The most powerful Chevrolet Silverado comes with 420 horsepower. That is obviously not enough for some who can't settle for a farm truck with good gas mileage on the highway. The owner of this Silverado desperately wanted more, so he went ahead and asked for it. The tuner performed an engine transplant on his vehicle and let him drive home in an 850-horsepower bad-to-the-bone Silverado.
Mr. Stiffler took his Chevy Silverado to a tuner. He wanted more from the stock pickup truck that he bought, and he knew he could get more. He has done it before with the 2019 Chevrolet Corvette ZR1 that he got home.
Two years ago, he took it to Late Model Racecraft for a power upgrade. He wasn't satisfied with the sports car that had already come off the production line with 755 horsepower.
He sent it to LMR and took it home with a mind-blowing 1,000 horsepower as if he anticipated what Chevrolet was planning with the insane 2025 ZR1. Set in motion by a 5.5-liter turbocharged V8, the all-new ZR1 rocks 1,064 horsepower and 828 pound-feet of torque.
This time, Mr. Stiffler did not bring in a sports car, but a workhorse. He brought in a 2019 Silverado. The most powerful ICE Silverado in the lineup comes with a 6.2-liter V8 engine that pumps out 420 horsepower. But that is a thing of the past.
Photo: Late Model Racecraft | YouTube
Now, the five-year-old Silverado may still look every inch a bone-stock truck because there is really nothing that hints at the power it comes with when you see it at a stoplight. However, it is anything but that. But that changes when you pop the hood.
The Late Model Racecraft team extracted the original engine, they planted a 377-cubic-inch short-block in it. The original pistons and rods would have not been able to support the extra boost.
They upgraded the fuel system and came up with a 3.0-liter Whipple supercharger and a new exhaust system. The mufflers make it quiet so that nobody can guess what is under the hood.
With all the mods performed, the truck got over 900 horsepower. However, it is a comfortable cruiser on the highway from Monday to Friday and can put other vehicles to shame at the drag strip on the weekends.
Mr. Stiffler is not the kind of guy who parks his cars in a garage and occasionally dusts them off. He drives them until their wheels fall off. The LMR team makes sure that the vehicle is safe once it drives out of the shop.
In a two-wheel drive, the truck leaves black rubber marks on the ground. It spins the tires up to 60 mph, and "it is fun as hell to drive," says Steven Fereday of LMR.
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