I have been offerd a power valve off a corsa, but don't really know much about them are they just for injection models or can they be put on carbs? or should i just fiddle with the mixture on my carb and get it to run lean ? Cheers Joe

Wont work on a carbed car will give it way too much fuel pressure, the pump wont be able to deliver what the regulator is regulating!! lol
Adam