Yeh the current box is a 4 speed so its quite nice that I can retain the shafts which will save me a few pennies to spend on something else.

Will definately perform all the work to the engine before it goes in the car to make life easier. I was thinking of exhaust systems but if its fairly pricey I will just get that done at a later date. Ill probably go with a lightened flywheel aswell to improve the acceleration.