youngoldbloke
The older I get, the faster I used to be ...
OK I've sorted it just gone through your OP and this is what it amounts to:The advice, Roadrash, was in my opening post.
Don't overdo it. Don't chat. Fit a mirror
Don't use drops. Don't wear black.
Dont ride with your back to the traffic (?)
Split into smaller groups to enable easier overtaking. (That's OK - but sometimes it is better to double up, thus creating a shorter 'vehicle'). Pull in and let vehicles past after 30seconds (?)
Wear Hi Viz
That can't be all can it?