Right need some advice now as i am getting totally frustrated,
Have set the idle to 0.7 with restrictor out, when cold set the LSN to stop when pinching feed pipe between 6 and 7 secs (in about 2 1/2 turns), HSN 1/4 in from flush, when wot hit the engine screems on the way down as if the throttle stuck open even though it is not and stays high for about 7 secs before slowing, engine then cuts,
Had no bottom end when racing totally holding back and poor top end, leaned bottom and top slightly and it improved, problem is engine cuts after every 3 - 4 mins racing.
7.5 mm restricter, 25% gen2 standard spacers in with extra spacer removed, T3 turbo plug, engine has about 2.5 gallon through it now and can still hold its weight if held at 3 0 clock.
Have tried the tuning method given by MM but struggling with it still, can honestly say I have not had a good tune since having the engine but appreciate its my tuning thats pants, any advice please as my head is aching from hitting the wall.
Have checked for air leaks and changed the HSN o ring recently.