18.04.2021

Category: Mopar torque specs

Mopar torque specs

When the average enthusiast thinks of the Mopar small-block, the engines that instantly come to mind are the traditional older series of engines, known as the LA series. The LA small-blocks were introduced in with cubes. More commonly recognized are the legendary s of the musclecar era, the bread and butter s that seemed to have had a production run of forever, and the stalwart The LA series of engines remain popular with hot rodders to this day, and even though they have been out of production sincethere were millions built ensuring a supply of parts and cores for generations.

The more recent line of Mopar small-blocks were the Magnum engines, a group of powerplants that get somewhat less recognition, but served as the replacement for the LA series in Mopar V-8 applications for over a decade, until the introduction of the new Hemi.

The OEM Magnums were produced in displacements of 5. Perhaps one of the reasons these engines are not high up on hot rodder's radar screen is the fact that Chrysler did not field a V-8 passenger car during the entire production run of the Magnum. The Magnum engines were exclusively found in trucks, vans and SUVs, not exactly hot territory for mainstream performance fans, though there certainly are plenty of modified trucks.

Magnum engines did, however make some inroads into the traditional performance world, thanks in part to the direct interchangeability with the earlier LA engines on which they are based.

Mopar Performance offered the Magnum crate engine for years in performance trim, and these engines were fully interchangeable with the earlier units. So, what distinguishes the Magnum from the earlier LA engines?

The Magnum series engines were not dramatically different than the LA series, but rather a significant revision.

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Essentially, the blocks are the same as the earlier andwith the major change being an additional set of mounting bosses on each side of the block to work with the truck motor mount system. The original small-block "ear" style lugs were retained as well, so there is no interchangeability issue there.

Another change is in the rear main-cap rail that the oil pan seals to. The and smaller LA engines used a rear main cap with a different oil pan sealing rail than theso the oil pans and end seals did not interchange. With the Magnum, the 5. All Magnum engines were designed with a hydraulic roller cam in mind, and there were modifications to accommodate the cam configuration. Bosses are cast into the center of the lifter valley, tapped to fasten the lifter-retaining spider.

The lifter bores were cast much taller, to accommodate the tall hydraulic roller lifters, and the tops of the lifter bores were machined to accept the factory roller lifter alignment yokes. Although all Magnums featured hydraulic roller style blocks, these mods were also found on some of the later LA-series blocks, which also featured hydraulic roller cams, starting with the 2V. The most significant changes that defined the Magnum was a new top-end package.

Magnum heads featured larger valves with smaller stems, revised ports, and a new valvetrain style. The architecture was not dramatically altered, retaining an degree wedge configuration, the same valve position, spacing, and length, and the same port layout. Again, the changes here were more of a refinement, rather than a complete redesign.

Magnum heads featured machined valve-cover rails, with ten valve-cover fasteners, as opposed to the LA engine's five. This makes the Magnum valve covers unique.

mopar torque specs

The intake manifold attachment was changed to a vertical bolt pattern, from the angled pattern used earlier.Access all the resources you need on the go. Learn More. Whether you're restoring a classic or building the ultimate hot rod - the engine is what brings it all to life. Car enthusiasts can now pair modern 5. Step up to the next level of performance with the SRT 6. This crate engine kit includes a water pump, fly wheel and clutch, front sump oil pan, intake manifold with throttle body, fuel injectors, and coil packs.

Own the same legendary 5. Now any pre classic can have this 6. Hardcore off-roaders require hardcore parts-so that's just what we've engineered. Each part has been specifically designed, built and quality-tested to elevate your ride to an entirely new level of performance. Always drive within your ability and experience level and consistent with conditions.

Be sure to follow all instructions in owners manual for removal of top, doors and lowering of windshield.

mopar torque specs

Driving with the doors off and windshield down is for off-road use only. We know you're always looking for more horsepower, more torque and more laps around the track.

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Assembly does not include any electronics. Not intended for Marine applications. Select a vehicle to explore. Sign in or create an account to receive access to even more exciting content. Search Website Owner's Manual. Engine Accessories. Performance Engine Accessories. Pause Autoplay.

Torque specs

Watch Video. Purchase Online See Specs. See Specs. Step 3: Amp up your vehicle. Step 4: Complete your build.Cars by name Trucks and Jeeps. It had high-flow heads, big ports, a two-level intake manifold, and a six-barrel option three two-barrel carbs.

The engine combined high power and relatively light weight, a fine combination in the Plymouth Duster and Road Runner. The valves were as large as possible, which meant moving the spark plugs ever so slightly 0.

When the came out in lateit was a street fighter from the start. Separating the from the standard-performance were not just 22 cubic inches, but also:. Valve lift was 0. The A six-barrel version with three two-barrel carburetors brought higher-performance heads, new valve covers, and material added to the bulkheads to allow for four-bolt main bearing caps.

To meet model-year emissions rules, the was detuned; the compression was dropped to 8. The engine gained 5 pound-feet of torque in the model year; that would be its last performance.

For just driving pleasure that was my favorite muscle car. The car was as light on its feet as most sports cars. My commute was made a joyful dash in that car.

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My Duster was a bear in a straight line but try a little throttle in a turn and wheelhop off the road. I pulled out to pass a slow guy going about 40 on my way to work. Did a kickdown, hit a bump, and ended up looking him right in the eyes! He refused to move until I was almost out of sight. As for design, all I can tell you is big valves, a big cam, and a high compression ratio. Valve covers for engines were different than valve covers. Since the carb was a 4 barrel, it was wider and the carb linkages caused interference with the spark plug wires, so they raised the drivers side wire holder up about 2.

It also pushed the choke well boss over close to the passenger side valve cover close to the wiring and vacuum advance hose that runs along the valve cover, so they added a rubber coated curved heat shield to the side of the valve cover to protect the wiring. This is how you can tell valve covers from valve covers at a swap meet. These have other mechanical besides the three deuce carb setup. The engine was reborn, years later, as the V8, for racing only.

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This engine never saw the light of the day on the street, but was used in multiple racing venues, and was a modified production block. See more including personal stories Spread the word via Facebook! We make no guarantees regarding validity or accuracy of information, predictions, or advice —. All rights reserved.

More Mopar Car and Truck News. Allpar Home News Forums. Help Repairs Part sources Resources. News News News forum Upcoming cars Test drives.Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications.

Please note that some specifications are in inch-pounds rather than foot-pounds. Read the charts carefully to prevent broken bolts due to excessive torquing. Please read our Privacy Policy. Log In Register. MyMopar Home. Top Mopar Sites. MyMopar Forums. Mopar Event Calendar. MyMopar Photo Gallery. MyMopar Announcements. Link to MyMopar. Sponsor Links. Additional Information. MyMopar Services. Premium Photo Ads. Commercial Ads.

Contact Us. Engine Bolt Torque Specifications. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Thread Size. Alternator Adjusting Strap Bolt. Alternator Bracket to Block Bolt.

Alternator Mounting Bolt. Camshaft Gear Retaining Bolt. Carburetor to Manifold Nut. Clutch Housing Bolt. Connecting Rod Nut. Crankshaft Rear Seal Retainer. Crankshaft Bolt Vibration Damper.

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Cylinder Head Bolt. Cylinder Head Stud Nut.Access all the resources you need on the go. Learn More. Whether you're restoring a classic or building the ultimate hot rod - the engine is what brings it all to life.

Car enthusiasts can now pair modern 5. Step up to the next level of performance with the SRT 6. This crate engine kit includes a water pump, fly wheel and clutch, front sump oil pan, intake manifold with throttle body, fuel injectors, and coil packs. Own the same legendary 5. Learn how we've raised the stakes on the competition with the announcement of the Mopar Dodge Challenger Drag Pak. Now any pre classic can have this 6. Hardcore off-roaders require hardcore parts-so that's just what we've engineered.

Each part has been specifically designed, built and quality-tested to elevate your ride to an entirely new level of performance. Always drive within your ability and experience level and consistent with conditions.

Be sure to follow all instructions in owners manual for removal of top, doors and lowering of windshield. Driving with the doors off and windshield down is for off-road use only.

Dodge Magnum Torque Specs

We know you're always looking for more horsepower, more torque and more laps around the track. Assembly does not include any electronics. Not intended for Marine applications. Keep an eye on your inbox for the latest info from our team. There was an error with your submission. Please return to the form and try again. Select a vehicle to explore. Sign in or create an account to receive access to even more exciting content.

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Search Website Owner's Manual. Engine Accessories. Performance Engine Accessories. Pause Autoplay. Watch Video. Purchase Online See Specs. See Specs. SEMA Transcript Open on a smoky scene with a muscle car that has its engine revving. Behind the car mostly covered in smoke an elephant is seen walking up, with elephant trumpeting noises and sounds of footsteps stomping.

As we hear the engine rev one final time we see the Hellephant logo and hashtags hellephant and hemiday transitioning into the Mopar logo with cratehemi.

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All Rights Reserved. Step 3: Amp up your vehicle. Step 4: Complete your build. Exhaust Manifold Kit Part No.The Chrysler Corporation, also operating as Chrysler LLC, introduced the Dodge cubic-inch V8 engine in the waning years of the muscle car era in Production ended in The V8 was part of Chrysler's "LA" family of engines.

The was a standard engine for Dodge trucks. The basic design of the V8 remained unchanged for more than 30 years and served as a template for the high performance Dodge Viper V10 engine. It architecture was timeless, fuel-efficient and durable for the era it was produced. The "L" in "LA" stood for lightweight.

mopar torque specs

Chrysler used a thin-walled block and a smaller wedge configured combustion chamber to reduce the engine's weight by 50 lbs. The ultimately replaced the to cubic-inch V8 with a slightly smaller cylinder bore of 4 inches compared to the 's 4. The 's stroke, however, was longer at 3. The standard was equipped with a two-barrel carburetor. A four-barrel version became available in When Chrysler dropped the inthe was the automaker's most powerful engine.

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With its introduction in, the Dodge was one of nine V8 engines offered. Its initial horsepower rating was the second lowest of the V8 family for the model year.

The featured an 8. Its torque was ft. Torque provides the acceleration for the vehicle. The 's normal oil pressure range was identical to its siblings at 45 to 65 psi. The 's closet rival in raw power was thewhich had a larger cylinder bore at 4.

The generated horsepower and ft. Byhowever, tougher government emission standards sapped the 's strength. Chrysler detuned the to generate only horsepower and ft. The model years and were only slightly brighter for Chrysler's V8s.

The was gone, but the now came with a four-barrel carb, giving buyers three engine choices. All three featured an 8. Two four-barrel versions pushed the to the top spot in power. They wielded horsepower and ft. Early s Dodge vehicles complemented the with a TorqueFlite three-speed automatic transmission and standard 2.

Optional rear axle ratios included 2.Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. If using aftermarket performance bolts, you should follow the recommended torque specifications of the aftermarket bolts. Over torquing will result in broken bolts. Own A Mopar?

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Get it featured on our network! We are always looking for Mopars to add, to participate you must own a Mopar of some kind. Submit your page or site for review and inclusion in our Mopar Only Directory. Mopar Big Block Torque Specifications. Torque specifications are for stock factory type bolts with light engine oil applied to the threads and the underside of the bolt head.

Alternator Adjusting Strap Bolt. Alternator Adjusting Strap to Block Bolt. Crankshaft Rear Seal Retainer. Crankshaft Bolt Vibration Damper. Flywheel Housing to Block Bolt. Flywheel to Crankshaft Bolt. Torque Converter Housing Bolt. Torque Converter to Flexplate Bolt.

Vibration Damper Pulley Bolt. Water Pump Housing to Block Bolt. Information found on this page is believed to be accurate. The magnum Network assumes no responsibility for errors or omissions in anything that is referenced by or linked to this site. This information is provided "as is" and was obtained from the www, Books and other reference Materials.

mopar torque specs

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