Hi all am newbie to this and like the site I Own a 1997 vr6 and have just bought it with blown head gasket so stripped the engine head off found gasket gone and also noticed heat exchanger had gone and cam chain upper guide blade cracked so replaced that as well noted the problem with the car had been going on for a while so to cut a long story short when rebuilt started her up no probs apart from slightly high tick over and difficulty in bleeding water system of air so switched it off , now to the fault tried to restart it but no joy checked spark checked comp all ok so scratched my head for