Here's a TDI queston - page 2 - TDI Engine -General Info - VWDiesel.net The IDI, TDI, and mTDI source.

• #15 by hillfolk'r on 21 Dec, 2006 19:28
• supposidly when i got the race 520's they were the "largest" nozzles avalable at the time
  they were pricey,but now since the power is great,im not complanin so much
  check em out at
  kermatdi.com
• #16 by RabbitGTDguy on 22 Dec, 2006 06:51
• yes...def. not for the faint of heart. I can't wait to have mine in and really feel things on the car. Its nutty now...i can only imagine...hmm, now coming up with the $$$
  
  Merry Christmas!
  
  Joe
• #17 by deezul ryan on 26 Dec, 2006 12:22
• sounds like i will go with RACE 520s and a aaz ip.  time to gather parts!