4/28 updates:
1) 2018 Golf R springs are here. Seller was a fantastic dude to work with. Install this week but it will be a few days (I'm buried in end of month work)
2) I'm registered for the May 8 track day @ HHR to make up for all that went wrong for the 4/10 deal.
Hindsight shows that, even if I'd gotten everything installed in time for 4/10, these lingering issues still would have prevented me from going. i.e. - I couldn't run my new chubby race tires and wheels with these front springs riding the bump stops.
3) Did a light shakedown pass yesterday afternoon at LCR (our local tail of the dragon)...and I stand by my previous research/vision:
...if these front springs were a half inch taller @ static, I would be in HEAVEN. Car is SO close to being dialed in!
The added rigidity from the solid aluminum LCAs and locking subframe kit make the steering and power application light years better.
Yes, it's common knowledge for a lot of folks on here - "rigid front end parts are moar good-er": just reiterating my satisfaction and enjoyment for anyone considering these upgrades, their merit, etc.
Currently looking forward to the improved ground clearance and ride quality from the Golf R springs (they'll raise me up about 12-15mm up front), and simultaneously dreading the IC install that desperately needs to happen.
I'll start with just the front Golf R springs, and keep the 400lb/in S3 rears I have. Ideal? Nope. But the ride height and spring rate have been solid so far on the rears.
I bought the rear 2018 Golf R springs as well, so I can go softer back there if I desire, but that's a step backwards in terms of track prep.
Basically, this is the end of the line: if I can't make these springs work for me, then B16 coilovers from FCP Euro get the nod (or ST XAs with custom spring colors)
That is all for now, folks. 10 days out from the true day of testing.
Thanks for following along thus far!