go to
www.mk2vr6.complenty of guides and info on there.
easier with a CE2 electrics golf (hazard switch on the column, not on the dash)
a guy called "duff" on mk2vr6.com sells solid front mounts to allow the original mk2 cross member to accept the vr6 engine without modification. i thnk the rear mounts need a bit of chopping to get them to fit.
this is all so much easier using a donor car, cos you can transfer the hubs/brakes etc over aswell.
standard digi (1.8 8v gti PB engine) fuel pumps will be fine on a standard vr6 engine.