Me, I snatched on ebay an analogue set of VDO gauges for 50 quid off some Westfield, and then bought a digital, metric VDO Vision speedo for 230 more pounds or so.
https://goo.gl/photos/KFoa2iWsToM6MxCh6
But before that I drove for a year or two with the Sierra's cluster. I used quick epoxy and later hot melt glue to stick the cluster to the piece of perspex, but it kept falling off.
https://goo.gl/photos/N3nep2Q7E57oy4xg8