Thanks lads...........
Jim,
All I do matey and it works well.
Boiling water, smudge neat green fairy liquid into the parts. I use a lot. Then put again a lot of fairy in the boiling water. Try not to make bubbles in the water, just make it the colour of fairy liquid your using.
Then place your parts in the water, leave over night. Then just take parts out the water the next day. Then more neat fairy on the parts then scrub with nail brush or tooth brush.
I then rinse in cold water, go again with fairy until your happy.........
WHAM BAM !!!! WHITE PARTS........