Hi Thanks’ for the information. The engine has been a lot of work and I have got nowhere. Originally it lost power and then refused to start, since then the injector has been reconditioned, the fuel pump has been recalibrated, a reconditioned starter motor has been fitted and finally a new piston and rebore and now the oil pump has failed and caused damage to the new piston, so I am cutting my losses putting a new engine on, but of course dimension’s, rotation, revs and power have to be similar. I will look into the Lombardini engine.