I have a g40 psd i believe 51mm throttle body i can here the micro switches working and ran fine on my g40 last year.polished brv £100 plus postage
(http://imageshack.us/a/img163/1663/3ijx.jpg)
(http://imageshack.us/a/img199/6966/cio.JPG)
g40 metal water pipe came from my g40 as i had already bought a brand new 1 bit rusty on the outside but pretty clean on the inside £10 plus postageg40
(http://imageshack.us/a/img5/6475/iuwn.jpg)
g40 full blend charger needs a rebuild due to oil seal gone but until seal went boosted well £150 Plus postage
can get a pic if required and if you interested send me a pm and ill get postage prices
cheers
Luke