I think you're correct in that getting the delivery valves right is primarily going to result in (1) no external leaks and (2) a smooth idle. No tuning aspect to the job. There must be some other work (other than the glow plugs) that is responsible for the change in performance.
------------- Max Charleston SC _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com