I said "They dont require them" only in response to you saying use BP6ES. So you need to read what I've written !
You need to brush up on your knowledge on HT Electrics as now the leads are Inductive suppressed, not the older type. The Japanese car manufactures have had them since the late 70s as standard, as are the bulk of Ignition Leads sold by Minispares for the A Series.
I have just connected my car up to the Crypton and ran up 2 sets of plugs on the Oscilloscope, one Resistor and One Non Resistor, the leads are resistive inductive leads and on both sets the reading are between 18-20kv and no difference. The coils a Lucas Sports coil with a 27KV Max output, but there is only 18-20kv requirement to jump the plug gap at idle.
Edited by KernowCooper, 17 August 2013 - 02:16 PM.