Forum Discussion
Jim_Norman
May 09, 2017Explorer
From what I've come to understand the 6.7 was recently upgraded to 360HP/800FtLb and it has some mount of get up and go. It is also now generally coupled with an Allison 3000. If you have the older configuration with 340 HP/600FtLbs and a 2500 Trans, you may experience slow go on hills. you should also check the GVWR and the GCWR to make sure you are not over loaded.
On long hills, regardless you want to be in what ever gear you need to be in at what ever speed that give you in order to keep your RPMs at or slightly above 2000. This should provide the airflow you need to keep it cool. It may mean you go up certain hills at 30mph.
On long hills, regardless you want to be in what ever gear you need to be in at what ever speed that give you in order to keep your RPMs at or slightly above 2000. This should provide the airflow you need to keep it cool. It may mean you go up certain hills at 30mph.
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