A note about gaps and Iridium - which i use in the Sigma 4/4 and classics as well. Thing is, i experimented with my old Rover P6 ( 2000) which also has Iridium fitted, by increasing the gaps from "out of the box" to wider gaps in the hunt for a fatter spark. Mistake! The car ran perfectly but was a real pig to start/fire up when cold. Re-gapped back and starting is perfect again. The coil pack idea is a good one - not considered that before, as i'd assumed they either work or not. Might try that - a spare is always good.
