Don't see much wrong with it to be honest. If you want to make your car go faster, it makes sense as there are lots of these engines about and seems to be plenty of expertise out there. They can make decent power too. Vauxhall engines in MK2 Escorts is common in the rally world as, again, it's a cost-effective way to do it. As others have said, I can see why it might upset people if it was a factory Cosworth, but it isn't, so who cares. Fair play for making something a bit different that does the job, while avoiding "RS tax" along the way.

Having driven an Astra J VXR a couple of years ago, there was nothing "Poxhall" about it. I'd take one over a MK3 Focus ST all day long. But then I'd take a Megane RS over either. I used to be stifled by the Ford blinkers, but I managed to take them off a few years ago. Fords of a certain vintage will always be close to my heart, but there's a big world out there. Sounds like a few people need to try it