STD Tuning Engine OM642 CP3 upgrade

OM642 CP3 upgrade

OM642 CP3 upgrade

 View a Printable Version
 
  • 0 Vote(s) - 0 Average
 
WSchotty
Find
K26-2

43
04-23-2017, 01:29 PM #2
Reply
Reply
After monitoring pressures while driving with the new pump, I have come to the conclusion that this is not something you want to do unless you swap the remainder of the fuel system from the later om642 engine also. Peak observed rail pressures are around 26000psi, which will accelerate wear on the injectors and cause the rail relief system to fail. I'm going to just swap in a new pump of the original style, and shelve this idea until I have an actual om642LS engine to play with. In theory you could change the rails with the higher pressure system and run the old injectors, but there does not seem to be that much of a performance improvement for the cost of all the upgrades which are required.
WSchotty
04-23-2017, 01:29 PM #2

After monitoring pressures while driving with the new pump, I have come to the conclusion that this is not something you want to do unless you swap the remainder of the fuel system from the later om642 engine also. Peak observed rail pressures are around 26000psi, which will accelerate wear on the injectors and cause the rail relief system to fail. I'm going to just swap in a new pump of the original style, and shelve this idea until I have an actual om642LS engine to play with. In theory you could change the rails with the higher pressure system and run the old injectors, but there does not seem to be that much of a performance improvement for the cost of all the upgrades which are required.

Reply
Reply
 View a Printable Version
 
  • 0 Vote(s) - 0 Average

Messages In This Thread
OM642 CP3 upgrade - by WSchotty - 04-17-2017, 05:22 PM
RE: OM642 CP3 upgrade - by WSchotty - 04-23-2017, 01:29 PM
RE: OM642 CP3 upgrade - by starynovy - 04-23-2017, 02:51 PM
RE: OM642 CP3 upgrade - by Turbo - 04-23-2017, 03:03 PM
RE: OM642 CP3 upgrade - by WSchotty - 04-24-2017, 02:37 AM
Users browsing this thread:
 1 Guest(s)
Users browsing this thread:
 1 Guest(s)