Conversion to 5spd or 6spd better for Duramax?
Quote:
Originally Posted by
BigRabbitMan
The question of the day is whether I should go with a 5 speed or a 6 speed. With my present rear end and wheels, which I will not change, the 5 speed would put the Duramax LBZ at about 2200 rpm at 65mph. The 6 speed would put the engine at about 1900 rpm.
To all of you Duramax folks that run with loads in that range a lot of the time, where should I target my RPM? Reasons?
Have changed the title to reflect the current question.