^^^^
The glue is amaaaaazing! Methinks it's stronger than the alu (or "tin" as you call it).
Step 2 today.. Glue set overnight.. Fitting and pics tomorrow, unless my studio session goes on all day, then it'll be new HowTo improve an EVOMS cover thread (excluding repair details).
Re your gt28, methinks that Ray West is a good option - Ticks a lot of boxes. Nothing against APR, they have good products, but long distance relationships are nearly always tricky.