[VIDEO] Watch and Listen to Lingenfelter’s 427-Cube E-Ray on the Dyno!

Mar 3, 2025

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[VIDEO] Watch and Listen to Lingenfelter's 427-Cube E-Ray on the Dyno!

Our friends at Lingenfelter Performance Engineering don’t just offer upgrades for just about anything with a Small-Block V8; they are out there finding multiple ways to extract more power and enjoyment from GM’s best products! Last year, they strapped the Bow Tie’s new hybrid E-Ray, complete with their new low-pro Magnuson supercharger, to their Dyno. The results were astounding, with the AWD ‘Vette jumping from 573 HP and 630 Torque at the wheels to 734 and 793, respectively!

Nobody would have said a thing if they simply said “mission accomplished” and walked away after putting on such a clinic, but that isn’t the LPE way, and they are back with something even more impressive! Last March, we also reported on their new 427 cubic-inch package for the LT2 that pulls the ultimate tuner party trick of making big power without resorting to forced induction. We never got to see the old-school large-bore Stingray motor in action, though, and it was never specified if the upgrade was compatible with the E-Ray and all of the extra programming it’s unique powertrain could entail.

Now, LPE has stepped up to the plate with a single video to answer both questions. Not only can the 427 work in harmony with the electrified front axle, but you can see it doing so in LPE’s latest dyno pull by hitting play below. This package doesn’t just sound good on paper, but it just flat out sounds incredible in practice on its way to 704 crank HP to go along with 600 lb-ft of twist. Throw in the extra grunt of the e-motor, and we’re looking at total system output of 864 raging horses and 725 lb-ft of torque!

If you’re interested in putting your LT2-powered ‘Vette under the knife for a high-cube transformation, be prepared to stroke a check for $30,000, which, if you think about it, still keeps you safely out of ZR1 price territory for a car that might launch even harder! If any of you do this to your E-Rays, keep us posted. We need to see this beast in action against the twin-turbo King of the Hill!

From Lingenfelter via YouTube:

The iconic 427 cubic inch engine for the C8 Corvette is the most powerful naturally aspirated C8 engine available. The Lingenfelter Eliminator Spec S 7.0L LT2 Engine makes over 700 HP to the crank on 91 octane gas!!!!

The Lingenfelter 427 Eliminator Spec S Engine was developed to give C8 owners the sound and feel of big cubic inch and high torque naturally aspirated power for their mid-engine Corvette. A mind-blowing 700+ horsepower at 6700 RPM and 600+ lb. ft. of torque at 4800 RPM makes this engine the highest power NA available for the C8.

Working with industry leader and LPE development partner, Callies, the two developed a unique forged rotating assembly allowing the use of a 4.00 stroke 8-weight crank with special counterweights that work within the factory oil pan and retain all factory oiling and scavenging systems. The block is CNC blueprinted and sleeved allowing a special 4.125 piston by MAHLE. Cylinder heads are factory-casting CNC ported by Lingenfelter specific to the LT2 7.0L program.

A new camshaft was developed for the 7.0L engine that optimizes the power band to work within the DCT transmission’s torque and shift parameters. The new cam gives great power delivery for excellent drivability. The engine makes this great power with both stock and aftermarket manifolds.

This winning combination allows for both Coupe and HTC C8 Corvette owners to enjoy the big power of the world’s first 7.0L 427 LT2 naturally aspirated engine built by Lingenfelter.

Source:
Lingenfelter Performance Engineering

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5 COMMENTS

Raylan Benzl Mar 3, 2025 At 4:19 pm

Ladies and Gentlemen that is a modern “RAT” Motor!

Lingenfelter Performance Engineering, is second to none?

Thanks,
Ray
Jay Mar 3, 2025 At 9:12 pm

How did they Dyno this AWD vehicle with the front wheels strapped??
IPD Mar 5, 2025 At 8:56 am

Good question, Jay. I’m guessing they electronically disconnected certain parts of the hybrid drive system.

This is impressive, but BoostDistrict already combined the 427 with turbos. So the application for this is more along the line of interest for someone who wanted an LT6 + hybrid. Personally, I love the whine of FI more than the roar of N/A. And if it’s paired with a hybrid drive–that FI noise seems like it would be even more choice.
ABC Mar 5, 2025 At 12:54 pm

This is tempting!!
Mark webb Mar 5, 2025 At 6:38 pm

Just think what the 7.0 liter would make if it was also twin turbo ??