Benn 304R,
would leave the standard stuff in tbh see how it goes.
Thats what I was planning to do... what I was trying to assertain was how long it would be before I would be taking it out again
Mike, I'm unsure on turbo yet

... MAY more than likely be a T34...
Re my current box, I have already blown the original box up this year... (3rd gear), so its already had a replacement box, though just another bog std one