Thank you for your helpful constructive comments on this.
As the system relies heavily upon momentum preceding the London open and is therefore time critical.
May I ask if this backtest you did made allowances for Daylight Savings Times here in the UK?
Some great posts from this thread ....
http://www.forexfactory.com/showpost.php?p=4408122&postcount=416
I like this guys modifications to the 'system' they seem to make sense to me ....
http://www.forexfactory.com/showpost.php?p=4399815&postcount=360...