You're either not searching properly or not reading through the results, people in the following threads have had success with synthetics on the M119....


http://www.peachparts.com/shopforum/showthread.php?t=21878&highlight=m119+synthetic

http://www.peachparts.com/shopforum/showthread.php?t=21237&highlight=m119+synthetic

http://www.peachparts.com/shopforum/showthread.php?t=38551&highlight=m119+synthetic