was out in my car last nite was running spot on then i put my toe down in 3rd came on full boost and then an almighty pop which i thought was a boost pipe blowing off pulled over car only running on 3 cylinders no pipe off so crawled home. had a look today everything seems fine compression is slightyl down on the clyinder thats missing but only by 20 psi oil pressure is fine no smoke at all so could i off bent a valve? or anyone have any other ideas to what i have broke.

dicko