if it was 2wd i would be looking at honda as they have motors doing 9000 rpm / 100 bhp ltr stock without boost. butu would have to use hoda gearbox as iirc they spin backwards

the attraction of vhauxhall engines is there cheep and i work with them more than probaly any other petrol engine, anyway crancks out the ABF again and will be haveing a quick poish monday ready for refitting and another go