Originally Posted by thamax
I understand they are totally different setups. rpms is everything on boats! all the gasers spin at 5-5200 rpms while the redline on this dmax is somewhere in the high 3000-4000k so alot of difference that is my point there. yanmar 6LP is rated up to 3800 rpms! they still build them check there website out yanmarmarine.com
The LMM Duramax has a Redline of 4700 rpm. We have limited the Redline through tuning to 3300. We increased the out put speed of the prop with the new V-drive ratio. More adjustment can be made with tuning and prop selection.