right i have sorted the car out with most bits been done i went out in it tonight and its boosting better but not as it should be whan i drive nomal and take my time its find but whan i give it a bit it gos a bit but whan i slow down for a round about it cuts out anyone have any cue's thanks all paul

 

air leak maybe?

 

thats wot i am thinking but can not hear or found one

 

You got a dump valve?

 

yes mate dv26 twin piston

 

Try removing that and blocking the holes off.

Might solve your problem, might not, its something to corss off the list of possibilities

 

will do mate thanks