The 'race only' 392 HEMI will be the one to have...
Three different versions of the new 392 are available from Mopar:
• P5153604 392 HEMI Crate Engine – Carbureted, 540 horsepower and 490 lb.-ft of torque
• P5253605 392 HEMI Crate Engine – SEFI, 525 horsepower and 510 lb.-ft. of torque
• P5153603 392 HEMI Long Block HEMI Crate Engine
Technical specifications include:
• Deep-skirted cast iron block with cross-bolted mains
• CNC-ported aluminum twin-plug cylinder heads
• Stainless steel 2.100" intake and 1.600" exhaust valves
• Ovate wire (beehive competition) valve springs
• Viton competition valve stem seals
• 279°/285° hydraulic roller camshaft with 0.584" intake and 0.552" exhaust lift
• Forged pistons (4.055" bore)
• 10.5:1 compression ratio
• Aluminum single plane high rise intake manifold with holley 870 cfm 4-bbl carburetor for carbureted 392 applications (1)
• 4140 forged steel crankshaft - 3.795" stroke
• 4130 forged- steel I-beam performance connecting rods - 6.200" length
• SFI-approved competition crankshaft damper
• "Plug-and-Play" wiring harnesses (2)
• 80 mm manual throttle body on fuel-injected engines (3)
• Premium tri-metal performance engine bearings
• Precision balanced rotating assembly
• Distributorless coil-on-plug (COP) ignition system
Thats going to fly as they yanked the back end and replaced the IRS and put in a Dana rear. Looks pretty cool moving too;
http://www.edmunds.com/insideline/do/Features/articleId=120457