Not really at all mate.
For a start the vr6 you raced was probably sh!t.
There is very little difference between a corrado and golf vr6, in reality most golf vr6 rolling road at around 190bhp, the reason i bought the golf is i have a family.
If you actually drove a decent golf vr6, you would see that a mk2 16v wouldn't stand a chance!
And yes i have owned a few valvers, they corner much better (only if both cars are stock suspension), in a straight line there is no comparison.