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4L HEMI Camshaft Upgrades, 6.4L HEMI Superchargers, and 6.4L HEMI Intake Manifolds. We also have individual upgrade guides on 6. In this guide, we’ll discuss a few of the common 6.4 Hemi engine problems along with overall thoughts on reliability.įor more general information about the 392 HEMI, check out our 6.4L HEMI Ultimate Engine Guide. Though, no engine is flawless and there aren’t any exceptions here. The 6.4L Hemi is also a pretty strong, reliable engine. However, it remains a powerful performance engine.
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Power output for factory cars comes in a bit lower than the crate engines. It wasn’t until 2011 that Chrysler actually began selling cars with the 6.4L V8 Hemi engine. This variant is the crate engine under the name 392 HEMI. The Chrysler 6.4 Hemi debuted in 2005 with 525 horsepower and 510 torque.
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