Ben,
Speak to Nick Hill about this! I have
The trouble with the webcon alpha kits id that the intake manifold is too big and this makes the trumpets almost touch the front panel right behind the radiator.
What i was thinking was asking them if they did a shorter one so that we would have more room for airflow but i never got round to it!
Once you have purchased the alpha engine management kit it needs fitting and then setting up at a dealer!
Hillpower charges circa £4,000 for his TBs, he uses Lumenition!
Good luck and let me know how you get on, still tempted
Mat.