Dream Out Loud With Mopar® Blocks & Crate Engines

MOPAR® HEADS BACK TO THE GRASSROOTS

Roger Meiners

Want to lighten your load and live a more powerful Mopar® life? Mopar can help, with its new emphasis on crate engines. Jim Sassorossi, Director, Global Parts Sales & Marketing, Mopar Parts says, “Our goal for the Mopar crate engine program is to develop an exciting lineup of HEMI® Gen III products culminating in the all-aluminum HEMI®, while at the same time supporting the traditional enthusiast with a broad range of HEMI Gen II and Mopar small block engine products.”

For load lightening, try the new aluminum HEMI Gen III cylinder blocks. Each block is 98 pounds lighter than the cast iron HEMI Gen III version. Mopar has three to choose from—one allowing you to build a 440 cubic inch HEMI. You heard it right. A humongous HEMI Gen III can now be built from a Mopar aluminum block.

Let’s start with the new 6.1L HEMI Gen III aluminum block. It’s a direct replacement for the cast iron 6.1L block. Then there is a 426 cubic inch version to ramp up the excitement level. The third aluminum block has rough-machined bores that can be taken all the way out to 440 cubic inches. You don’t have to go that far. The steel liners can be bored as much or as little as you wish. Imagine the possibilities.

If you want more than humongous, try on a 572 HEMI Gen II. Right out of the box—er, crate— you can use one of these to alter the earth’s rotation. Think 660 lb-ft of torque at the flywheel, not to mention 650 horsepower.

And speaking of power and torque, have you ever wished that your 1991–2006 Jeep® Wrangler or Cherokee had more of those good things? Mopar is here to help—with the new 4.7 Stroker long block engine assembly. This is the solution to beef up the very popular Jeep 4.0L inline six for towing, off-roading, rock crawling or high-performance grocery getting.

Let’s not forget the Mopar small block crate engines. Mopar has a very strong line up of these, ranging from 340 to 440 cubic inches with power levels to suit any budget. The latest addition is the 408 Magnum. It’s got big displacement and big power for the value-conscious enthusiast.

No matter what your taste in crate engines – street, strip or trail – Mopar has a product for you.

Check out what’s new here and then go down to your friendly local Mopar Performance store and do some shopping in the power and torque department. Wait, you don’t even have to do that. Just fire up your Internet connection, slide on over to Mopar.com and see what’s there.

For more information, see Mopar Magazine’s story on Crate Engines in the January/February 2009 issue, beginning on page 40.

426 HEMI GEN III All-Aluminum Crate Engine

Mopar is developing this exciting crate engine for future introduction. A prototype lurked under the hood of the Mopar Dodge Challenger 1320 Street Drag Pak Show Car at SEMA. Stay tuned for news from Mopar.

6.1L HEMI Gen III Iron Block Crate Engines

6.1L crate engine with Mopar throttle body P5155067
Mopar fuel rails and engine management system (EMS) with harness
6.1L crate engine with ETC P5155437
Electronic Throttle Control, No engine management system (EMS).
6.1L block P5153816AB
Bare iron block, stock bore and stroke

HEMI GEN III Aluminum Blocks*

Lighten your load with one of these lightweight cylinder blocks. Cut as much as 98 pounds compared to cast iron HEMI Gen III blocks.

6.1L Direct Replacement Aluminum Block P5153897
• 103 mm bore (same as stock 6.1L).
• This block will accommodate all of the parts from a 6.1L Gen III HEMI engine.

426 Aluminum Block P5155507
• 104.775 mm bore (4.125"). Can be over-bored 0.030". 

HEMI Gen III Block P5153898
• Semi-finished to 4.140". Can be bored to 4.185"

Features and Benefits
• Lightweight aluminum gives added performance in more ways than one—better acceleration, braking, vehicle dynamics, weight distribution, you name it. Lighter is better.
• Water jackets have been completely re-designed to accommodate a Siamese bore.  Extensive Computational Fluid Dynamics (CFD) studies have been performed to balance thermal conditions for consistent and reliable performance.
• Crankcase clearance designed for a 4.125" stroke crankshaft.  A 4.250" stroke will fit with machining around the oil drain backs.
• The main bearing supports as well as the bottom end of the block have been completely redesigned for the additional strength required for a forced induction 440+ cubic inch motor.
• 8620 HR billet steel main caps with four-bolt center caps beef-up the bottom end for severe performance applications.
• Capable of supporting a dry sump package for reduced windage and to allow more engine installation options, including lower vehicle center of gravity.
• Camshaft bearing support area increased to permit the use of a 60 mm roller bearing, if desired.
• Lifter bores can be opened to 1.060" for a bushed-style lifter.
• Additional boss in the front timing chain area for an idler (double roller chain). Additional boss for a front gear drive, plus attachments for a front motor plate.
• All HEMI Gen III dress items fit Gen III Aluminum Blocks (front cover, oil pan, oil filter mounting, Front End Accessory Drive (FEAD), etc.)

*January Availability

New 572 HEMI Gen II Crate Engine

Mopar developed this huge HEMI engine to crank out big horsepower and torque. At least 650 hp and 660 lb-ft of torque are available right out of the crate! We’re showing the engine with black cast aluminum valve covers that shout out “572 HEMI” so there is no mistake that this is the baddest HEMI GEN II on the planet. Pictured is Mopar’s available Cross-Ram Intake (P5007534) with Holley Carbs (P4452778 and P4452779) and HEMI Air Horns (P5007809). Orange cast aluminum “572 HEMI” valve covers are also available.

New Jeep “4.7L Stroker” Long Block Engine Assembly*

This long block engine assembly includes 4.0L engine block and ported cylinder head, new 3.90 stroke crankshaft, OE rods, new forged dished 21 cc pistons, camshaft, lifters, stamped steel rocker arms, valve springs, pushrods, timing chain, timing gears, high-volume oil pump and pickup.
• 1991–1998 P5155209
• 1999–2006 P5155210

*January Availability

Small Block V-8 Crate Engines

New 408 Magnum® Small Block V-8 Crate Engine* P5155428

This 4.00" Stroker Magnum® Small Block gives you big power economically with its high-flow 9.0:1 cast iron cylinder heads and stainless steel valves topped off with a single-plane M1® 4-bbl Aluminum Intake Manifold. Includes a Mopar Electronic Ignition Kit with Distributor. Mopar recommends the use of a 750 cfm Holley carburetor (P4349228) and 1-7/8" exhaust headers (not available through Mopar)
*January Availability.

The 340 Six-Pack Crate Engine P5153526

The new 330 Horsepower 340 crate engine is built with all new parts, including a 340 block with four-bolt mains, aluminum “LA” cylinder heads with 10:1 compression, HD cast crankshaft, six-pack intake, ignition system, water pump and stock-style front sump oil pan that will fit in most muscle cars (carburetors not included).

The 410 Six-Pack Crate Engine P5153527

Nothing shrinks time and distance like cubic inches and a good induction system. Mopar’s new 470 Horsepower 410 Stroker small block has all the goods for whatever your application. Basic ingredients include a new 340 block featuring four-bolt mains, aluminum “LA” heads, high-lift hydraulic camshaft and a 4.00" Stroker heavy-duty forged crankshaft. Topped off with a classic aluminum “Six Pack” intake manifold and Mopar cast aluminum valve covers (carburetors not included).

440 Super Commando Crate Engine P5153523

You get big block power and torque in a small block package with this little giant. It makes over 530 hp out of a 340 four-bolt-main siamese block with forged 4.00" stroker crank, forged pistons and rods, big valves and aluminum heads and intake manifold.

Note: Crate engines that change the emissions performance of the vehicle may not be legal for use on vehicles regulated for highway use in California and other states. Horsepower and torque ratings based on test engine. Ratings may vary on individual engines.