Wow that's a lot going on under that bonnet blimey about twice standard output, I totally understand now the need for moderation.

p.s. You couldn't have started a more interesting thread if you'd tried we all love this kind of engineering stuff.

2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev