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For Sale: 427 ci Supercharged LS Crate Engine, 1140 HP

Featured in Engine Labs Magazine


Ad #182234554   Posted:2014-07-02 06:45:25
1,155HP Whipple Supercharged 427 LS Hellfire from Borowski Race Enterprises on Vimeo.

This ad expired 6 days ago.
$32,500.00


Borowski Race Engines, Inc. was first in line to receive Dart's new LSNext blocks, first in iron and more recently in aluminum. Our LSNext builds have been featured three times in Engine Labs magazine.

- Supercharged Borowski Built Dart LS Next LS7 Screams Money
- Borowski Built Blown 427 LS Engine with LS Next Block
- Borowski builds Mild mannered 427ci with LS Next Block

Quoting their most recent article: “The crew over at Borowski Race Engines have been building insanely powerful and reliable race, street, and marine engines since 1968, and aren’t stopping anytime soon.” Our new Hellfire™ line of LS engines is also designed to be drop-dead gorgeous, easy to install for drop-in swaps, easy to maintain and easy on the fuel consumption when cruising.


Features:
- 1,140 peak HP & 1,035 ft-lbs torque (race fuel)
- Dart LS Next iron block
- Whipple 4.0L LSX supercharger kit (polished) – 19 psi max boost (race fuel)
- Holley-HP EFI & harness kit
- Comp Cams LSR Series hydraulic roller camshaft
- Callies Magnum crankshaft & Ultra connecting rods
- Custom Diamond pistons
- CNC ported Brodix 6-bolt cylinder heads
- Moroso Drag/Road Race LS Next oil pan for easy LS/SBC swaps

$32,500

*To complete your engine and make it bolt-in ready, Borowski Race Engines also offers a complete Serpentine Kit for your crate engine. Optional Serpentine Kit (as shown) includes:

- Power Steering
- Air Conditioning
- 225 amp Alternator
- Water Pump
- ATI Dampener
- Larger diameter pulley for street/pump gas

All For $3,837



Why the Dart LS Next block?

Because it is a game changer. The visually obvious differences in the bottom end allow us to reliably add power far beyond what we would consider with a factory block. And that's just for starters. Here's more from Dart:

"The LS Next block is the first significant change in the bottom end architecture of the LS engine platform. By eliminating the “Y-block” design and utilizing conventional style main caps and oil pans, (stock pans can be used with Moroso oil pan spacers) Dart has addressed the problems resulting from the LS engine’s separated crankcase bays. Windage is greatly reduced, resulting in increased power and improved lubrication.

This design change led to several additional improvements. The main webs are significantly stronger because the bay to bay breathing windows are eliminated in Dart’s design. Deleting the windows also allows the cylinder barrels to be extended by .3750” into the crank case, providing greater piston support at the bottom of the stroke.

All stock and aftermarket LS components can be utilized. Conventional style 4-bolt steel main caps are used. A 5/8” thick full deck design is utilized for superior strength, with six head bolts per cylinder to provide secure clamping. Dart’s priority main oiling system ensures high rpm reliability and includes provision for oil restrictors in the lifter valley."

Why a twin-screw, positive-displacement supercharger for street?

OEM manufacturers utilize positive displacement superchargers due to their incredible throttle response and drive-ability of a big cubic inch motor. The screw compressor is by far the best supercharger available today; it’s the only supercharger to provide a positive displacement design for maximum low-end torque as well as high efficiency for maximum top-end horsepower.
- The vacuum bypass valve provides naturally aspirated gas mileage and driveability under cruise or light load conditions with virtually instantaneous boost once you put your foot into it.
- Centrifugals and turbos have tremendous lag time during shift points, on-off throttle and off the line boost.
- Roots-type superchargers have been proven to not be very efficient, especially at higher boost levels. And how do you make a right turn?

Why the Whipple 4.0L Supercharger?

- The 4.0 liter supercharger fits under most cowled hoods without modifications.
- Compared to Whipple's 2.9L version, it is able to generate substantially more boost (approx 19 psi vs. 13 psi)
- Their high efficiency reduces heat generated compressing the inlet air
- Their integral inter-cooler is very effective at maintaining a low manifold air temperature allowing engine designs with higher compression ratios, more timing or both.
- Whipple superchargers dominate the market in the most challenging segment - sand rails. These units are durable, reliable and easily serviceable.

Why buy from Borowski Race Engines, Inc?

- We can custom make to your exact specifications.
- Technical Knowledge: We make cutting edge engines for a broad range of motorsports. In season, our staff is at the track and on the water to help keep you ahead of the pack.
- Machining Capabilities: Our CNC engine machining equipment and shop professionals are second to none. That shows in our build quality, reliability and performance.
- Quality: Our levels of care and precision go far beyond OEM or standard aftermarket. Machining and assembly of your project is performed only by highly skilled technicians.
- Predictability: On-time and on-budget
- Build Time: Thanks to our CNC processes, we can complete machining quickly. We maintain inventory and have strong relationships with our key suppliers which helps avoid delay waiting for parts.
- Transparency: Your entire build is photographed and documented. Progress pictures are uploaded and viewable on our Flickr. You are welcome to visit in person any time and will be invited to attend the video-taped dyno session.
- Honesty and Integrity as evidenced by our A+ rating and accreditation by Better Business Bureau.

Approximate Lead Time: 5 weeks

Borowski Race Engines, Inc.
545 Mound Rd
Rockdale, IL 60436

Business Phone Number: 815-725-2727
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Ad posted by:
BorowskiRace (#327877)

Borowski Race Engines, Inc.
1545 Mound Rd
Rockdale, IL 60436
(815) 725-2727
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Member Since: 2008-10-23
Phone Number: 815-725-2727

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Execution Stats: 0.249 sec / 16.1 MB used / 16.2 MB peak