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I wonder how much of the improvement was in the kit he chose, and how much was just putting new bushes, springs and dampers on. A V-reg car will have shagged-out suspension by now, as he found out.
I doubt he's going to buy another one the same and do the same job but one with brand-new Porsche stuff, but that would be an interesting comparison.
Yours being a convertible, and not so stiff, I expect you might need a more compliant setup?
bq-
A quick Google finds comparative figures for the 996 turbo, which is a different chassis but the delta is likely similar:
Coupe 27,000 Nm/degree
Cabriolet 11,600 Nm/degreeSo the lack of roof makes a difference, that's undeniable.
I believe the cab has softer springs, they're certainly cab specific (coloured rings identify them on the spring), I don't know what the respective spring rates are however, can vs coupe.
The Ohlins springs (for both) are 60 Nm front and 120 rear.
Dammit
Yes, he spent around 7k on parts+labour (if he paid retail) on the Porsche to make that video, the Ohlins are meant to be extremely good and seemingly (due to the dual flow valve magic) give a better ride than (for e.g.) Bilstein B6, whilst also providing more damping when it's needed.
This really does sound like magic however- so I'd like to hear from someone else who has them.