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What you need to do is find a 120 series Volvo and steal its brakes.
You need the front brake disks and hubs, the caliper brakets, and the calipers themselves.
The front wheel bearings are identical between 120 and PV so the disks and hubs will fit straight onto the PV stub axle.
There are three main ways of doing this. The most common way is to install the disks in the same orientation as they were fitted to the 120. You need to re-drill the caliper bracket because the mounting holes differ. Normal practice is to swap the mounting brackets from side to side, ie you use the left 120 bracket on the right of the PV. Everything else stays where it was.
The problem is that the caliper now occupies the space where the shock absorber is. You can "solve" this by taking the shock mounting bracket out of the upper wishbone and upright and refitting them so they now face forward. The drawback to this is that the bottom mount of the shock interferes with the steering arm on full lock, restricting your turning circle. Lots of people run like this.
Leonard who frequents this board installed his disks as above but got round the interference problem by re-locating his shock absorbers.
I chose to go a different route. I get the holes in the caliper bracket welded up and weld two ears onto it. I then mount the calipers at the front, meaning the shocks can stay where they were, I can send you some pictures if you are interested.
I would also swap the rear brakes to Amazon spec. These bolt straight on, also use the limiting valve to the rear brakes from an Amazon.
Regards
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