with the stg 1 and original wastegate actuator, i set it up as per the instructions and i had a 1.5 peak with 1 bar held dropping off slightly to 0.9 at the top, which i though was pretty goood, its only when we tried settin git up to give a 1.9 peak with 1.5 held, that the problems arose, we wound it all the way bar half a turn and it made no difference, then literally the last half a turn took it to just over 2 bar peak, back it off a smidge and back to 1,5 peak,

after many ajustments we came back to msd and checked the pressure on teh wastegate actualtor, as it was the original one (12 years old) it was very weak in deed, so stu fitted a -34 and plunbed back up the factory boost piping with a bleed valve in the bleed off pipe to give us some ajustment, spot on -( anyone would think he did stuff like that for a living... ) up the road and the boost levels were spot on as was the fuelling all teh way through the rev and up the gears.

no doubt though you could have got the sameresult with the reg setup with enough time, but i was paying for stus time at the time and just wanted the car to run right,,, so i opted for the easy option and went back to closed loop boost control with the factroy lectron valve, that way, if a fault does occur, boot will be limmited as per the program on the chip.