thanks for your reply mate

the car has been running like a bag of shit lately i was book into msd later this month but have now cancelled that due to checking this out tonight because i thought it was engine rebuild time which i cant believe has happened because the engine was rebuilt 12000 miles ago but the car was running 2 bar of boost for 374 bhp.

the symptoms that lead us to believe the rings may be done are the car runs like a bag of shit it was misfiring like mad when on boost i had it on rollers on monday but im not too keen on the place i took it to any way what i got told from them was it looks like a needed a new map sensor because the fueling was all over the place running rich on idle then running lean on boost but when it came on boost it was up and down but running lean. they ended up setting it up at 19 psi peak boost and holding 17 and it gave the car 256 bhp on a stage 3 setup they also told me that they would give it more fuel to try and eliminate the lean mixture at top revs.

so before i tarvelled all the way to blackpool to get it looked at me and my brother in law decided to start checking things over which the first port of call was the pressure in the bores and that how i think it needs a rebuild maybe just new rings i dont know but im looking to see what the bores should be at with low comp pistons to try and get things sorted out