There’s simply one thing about seeing a scorching rodded huge rig on the dyno that will get our dander up. On this case it’s a Peterbilt on the famed Pittsburgh Energy firm in Pennsylvania. The truck has come into the store as a result of it has a bizarre hesitation when pulling hills and when the motive force is working the rig with a load on its again. The proprietor needs to see if the blokes can determine it out. Now, this isn’t simply any ol’ Peterbilt. It’s a working truck however one which has a modified Caterpillar 6NZ engine that makes 1,000hp on the flywheel and as you will notice, when operating appropriately 2,600 lb-ft of torque on the wheels!
The cool a part of this video isn’t just watching the dials spin on the dyno for example the immense energy that the truck is making but additionally seeing how the blokes sort out and diagnose this concern. We discovered stuff about diesel gasoline techniques and what some bother indicators are by way of data and diagnosing an issue may be.
The C16 6NZ engine on this truck has been hopped up with some marine components just like the camshaft and calibration. These engines apparently are extra aggressive and when mixed with extra gasoline and extra enhance, this factor actually sings. The enhance just isn’t loopy at 44psi however that’s nonetheless some fairly good push for the pistons.
The C15 6NZ is a 15.2L six cylinder which weighs some three,000lbs. They’d manufacturing facility scores as much as 625hp so this engine had loads of guts when it was new however it was nothing like the hearth breather it’s now. With a 5.four″ bore and a 6.75″ stroke, it’s no surprise that it makes torque like a locomotive.
Benefit from the video!
Press play to see this mighty huge rig dyno check and tuned for efficiency –
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