Up to a 50% gain in horepower from a bolt-on kit? Yes, please.
It's no secret that pickup trucks have gotten bigger over the years. That's good for occupant safety, not to mention passenger and cargo space, but here's the thing: moving that much mass with anything resembling expediency requires a lot of power. It's a good thing that GM's 355-horsepower 5.3L and 420-horsepower 6.2L V8 engines are as potent as they are, but every truck motor can always use a bit more thrust.
ProCharger deals in centrifugal supercharger systems which, like any mechanical system, come with both pros and cons. Centrifugal superchargers aren't capable of providing boost from very low rpm like positive-displacement-type superchargers, but they tend to operate much more efficiently, meaning there's a lower impact on fuel economy when you're not hammering on it.
ProCharger's new kits for the Chevy/GMC full-size trucks were redesigned specially for the application, from the pulleys to the intercooler, tubing, and ECU tuning. In fact, that ProCharger can provide a kit like this at all is quite remarkable, given how hard GM worked to make its latest ECUs completely secure and tamper-proof.
The result of all its specially tailored development work, ProCharger says, is up to a 45-50% gain in power with 8 psi of boost, running pump gas with the factory fuel injectors. That's substantial, and if true, it would take the bigger of GM's V8 truck engines up past 600 horsepower. The system installs in just hours - not days - according to the manufacturer, and can be completely removed should you choose to return to factory stock.
If you've been holding out for a good power-adder kit for the 2019+ Chevrolet Silverado and GMC Sierra, these new ProCharger kits might be just what you've been waiting for.