my m8 has one of these still a 1.4 it runs 21 psi boost all day long and when the boost is wound right up he's running 2 bar!!! the thing has never blown up yet i'm guessing the block must be long studded cause they're prone to blowing head gasket when the boost gets screwed up the thing ran low 14's at crail he bet a guy in a stage 3 cossie(but the guy did say he was running a standard accuator as his -34 was fooked!!)the cossie whipped him off the line but the cossie wasn't able to run high boost due to the fact of his accuator still looked damn impressive..even though i'm a ford man myself..my mates 5 has a host of other uprated goodies on it as well hybrid t25, fmic,group a carb,etc,etc...i prefer your s1 though m8