Raised rear struts

Ok as some of you know about my 4x4 build, I want to raise the rear struts, my question is do I keep the center to center holes on the struts the same distance? Standard measurement is 101.5 cm do I maintain that thou im raising them by 15cm?

Cheers
Stib

I was thinking the same thing when I was looking at your other thread and was trying to think of a way to measure up. I was thinking if you got two straight edges and held them on the inside of each turret, sticking down underneath the car, then measure the taper from top to bottom, if there is any.