[aigel]

The nice thing is that they claim it is reversible and it uses a known good base.

The bad thing is that
a) it is a very expensive kit
b) future kits will be significant cheaper (battery cost decrease)
c) future kits will be having higher range (battery density increase)

If I read online information correctly, in the last few years energy density doubled. That means in 5 years this kit likely will get you 300 miles range at lower cost.

How heavy you think it is? Will it at all be toss-able? Will it need spring upgrades?

I recently was at Laguna Seca enjoying a track day. There was a Tesla Model 3 that had obvious suspension and tire work with some big meats. I could not keep up with it in the 993, surprisingly even in turns it was slightly faster ... maybe had slicks (vs. R compounds on the 993.)

G