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Home / Technology / MOPAR Monster – 1000 Horsepower Factory 426 HEMI Crate Engine Released in 2018 SEMA Show # MTSEMA18

MOPAR Monster – 1000 Horsepower Factory 426 HEMI Crate Engine Released in 2018 SEMA Show # MTSEMA18

In the evening of Halloween at this year's SEMA Show, Mopar released the demonic, mother-in-law of all box engines that will scare the living hell out of his Motor City rivals. The new Mopar supercharged GEN III 426 cubic-inch HEMI monster, called "Hellephant", will hit 1000 horsepower and 950 pounds. of goliat stamping torque on 93-octane pump gas and to Pentastar faithfully, this check engine controls all the correct boxes. From its legendary cubic inch displacement, brand new aluminum block, massive superchargers and plug-in play electronics, many customers will be able to pick down their cool hard cash to install this modern world box HEMI between fenders of a 'dodge' Charger or & quot; 71

Plymouth & quot; Cuda.

Hellephant 426 Supercharged Mopar Crate HEMI® Engine is a Mopar first for a 1000-horsepower engine set offered by an OEM manufacturer.

To create an engine of this size, Mopar knew that they had to start with a new block, forged interiors and other components without assembly cards. The 1000 horsepower number was Morgan Mopar engineers shot for not only for bragging rights but to burning a rocket within the growing late-model HEMI aftermarket business that gains more traction year after year. In addition, Mopar's "Hellephant" is the first 1000-horsepower engine equipment offered by an OEM.

The man responsible for making 1000 horsepower Hellephant, is a leader of Mopar Accessory and Performance Parts Portfolio, Todd Beddick. He may also require Mopar 392 HEMI and 6.2L Hellcat HEMI box engines created under his watch, and many of the lessons he and engineers learned were used to develop this 1000 horsepower behemoth.

"With Mopar 345, 392 and" Hellcrate "6.2 Supercharged Crate Motors and Crate HEMI Engine Kits, We Started With Production Engines and Production Calibrations. With the Hellephant 426 Supercharged Mopar Crate HEMI Engine, we started from a very different starting point. We have been working on block development through our motorsport program, which served as the basis for this project. started with a 6.2 supercharged base, but demanded significant modification for this application, "said Beddick.

For Beddick and his happy band of Mopar maniacs, the Hellephant project did not happen overnight or on a whim. Much planning was about raising the bar for box engines by offering madness on horsepower on pump gas which is perfectly streetable. It's a daunting task, even for an OEM.

"It began four years ago when we charted the plan for the Mopar Crate HEMI engine family. One key for us was to bring an OEM" plug-and-play "solution to the market for Gen III EFI HEMI engines. started with production-based engines that we launched in 2016 and 2017 but the plan did not stop there. The next step was to feed the compressor technology we were working as a company with a 426 cubic meter displacement engine to release another level of power. Over time developed it was a four-digit horsepower goal, explained Beddick.

The first order was to develop a light yet strong foundation to handle 1000 horsepower and almost as much torque without breaking its intestines. There were Mopar and SRT motorsport engineers collaborating on an aluminum block, similar to one used in Leah Pritchett's 1300 horsepower Challenger Drag Pak who just won the NHRA Factory S tock showdown.

"One of the biggest challenges was the aluminum block. Aluminum blocks have been part of the Mopar portfolio before, but they were not designed for this level of power, so we needed something more robust. That was where we looked at the skills of our SRT Motorsport colleagues and developed a block that could handle the stresses with 1000-plus horsepower, Beddick said.

Here's where the supercharged HEMI Challenger Drag Paks runs ragingly with its aluminum blocks for 12-16 months useful. Mopar and SRT engineers used what they had learned about the kind of stress the new 426 Crate HEMI needed and did some minor revisions.

"The ribbing of the lifting pin in the block was combined with additional material at the bottom of the drills and through the bulkheads. The molding process is also greatly improved to handle core displacement," said Ed Hessell, one of Mopar engineers awarded to the Hellephant project.

During the test, Mopar engineers drove 426 Crate HEMI rigidly on the dyno with pull-in pull. When the magic 1000 horsepower figure appeared on the dyno's graph, Mopar had piped pipes bolted to the engine. Do not worry, but their engineers made the final calibration on prototype 2-inch SRT manifolds and used them in the mule vehicle when driving driveability studies.

Next, find a superchargers that could deliver the boost levels needed to achieve the mammoth 1000 horsepower number while meeting the rigorous durability test Mopar and SRT use on production engines. Rather go outside, Mopar tapped into OEM superlaster supplier, IHI. These are the same people as blowers sitting on top 6.2-liter HEMI Demons, Redeyes and Hellcats. Since this was a proven piece, the production flow engineers and Mopar encountered the blast displacement to 3.0 liters, and a high-performance rotor was used to combat additional heat. In comparison, 2018 Challenger Demon and 2019 Challenger Redeye use a 2.7 liter fan and Hellcat (and Mopar Hellcrate)

has a 2.4-liter device. In comparison, the 426 "Hellephant" box 3.0-liter supercharger moves much more air than its medbomb siblings. With recorded boost levels of 10-11 psi in stock 6.2 liter, 707 horse Hellcat HEMI power plants and 14.5 psi on Demon and Redeye engines with bearing 797-808 horsepower pump gas melody, we imagine that "Hellephant's" Boost levels are north at 15 psi to achieve 1000 horsepower.

Together with the work of manufacturing suppliers to reduce the cost and speed of the market, the new 426 Crate HEMI will use the 92mm gas damper body borrowed from Demon. Mopar also used warehouse cylinder heads straight from Demon. The production valves, springs and holder are up to the task as they were over-designed from the beginning. Production valve covers were borrowed from Hellcat and make the 426 look less creepy and more like a warehouse.

Moving valves is a custom-made hydraulic roller camshaft from Comp Cams that uses Demon cam cores. Mopar was tight on the actual lift and duration specifications, but we get more details from them before the first batch of Hellephant 426 Crate HEMI Motors was built early next year.

When it came to the bottom end and the rotating device, Mopar has obtained the help from the aftermarket. Although the 840 horsepower Demon uses a forged crankshaft, driven fork bars and forged stamps, these pieces had to be replaced by a rotating device that had a little more strength and offered increased displacement for "Hellephants" 426 cubes vs. demons 376. 426 has a 104.7mm drill and 101.6mm stroke compared to Demon / Hellcat's 103.9mm drilling and 90.9mm stroke. The Hellephant 426 supercharged HEMI box engine will have all forged interiors, including special H-Beam coupling rods, and unique pistons that provide compression ratio around 9.5: 1.

Complete engine assembly contains almost everything you need to install it in a vehicles including the water pump, flywheel, oil sump in front of swamp, fuel injections and spools. They also come with a MOPAR Front End Accessory Drive (FEAD) Kit, which includes an alternator, power steering pump, belts, pulleys and more.

Dropping in "Hellephant" is almost turnkey with "Hellephant" 426 Supercharged Mopar Crate HEMI® Motorset. The package includes a powerhouse control module (PCM), power distribution center, power line, chassis harness, accelerator pedal, ground switch, oxygen sensors, charge temperature sensor, fuel pump control module and camera bus interface.

Other goodies include such plug-and-play parts as the powerhouse control module (PCM), power distribution center, power cord, chassis harness, throttle pedal, ground switch, oxygen sensor, charge temperature sensor, fuel pump control module and camera bus interface unit. Enthusiasts will be pleased to note that Mopar PCM is unlocked and set to pump 1000 horsepower and we are sure that there is a backdoor for further calibration features. Mopar may have constructed the installation of street and terrain vehicles before 1976, but you know that someone with a tired and worn 10 year old Challenger or Charger SRT8 will fall into the new 426 supercharged HEMI box engine. [19659004]

It may seem a daunting task, but remember that GEN III HEMI has been around for 15 years or so, and there's a whole network of vendors doing everything from engine brackets to head restraints to install the modern HEMI in vintage cars. Late model boys have also figured out how to install the current Hellcat engines in RAM trucks and even Jeep Wranglers, so the code of the electronic interface has been cracked. Nevertheless, Mopar has done his homework and provides in-depth information / installation instructions, so driveway engineers or professional installers should not have trouble losing this killer in their rides.

The Dodge "Super Charger" Charger Concept contains 1968, including the new 1000 horsepower "Hellephant" 426 Supercharged Mopar Crate HEMI® Engine, shown in the background, to redefine one of the most iconic vehicles ever built by FCA USA.

Talking about which platform Mopar is the monstrous 1000 horse 426 HEMI Crate Engine to the guys in FCA Product Design Office styling studios have created a 1968 Dodge Charger of epic proportions and have appropriately called the "Super Charger." Melted in what Mopar calls "The Grigio" Gray Metallic, Super Charger pays homage to the 50th anniversary of the GEN II Charger body style that skipped the streets and was the optional car among pop cultures the most evil character s. Look for a full-blown feature on Mopar's superlader in an upcoming problem with HOT ROD.

Hellephant 426 Supercharged Mopar Crate The HEMI engine assembly and kit will be available in the first quarter of 2019, but if you click on the video link you can hear it scream now.

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