Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
Cummins 5.9 Performance questions
#4
Thanks. Yes bottom was relatively clean. The engines seemed to run well but couldn't make it above 2600, so maybe it is overproped. I have a mechanic checking it. So, if a diesel runs longer term at lower RPMs what kind of issues are created? Thanks.
Reply


Messages In This Thread
RE: Cummins 5.9 Performance questions - by mggilmorern@gmail.com - 09-12-2021, 02:38 PM

Possibly Related Threads…
Thread Author Replies Views Last Post
  Blown Valve Seat on a my starboard 2005 Cummins 6CTA8.3L-480CE with only 1061 hours Another Tradition 1 982 07-29-2026, 02:41 PM
Last Post: hiccup
  Tiara 4000 Express Cummins 6CTA 8.3 In-Frame Engine Rebuild Jack Aperio 3 2,981 05-23-2026, 03:27 PM
Last Post: Capt. Paul
  [Tiara Open] Cummins 6BTA 5.9 Diamond Series Engines Fishy_Business 2 1,253 12-12-2025, 12:02 PM
Last Post: Fishy_Business
  2007 3600 Open QSB 5.9 380 hp Propeller and Engine Performance Test today Roweje 1 1,371 08-06-2025, 09:41 AM
Last Post: Sapphire
  Cummins 6CTA 8.3 Engine Rebuild - Additional Photos Jack Aperio 3 2,506 07-08-2025, 09:41 AM
Last Post: hiccup



Users browsing this thread: 2 Guest(s)
Advertisements

Latest Threads
89 3100 convertable
Last Post: hiccup
Yesterday 06:13 PM
» Replies: 2
» Views: 926
Remodeling complete for MarineMax store ...
Last Post: hiccup
Yesterday 06:13 PM
» Replies: 6
» Views: 14234
Anyone using a cordless robot cleaner on...
Last Post: hiccup
Yesterday 06:10 PM
» Replies: 2
» Views: 69
Which sofa holds up best with dogs and l...
Last Post: thomasbrown
10-28-2026 10:32 PM
» Replies: 0
» Views: 51
Seriously considering a '98 4000 Express...
Last Post: Gustaf
10-28-2026 01:07 PM
» Replies: 7
» Views: 966