If youre not looking for custom tuning for your L5P Duramax, there are currently a handful of tuning options you can use to increase power on your L5P. Same test, same rules, and I believe the same $$, so I don't see why they have the differentiation. This further helps lower engine temperatures and increase reliability. 16K# towed behind my C4500 pushed enough to overcome the grade braking of the Allison on an 8% grade. A friend researched the question: He believes a point comes where it's more about rear axle weight than Gross Combined weight. With 445 horsepower and 910 lb/ft of torque, the L5P Duramax is capable of towing just about anything you can throw at it. 2020 L5P Duramax trucks can tow 52% more than the previous model years for a total of 35,500 lbs. The relationship between driveshaft revolutions per minute and the rear axles revolutions per minute. function initArray() { ^$#*vJA0n S :Q7xX;os Take a look at one of our other LBZ resources by clicking on one of the links below. while (currentnum == randnum) The smallest size produces 215 horsepower at 2,200 rpm and 560 pound-feet of torque. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]>>/Rotate 0/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>>