Special Reports: 2008 Power

Squat Test

Squat Test For our squat test, we took one of the 6,500-pound trailers and hooked each of the trucks up to it in turn to measure how much the rear suspension would compress under load. To ensure we only loaded...

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Extreme Traction-Control Test

Extreme Traction Control Test To complement the autocross, we also conducted an extreme traction-control test that examined how well the trucks could recover from a loss of grip. We placed the trucks’ right and left wheels on different surfaces with...

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Wheel Travel Index

Wheel Travel Index To complement our offroad test, we also measured rear-wheel travel. Wheel travel contributes to offroad traction by allowing a truck’s wheels and suspension to articulate over an obstacle while helping keep all four tires in contact with...

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Autocross

Autocross (Ride and Handling) While it’s easy to understand why we did quarter-mile and hill-climb acceleration testing, some might wonder why we ran half-ton pickups through an autocross course. The answer is that we needed to push these trucks to...

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Offroad Test

Offroad Obstacle Course Similar to our hill-climb testing, we had a choice with our offroad test: run it in on a real-world trail or in a controlled setting. We opted for the offroad obstacle course at GM’s Milford Proving Grounds....

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Braking

60 to 0 MPH Brake Test Our brake test was the simplest test we performed. We accelerated each truck to 60 mph then fully applied the brakes to find out which truck would stop in the shortest distance. We ran...

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Hill Climb

7.2 Percent Hill Climb (Loaded) The flat asphalt at Milan Dragway was perfect for testing level acceleration, but a pickup truly earns its keep climbing hills while towing. There were two ways we could have performed our grade testing. The...

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Quarter-Mile Drag (Loaded)

Quarter-Mile Loaded Assessment Hooking up a 6,500-pound trailer changed things up for the trucks, especially the GM trucks and the Tundra. With the extra weight on its tail, the Tundra settled down into an excellent power puller. The shift points...

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Quarter-mile Drag (Unloaded)

Quarter-Mile Test We rented the asphalt at Milan Dragway just outside Detroit to find out how fast and powerful the latest half-ton trucks are. The track features an IHRA-sanctioned quarter-mile dragstrip. It's perfect for determining performance over a fixed distance,...

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Wheel Travel

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