drizzling since I've bought it. Not ideal joyride weather.

Read your story. Well written. Enjoy in good health
Thanks!

Are you sure that's not Steph Schrader's Puffalump?
Her what?!? Oh you mean the purple elephant? That's just a random stuffed animal I grabbed from the closet to model the mask for me ?
 

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Yeah, the elephant. She used to write for Jalopnik and I think is now at The Drive. Funny person.

 

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Discussion Starter #7
Went for a nice long drive yesterday. Obligatory bluebonnet photo...

 

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Discussion Starter #9
The 124 was just too muted for my tastes. I slapped on the open axle back from Auto Ricambi. One of the easiest exhaust mods I've ever done. Sounds great, and shed a few pounds!

 

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Discussion Starter #10
The 124 came with 16x6.5 wheels wearing 195/50 Yokohama Advan Sports. First of all, that's a bit too skinny. Secondly, those wheels weigh 18lbs each despite being so narrow. I bought a set of 16x7 O.Z. Alleggeritas, which weigh 14lbs each, and wrapped them in 205/50 RE-71Rs. I didn't want to put huge wheels and tires on the car because I wanted to keep unsprung mass to a minimum, and I didn't want to over tire the car. I like it's light and nimble feel.

The new wheels and tires were an improvement. How much so? I tested them out...
 

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Discussion Starter #11
]

The Chipbox by Seletron is a simple power adder. On the 124, it connects to the Boost Absolute Pressure Sensor (Bosch 281002996, PREX1), Intake Manifold Pressure Sensor (Bosch 281006028, PREX2), and the wastegate solenoid (Pierburg valve). The box intercepts data from these sensors and manipulates it to produce more power.

I emailed Seletron asking them for more info on the box’s operation, and received this reply:
Fuel trim is a consequence of the manipulation of the air pressure signals Prex1 and Prex2 and pierburg valve.
By letting more air inside the combustion chamber the fuel quantity has also to increase in order to maintain an optimal fuel-air ratio (the lambda sensor will inform the ECU that it has to compensate).
Furthermore, the ignition timing is also adjusted by the ECU to prevent misfires and, again, make sure that the combustion is complete.
Based on this very high level explanation, I assume it just shoves more air into the engine and lets the ECU’s built in closed loop feedback do the adjustments.

Amusingly the packaging proudly touts that it is made in Italy, however the Chipbox itself sports a China Export mark.



The installation instructions are a bit simplistic. More details would have been nice, but I’ve resolved that issue for y’all with the video above. Overall the installation was easy. It took around 30-45 minutes, most of which was spent getting access to the Boost pressure sensor.



The good news is it did make a measurable difference in acceleration. I captured the 40-60mph, 60-80mph, and 80-100mph times while in 4th gear. This provided nice coverage of the rev range from 2400rpm to redline. Results posted below… It averaged a a 17% increase on the top end, which if we extrapolate from the factory horsepower of 160, gives us 187hp. Not too bad for a few hundred dollars and 30 minutes of work.





 
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