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Chrysler 6.4L 392 Hemi Engine (Design, Issues & Reliability)

Updated: Feb 2

✔ This article has been fact checked.

The 6.4L 392 Hemi is a naturally aspirated V8 petrol engine with a displacement of 6.4 litres producing 366-485 hp and 582-644 nm of torque, it is based on the 5.7-liter Hemi V8 design.

For the Ram 2500/3500 pickup trucks as well as the Ram 3500, 4500, and 5500 Cab Chassis, a new 6.4L Hemi SRT engine was introduced in 2014.

The 2011 Dodge Challenger SRT8 utilises this 392 Hemi engine.

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Chrysler 6.4L 392 HEMI Engine

Chrysler 6.4L 392 Hemi Engine Design

Like the 5.7 Hemi, the 6.4-liter Hemi is built on a deep-skirted, 90-degree cast-iron cylinder block. But these two engines' bore diameters and stroke lengths differ from one another.

  • The crankshaft of the 392 Hemi is made of forged steel and the main bearing caps are cross-bolted.

  • There are piston cooling jets in the 6.4 Hemi engine block.