first off, just plain hi, listen, i really want to jump this thread and heres why, but i gotta give you the readers digest version because i love this stuff, nd i get long winded. for the record, among our other stuff, i have an e-350 van with the mighty 300 6 that has been my right arm for over 15 years. been through many egrs. i cant go into legal smog test different state stuff, thats every mans personal descision. but i do know this. rjm injection technoliges. found this co on the 335 series forum sells an egr block off plate PLUS a trick little plug for the harness that tricks your computer into thinking your egr is installed and functioning, in todays world you have to keep the computer happy or you can get mired in sensor issues. i really think you should just check it out. you never know. good luck paul md.