Mercedes-Benz M120 engine
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The M120 family is built in Stuttgart, Germany. It has an aluminum engine block lined with silicon/aluminum. The aluminum DOHC cylinder heads are 4 valves per cylinder designs. It uses SFI fuel injection and features forged steel connecting rods.
M120 6.0 48v
This engine developed 389,402 & 408hp and 420–428 ft·lbf of torque for the 6.0 L version. In 1992 only the M120 engine was offered in North America in 402 hp (300 kW) format and from 1991-92 408hp In Europe. All other years 1993-1999 have the 389 hp (290 kW) version.
Larger displacement M120s
In 1997, the FIA GT Championship race car Mercedes-Benz CLK GTR was fitted with an engine derived from the M120. The 25 road cars, required by the FIA rules and delivered in 1999, had their engine enlarged to 6.9L.
There was also a 7.3L version producing 525 hp (391 kW) developed by AMG which was also used in the SL73 AMG. And there was a 7.0L version producing 496 hp (370 kW) used in the very rare SL70 AMG.
The 7.3L M120 engine was also featured in the AMG-built, S73 T Kombi, a custom-built, W140, S-Class wagon built for the Sultan of Brunei. Eighteen units were produced, ten of which went to the Sultan.
The Pagani Zonda has used 3 different capacity, Mercedes-AMG tuned, versions of the M120 engine starting with the untuned 6.0 L for the original Zonda C12 to a 7.0 L version for the C12 S and Zonda GR, then to the 7.3 L for the Zonda C12s 7.3, Zonda F, Zonda Cinque and the Zonda Tricolore, and back to the 6.0 L for the Zonda R and the Zonda Revolucion.
- 1999 Pagani Zonda C12 6.0 L 400 hp
- 1999 Pagani Zonda C12-S 7.0 L 540 hp
- 2002 Pagani Zonda C12-S 7.3 7.3 L 547 hp
- 2003 Pagani Zonda GR 7.0 L 590 hp
- 2005 Pagani Zonda F 7.3 L 594 hp
- 2009 Pagani Zonda Cinque 7.3 L 678 hp
- 2010 Pagani Zonda Tricolore 7.3 L 670 hp
- 2009 Pagani Zonda R 6.0 L 740 hp
- 2012 Pagani Zonda R Evolution 6.0 L 800 hp
- 2013 Pagani Zonda R Revolucion 6.0 L 800 hp
- “AMG Gmbh Mercedes-Benz S73 T Kombi: 7.3L V12 Battleship,” VelocityResource.com January 26, 2011. (Retrieved 2011-02-02.)
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