Addendum 2
Strut bearing differences with the GT/non-GT and the 2nd gen inserts. This has been reviewed before in the
Illumina installation (2nd gen Illumina to 1st gen conversion(and other things) HOW-TO), but it bears repeating.
There are 2 varietes of strut bearings on the 1st gen. The metal item on the left(found on GTs apparently) and the plastic item in the middle (Non-GT). The item on the far right is a 2nd gen bearing and can be ignored for this discussion
While the metal bearing fits in the upper strut mount and sits on top of the upper spring perch
The plastic bearing fits inside the upper spring perch and around the strut shaft.
Because there is a difference in the end diameters of the 1st and 2nd gen strut shafts, the non-GT plastic bearing will have to be bored out to fit over the 2nd gen shaft.