The Ram 1500 Laramie bids farewell to the HEMI V8 in style. Texas firepower style – and it’s not what you think. Yes, it’s fully automatic, but only the eight-speed transmission and nothing more. So, having holstered the ambiguities, let’s delve into this idea in depth: it’s a Hennessey tribute to the 5.7-liter HEMI V8 engine. It’s called the Mammoth 400.
The Texas tuner just teased the performance truck on its YouTube channel but keeps the details still in the wraps for now. All we are told is that Hennessey shook hands with Fox Factory (best known for their performance suspensions), and a limited production run of sports trucks (model year 2024) will bear the collab signature.
'The 5.7-liter V8 Ram 1500 Laramie is treated to a robust list of exterior modifications to enhance aesthetics and performance. The MAMMOTH 400 receives bespoke paintwork, offering customers with the choice of iconic Viper Red, Viper White, or GTS Blue, each accented by distinctive full-length twin ‘Viper Stripes.’ (Hennessey Performance Vehicles)
What could be more American than a red-white-and-blue homage to the most iconic staple of US motoring, the pickup truck? A Hennessey-imbued edition, of course, of which we are going to find out more details soon enough. In the meantime, we can only speculate based on the habits of the Sealey, Texas, House of Speed. The name doesn’t reveal much – Mammoth is for trucks. If the tradition is kept, the numerical part would indicate horsepower.
Photo: YouTube/Hennessey Performance
In this case, 400 is the sweet spot, but that is what a standard Ram 1500 with a 5.7-liter V8 puts out already. Alright, to be specific, it’s 395 hp and 410 lb-ft of torque (401 PS, 556 Nm), with an extra 130 lb-ft (176 Nm) of launch torque from the mild hybrid system. Hennessey’s rather elusive description would also hint at this (‘exterior modifications’ is how they phrased it), but let’s not anticipate.
The limited edition (or, as Hennessey has coined it, ‘Last Chance’ edition) is based on the 2024 model of the Ram 1500 (with the Laramie trim level and, judging by the video – see it below – it’s the 4x2 variant) with sufficient apparel deviations to make it look like it’s ready for the fourth of July.
The Mammoth badge is a Hennessey synonym for ‘outrageously horse powerful RAM trucks,’ and it appeared on the Ram 1500 TRX trucks tuned by the Texans in the ‘Mammoth 1000’ copyright. Intuitively, the Hennessey-ized TRX boasts 1,000 hp (1,014 PS), so the Mammoth 400 moniker of the 2024 Ram 1500 Laramie is either a no-change-to-HEMI special edition or a drift from the rules. I’m betting on the former, leaving only cosmetic changes to sport this very All-American trio of livery choices. Then again, wouldn’t that defeat the purpose of a Hennessey badge on a vehicle?
After nearly two decades in news television, Răzvan turned to a different medium. He’s been a field journalist, a TV producer, and a seafarer but found that he feels right at home among petrolheads. Full profile
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