Found a couple of old posts relating to this but they don't offer an answer plus we're many years on.

Got a 2.0 Silvertop Zetec in a Mondeo for out and out race use so mpg not an issue.
ORCi rules dictate I can run a twin choke Weber either 32/36 or 38. I've got recommended jet sizes for the 32/36 but would the 38 need bigger main jets and if so would I then risk over fuelling?

Ignition systems: I have a choice of NODIZ or Megajolt (or anything else you can think of) but all I'm getting is "They're shit." "They don't make much difference." etc etc.
Car needs to be responsive and get to peak power as quickly as possible, preferably without blowing it apart!

Any thoughts greatly appreciated.

Regards
Tony