searay495
Active Member
- May 26, 2008
- 604
- Boat Info
- 2004 420 Sedan Bridge
- Engines
- Twin Cummins CTA 8.3m
480 HP
Hello everyone. Took my 2004 420 Sedan Bridge out yesterday and decided to "open her up." I have Cummins 6CTA's. I was alone on the boat with quarter tank of water and three quarters fuel. I think I'm supposed to reach 2680 RPM and was only able to obtain about 2460 RPM's. Any thoughts?