What's that got to do with Dyanes?

Right, well weve had a look under the bonnet, and were not happy about our findings... The cars only done 10,000 miles, but the engines been replaced for a shitter lump. We were under the strong impression (i think dad was told) that everything was original. The engine is a later 602, low compression, with the wrong flywheel etc. Pulled out a spark plig and found lots of oil and half the thread of the head attached to the plug, in short its had it my spare engine is being pulled apart so dad can nich a head for his rear engine, so were an engine short now. Anyway, Few more pics-