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Ok so im in a debate here with someone about there being a Dodge Ram 5.7L Hemi Magnum, I believe it was only for 2003-2004 Models. I am wondering what the differences are with these Hemi Magnum versions? Also clarification on years produced?
 

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03-08, same basic engine with the exception of the MDS in 05 for the cars, 06 for the 1500 trucks (2500/3500 never got it), different intake manifolds between cars and trucks and no EGR on the 03's. 5.7 redesigned in 09. Different intake manifold between cars and trucks.
 

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I'm thinking you're confusing the 5.9 magnum with the 5.7 hemi. Two completely different engines...

The 5.9 Magnum was available until 2003. The 5.7 hemi came back in 2003. So it was only 2003 that you had the option of either engine but they are still two separate engines.
 

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03-08, same basic engine with the exception of the MDS in 05 for the cars, 06 for the 1500 trucks (2500/3500 never got it), different intake manifolds between cars and trucks and no EGR on the 03's. 5.7 redesigned in 09. Different intake manifold between cars and trucks.
I'm thinking you're confusing the 5.9 magnum with the 5.7 hemi. Two completely different engines...

The 5.9 Magnum was available until 2003. The 5.7 hemi came back in 2003. So it was only 2003 that you had the option of either engine but they are still two separate engines.
I will agree with both of these guys, BUT Brandon, the 03-05 ram trucks were badged 5.7 HEMI MAGNUM. But all that was as a badge, like Hemilonestar said its the same engine as the 06-08 with out the MDS option.

 

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A little reading goes a long way, but finding answers is not as easy as i would have thought
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The A block came before the LA ( which stands for Light A block )
these were replaced by the Magnum blocks

Magnum, was not just an engine block .....
To add some confusion, not only was the name Magnum used on Dodge passcar hi-po engines 1967-'70s, and vehicle lines in the late '70s and 2000's, it was also applied to the first year of the 5.7L "Hemi" V8 in pickup trucks (2004).

Identifying a Magnum engine
http://en.wikipedia.org/wiki/Chrysler_LA_engine#Identifying_a_Magnum_engine

The first Magnum 5.9L 360 V8 was made for the 1993 production year, it produced 250 horsepower and 345 ft.-lbs. of torque. It was used in the Dodge Dakota RT, the high-performance version of Chrysler's mid-sized Dakota pickup truck

the 360 Magnum uses lighter pistons and each requires a uniquely balanced damper, flywheel, drive plate, or torque converter. Bore size was 4.00", stroke was 3.58"; compression ratio was 9.1:1

Vehicles using the 5.9 Magnum
1998–2003 Dodge Dakota
1992–2002 (and early 2003 models) Dodge Ram
1992–2003 Dodge Ram Van/Dodge Ram Wagon
1998–2003 Dodge Durango
1992–2001 Dodge Ramcharger
1998 Jeep Grand Cherokee 5.9 Limited

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The present day HEMI,
I know that this was not asked in the original question, but it may answer some other questions

The 5.7 L Hemi was released for model year 2003 on the Dodge Ram 1500, 2500, and 3500 pickup trucks to replace the Magnum 5.9 engine

As of 2004 it was the only available gasoline engine in the Ram Heavy Duty. Chrysler later made the 5.7 L Hemi available in all models of the 2004 Dodge Ram, Dodge Durango, the 2005 Chrysler 300C, Dodge Magnum R/T, Jeep Grand Cherokee, the 2006 Dodge Charger R/T, and the 2009 Dodge Challenger R/T. For the Challenger, the 6-speed version does not feature MDS.

The 5.7 L (345 cu in) Hemi in the Ram delivered 345 hp (257.3 kW) and 398 lb·ft (540 N·m), but 340 hp (253.5 kW) and 390 lb·ft (529 N·m) for the 300C and Magnum R/T, which is exactly 100 hp (74.6 kW) more than the old 5.9 engine. It is a 90-degree V8, 2-valve pushrod design like the past MB engines, displacing 5,654 cc (345 cu in), with a bore of 3.917 in and a stroke of 3.578 in.[8]

The 5.7 L Hemi is made at Chrysler's Saltillo Engine plant in Ramos Arizpe, Mexico.
This engine is used in the following vehicles:
2003–present Dodge Ram
2004–2009, 2011–present Dodge Durango
2005–present Chrysler 300 300C
2005–2008 Dodge Magnum R/T
2005–present Dodge Charger R/T
2005–present Jeep Grand Cherokee
2006–2010 Jeep Commander
2007–2009 Chrysler Aspen
2009–present Dodge Challenger R/T
 

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so if i buy the 5.7 magnum engine an put it on my 2007 with 5.7 hemi engine will fit my truck ? I want to buy and rebuild my same engine .
 

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A little reading goes a long way, but finding answers is not as easy as i would have thought
__
The A block came before the LA ( which stands for Light A block )
these were replaced by the Magnum blocks

Magnum, was not just an engine block .....
To add some confusion, not only was the name Magnum used on Dodge passcar hi-po engines 1967-'70s, and vehicle lines in the late '70s and 2000's, it was also applied to the first year of the 5.7L "Hemi" V8 in pickup trucks (2004).

Identifying a Magnum engine
Chrysler LA engine - Wikipedia

The first Magnum 5.9L 360 V8 was made for the 1993 production year, it produced 250 horsepower and 345 ft.-lbs. of torque. It was used in the Dodge Dakota RT, the high-performance version of Chrysler's mid-sized Dakota pickup truck

the 360 Magnum uses lighter pistons and each requires a uniquely balanced damper, flywheel, drive plate, or torque converter. Bore size was 4.00", stroke was 3.58"; compression ratio was 9.1:1

Vehicles using the 5.9 Magnum
1998–2003 Dodge Dakota
1992–2002 (and early 2003 models) Dodge Ram
1992–2003 Dodge Ram Van/Dodge Ram Wagon
1998–2003 Dodge Durango
1992–2001 Dodge Ramcharger
1998 Jeep Grand Cherokee 5.9 Limited

__
The present day HEMI,
I know that this was not asked in the original question, but it may answer some other questions

The 5.7 L Hemi was released for model year 2003 on the Dodge Ram 1500, 2500, and 3500 pickup trucks to replace the Magnum 5.9 engine

As of 2004 it was the only available gasoline engine in the Ram Heavy Duty. Chrysler later made the 5.7 L Hemi available in all models of the 2004 Dodge Ram, Dodge Durango, the 2005 Chrysler 300C, Dodge Magnum R/T, Jeep Grand Cherokee, the 2006 Dodge Charger R/T, and the 2009 Dodge Challenger R/T. For the Challenger, the 6-speed version does not feature MDS.

The 5.7 L (345 cu in) Hemi in the Ram delivered 345 hp (257.3 kW) and 398 lb·ft (540 N·m), but 340 hp (253.5 kW) and 390 lb·ft (529 N·m) for the 300C and Magnum R/T, which is exactly 100 hp (74.6 kW) more than the old 5.9 engine. It is a 90-degree V8, 2-valve pushrod design like the past MB engines, displacing 5,654 cc (345 cu in), with a bore of 3.917 in and a stroke of 3.578 in.[8]

The 5.7 L Hemi is made at Chrysler's Saltillo Engine plant in Ramos Arizpe, Mexico.
This engine is used in the following vehicles:
2003–present Dodge Ram
2004–2009, 2011–present Dodge Durango
2005–present Chrysler 300 300C
2005–2008 Dodge Magnum R/T
2005–present Dodge Charger R/T
2005–present Jeep Grand Cherokee
2006–2010 Jeep Commander
2007–2009 Chrysler Aspen
2009–present Dodge Challenger R/T

WOW. JUST. WOW.
You my friend are a darn genius!
Sir How do i pick your brain? I have cash app.
I have a 5.7 mag Hemi. 03 production year (October) but sold as an 04. I want to use it to replace my wife's 5.7 in her commander.
any thing I need to know? I am an ex navy helicopter Mech, I can turn a wrench. New to Hemi's and larger displacements. I migrated from rotary.(FC3S)
 

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I'm thinking you're confusing the 5.9 magnum with the 5.7 hemi. Two completely different engines...

The 5.9 Magnum was available until 2003. The 5.7 hemi came back in 2003. So it was only 2003 that you had the option of either engine but they are still two separate engines.
134405

I'm thinking you're confusing the 5.9 magnum with the 5.7 hemi. Two completely different engines...

The 5.9 Magnum was available until 2003. The 5.7 hemi came back in 2003. So it was only 2003 that you had the option of either engine but they are still two separate engines.
This is on my 2017 ram 1500. Is this a fake decal? 16002645557128310037253912111727.jpg
 
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