So, all planets have aligned, and the Punto is pretty much done. I had a lot of work done on it, I'll have a short list here:
-> I've changed the problematic right side drive shaft, unfortunately, this was a lot more work than anticipated. The new driveshaft was made for a Fiat Doblo mk2, and was too long (930 mm vs 921 mm). I had the outer shaft shortened, machined and TIG welded. The vibrations are a lot less upsetting right now. We'll see how long it's going to last.
-> New clutch, release bearing and flywheel.
-> New timing belt and water pump.
-> New steering arms with new rods and links.
-> New alternator belt.
-> New coolant expansion tank.
-> New drilled Brembo XTRA line disks on the front, and Brembo OEM in the rear.
-> Added a K&N drop in filter
-> Mounted new Eibach 12 mm wheel spacers with longer bolts front and rear.
-> Added a metallic engine splash shield (car is quite low and I don't want to damage the oilpan).
-> Oil and filters. Motul Abarth spec 10W50 + Liqui Moly Ceratec, and Motul 80W90 with Liqui Moly Gear additive.
-> Lots of details, used some rust converter on any suspension, thing that was showing even a tiny bit of rust, oiled the shifter linkages as they stick a bit (they'll need replacing).
-> Alignment
I managed to buy a new set of identical rims, but in a lot better shape, without any curb rashes.
I'm very happy on how this car turned out. I love it, and every time I go for a ride, it puts a smile on my face. It's an undercover Abarth Grande Punto SS. With this new K&N filter, and especially the new flywheel (it's OEM Luk, but apparently it's a bit lighter even though it's dual mass), the throttle it's a lot more snappy and crisp.
It's not perfect (there are places where the car shows it's age) but for me it's good enough. I've yet to see a Punto in a better shape than this one

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Can't wait to do some trackdays.