Some of the reasons of the compression loss was the bad thread on the old cylinder studs.
After carefull remove the old one's i had to fix the last (broken) thread.
Drill all the junk out, some studs positioning and a finish with 2K epoxy will hold it.
Time will tell! :-)
UPDATE: IT DOES NOT!!! USE A HELICOIL!!!
UPDATE: IT DOES NOT!!! USE A HELICOIL!!!
