Before I book it in at motorsport developments thought it was time to change the fuel pump loom, as it was struggling to get 12volts at the pump.
After making a new loom and fitting it's now putting 12.6/12.7volts to the pump
Just shows how the wiring can make a difference

Also need to get some new boot struts as mine are shot won't hold the boot up with the 500 spoilers on