5,000 HP Twin-Turbo 526 cid Hemi Engine - Engine Builder Magazine

5,000 HP Twin-Turbo 526 cid Hemi Engine

Nicknamed King of the Jungle II, this Trans Am is a Pro275 drag car built by Cory Clemens of Clemens Motorsports Unlimited LLC. The King of the Jungle features a roaring, 5,000 horsepower, twin-turbo, 526 cid Hemi engine from Brad Anderson Enterprises. Check it out!

Engine of the Week is presented by

There were more than a few cool-looking engine bays at the 2022 Builder’s Brawl this past summer, but none in our opinion topped that of Cory Clemens of Clemens Motorsports Unlimited LLC. His Pro275 drag car, nicknamed King of the Jungle II, is a Trans Am featuring a gray, black, gold and burgundy red paint job, and his engine bay houses a massive, twin-turbo, 526 cubic inch Hemi engine. It stood out, even amongst a crowd of other super-clean, super stout drag cars, so we had to know more about the engine and the builder/driver behind it.

As it turned out, Cory started building this car when he was just 16 years old. His family owns and operates Clemens Motorsports Unlimited LLC out of Osage Beach, MO. The shop has been around for over 30 years, doing everything from running professorial race teams to working on major marketing projects for performance businesses.

“All my life you could find me at the drag strip,” Cory Clemens says. “Whether that was watching my dad race his Pro Mod, to making laps in my high school car, or even helping out on some of the pro teams. I’ve driven everything from Jr. Dragsters to Pro Street cars and even Super Comp dragsters, and I don’t plan on stopping there.”

The 2022 Builder’s Brawl was held at World Wide Technology Raceway

Cory has aspirations of one day driving a Top Fuel dragster. His Pro275 Trans Am is a good stepping stone for sure. The car he had at the Builder’s Brawl was a four-year build.

“We debuted this car at PRI in 2019,” Clemens told us. “It’s a Pro275 car that we built for LDR (Limited Drag Radial), but we ended up getting bumped up. Currently, we’re doing more No Prep and No Time racing and that kind of thing.

“Pretty much anything you see on the car, I did it. It was a four-year project I did in high school. It involved a lot of tin work and bar bending. I learned how to weld and really got good at that. At our shop, I do a lot of roll cages for guys. I do a lot of sheet metal work and just help anywhere I can for customers. We also do some parts sales. I wired, plumbed and welded the car. If it was done, I did it. That’s what I love to do.”

The 526 cid Hemi engine features a billet Brad Anderson Enterprises block and cylinder heads, as well as a Bryant crankshaft, CP connecting rods, an LSM camshaft, Manton pushrods, Manton rockers, a Hogan’s sheet metal intake, custom valve covers, a Peterson oiling system, and twin 88mm Garrett turbos with TiAL wastegates.

“It’s got the best of the best that we could put in it,” Clemens says. “It’s billet everything. We did everything we could do to get an edge.”

Of course, helping the Hemi gain an edge are those sizable Garrett twin turbos, as well as ComSYNC EFI. According to Cory, he usually pumps about 50-lbs. of boost through them and starts a run somewhere in the 7-10-lb. range, depending on the track and application. All of that equates to a billet Hemi capable of making around 4,800-5,000 horsepower.

When Cory runs something like a Duck X Production race, he says the team shoots for a 3.80-4.00 pass. However, his expectations were a little different, he says, with the No Prep stuff.

“Here at Builder’s Brawl, we’re hoping to run 4.50-4.80,” he noted. “That’s what we’re kind of shooting for as our goal for the weekend. We’d be happy with that because this is one of our first No Prep races. If we can get anything under a 5.00 flat we’d be really stoked.”

This Pro275 Trans Am and its twin-turbo Hemi engine are definitely a killer combo, and we look forward to seeing many, many more years of Cory in the driver’s seat. Needless to say, we’re glad we stopped and found out a little bit more about Cory Clemens and his drag car. More photos below…

Engine of the Week is sponsored by PennGrade Motor OilElring – Das Original and Engine & Performance Warehouse Inc./NPW Companies. If you have an engine you’d like to highlight in this series, please email Engine Builder Editor Greg Jones at [email protected].

You May Also Like

All-Billet 903 cid Pro Mod Engine

Pat Musi of Musi Racing Engines has been meticulously developing and tweaking his 903 cid Pro Mod engine combo since 2010. We got to see the latest and greatest version of this nitrous-powered billet beauty. Check out our first Engine of the Week of 2024!

Pat Musi Racing Engines 903 cid Pro Mod engine

In 2023, we got the chance to showcase a bunch of cool engine content from our visit to Musi Racing Engines, and 2024 kicks off much the same, with one more engine from the mind of Pat Musi. Pat’s 959 cid Pro Mod big block Chevy engine platform has become a staple for the Mooresville, NC shop and many of its drag racing customers. However, this all-billet 903 cid version of that engine showcases a few little nuances as it’s for a customer in Sweden. The engine was getting ready for assembly while we were in Mooresville, and Pat walked us through the full build.

Naturally Aspirated 540 cid Big Block Chevy Engine

After having issues with an engine built elsewhere, a customer came to H Squared Racing Engines to build him a streetcar combo. Utilizing an existing block and crank, H Squared was given the freedom to spec the rest of the engine. Check out the result!

ProCharged Billet V-Twin Hemi Engine

Known well for the shop’s 4.8 and 4.9 bore space Hemi platforms, Noonan Race Engineering took those lessons learned and recently applied them to an all-billet ProCharged V-Twin Hemi engine for nitro motorcycle applications. You don’t want to miss what’s inside this engine!

ProCharged 557 cid Big Block Chevy Engine

This is one of the most popular engine combinations at PAR Racing Engines. Built from 540 cid to 588 cid, this ProCharged 557 cid big block Chevy is a proven setup for Top Sportsman, Top Dragster and even drag-and-drive applications. Check out what makes this such a great build!

Twin-Turbo 4.8” Bore Space Billet Hemi Engine

There’s a lot of impressive engines that come out of Noonan Race Engineering in Spartanburg, SC. But, the 4.8″ bore space billet Hemi engine was the one that started it all for the high-performance engine and machine shop. Check out the details of this water block 4.8″ bore space billet Hemi.

Other Posts

Noonan’s New Billet K24 Honda Engine

We aren’t trying to hide the fact that we’re impressed by what Noonan Race Engineering is capable of. That’s why we will always jump at the chance to highlight what NoonanRaceEngineering has coming down the pipeline, and the shop’s latest endeavor is a billet K24 Honda engine, which was showcased at the 2023 PRI Show. We caught

Noonan Race Engineering Honda engine
Paul Vasko’s LML Duramax-Powered Diesel Dragster

During our weekend at the 2023 Ultimate Callout Challenge, there were plenty of fun conversations, but speaking with drag racer Paul Vasko was definitely a highlight. His passion is contagious, and his diesel dragster is definitely badass, thanks in part to a turbocharged LML Duramax engine. It’s our Diesel of the Week brought to you

Paul Vasko LML Duramax
VP Racing Partners with Ida Zetterstrom for 2024 NHRA Season

VP Racing Fuels, Inc., a leader in performance fuels, lubricants and additives, announced it will be an associate partner of Ida Zetterström and JCM Racing for the 2024 NHRA season, as Zetterström chases the Rookie of the Year honors in the 21-race NHRA Mission Foods Series season. Related Articles – PRI Appoints Michael Good as

Drag Racing with No Arms – Matt Stutzman Wants to Go 200 MPH in the 1/8th Mile

Matt Stutzman is nothing short of inspirational.

Matt Stutzman