It looks like the fact it could move up the rail is too high.
Need to reduce the length of the spacers, assuming there are spacers.
How much pressure did you apply for the leak test?
Can't tell shit from those photos aso what is happening except it is wrong. The last photo is sort of handy, take another one like that of the other bolts
Now knowing that it worked I am happy to take credit for the drill bit suggestion. It definitely makes it look a whole lot crazier, so that has to count for somthing also!
It's not rocket science. How big a ratio cahnage are you looking at? 20%?
Surely you can figure that out on a speedo....
Just get a gps heads up speed display.