Yep but the pistons won't reach the deck height because the pistons are shorter from pin to crown. Check that out 1st. The R32 crank stroke is longer and the rods are the same length for both engines therefore the crown height on the pistons should be shorter on the R32. So if you use a 2.8 crank the pistons won't reach they deck height. It would have low comp. Maybe you can turbocharge then.
Hi mate. You best option is to import a doner Golf 3 vr6 that's being broken up for spares from the UK or import the parts from there. I've done that here in SA.