Thanks for the quick replys lads
-I imagine plugs would be seated fine (didn't do it myself tho) and heat range 7 i believe. Car revs fine up until the point it cuts out (if that makes sense).
-Would have thought car would run leaner now that it has a better spark (new plugs, decent coils) not richer, but running leaner could be a possiblity- no audible knock but doesn't mean it isn't there..... Tune has not been changed or anything like that. Just the plugs and coils were done. Dont imagine that these changes alone would be enough to make it run safe (on my last dyno run a couple of months ago) to dangerously lean unless my fuel pump died all of a sudden.
-Definatley describe it as 'violently' cutting out, its not a blip in the rev range, the car comes on boost, then just cuts out for a second, then runs fine again, then cuts out again...
I'm thinking fuel cut as if i keep my foot down the time it cuts out is always the same. ie. it revs...then cuts....wait 5 secs, cuts out for second again,..wait 5 secs, cuts out again etc...
Seems wierd that its happening at such low boost tho, where does the ecu get its boost signal?? (some small hoses were replaced with silicone ones in the process, was wondering if these would cause it aswell).
Tomorrow i'll make sure theres no disconnected hoses, plus i'll do a ecu reset and wind my bleed valve back to the lowest setting.