ok this is for a mates car, his got a vr 5l and the booster/master is shot. I have a vs v6 booster and master sitting in the shed here. Are these interchangable???
nope. buy a vr unit from wreckers or ebay.
boosters get a bit tricky, as they were same on vn/vp/early vr, then changed for later vr, then changed again for vs on.
think I got that right.....
How couldnt it fit ..they are the same car dimensions wise...the brake lines are in different positions ( front lines to the rear of the cylinder and rear to the front on vs...vise versa on a vr) but you can just bend the lines to suit.
I use a vt booster and master in my vr and it fits ok with some modifications but the majorpart of the install is the repositioning of the brake lines to suit the new cylinder.
The booster for a v8 on a vr is dual diaphram ...not sure what your spare vs one would be but the size would be how you could tell.