Ford SHO V6 engine

Last updated
Ford SHO V6
1991 Ford Taurus SHO.jpg
Overview
Manufacturer Yamaha Motor Corporation
Production1989–1995
Layout
Configuration Naturally aspirated 60° V6
Displacement 3.0 L; 182.2 cu in (2,986 cc)
3.2 L; 194.7 cu in (3,191 cc)
Cylinder bore 89 mm (3.5 in)
92 mm (3.62 in)
Piston stroke 80 mm (3.15 in)
Cylinder block materialIron
Cylinder head materialAluminum
Valvetrain DOHC 24-valve
RPM range
Max. engine speed 7000
Combustion
Fuel system Fuel injection
Fuel typeGasoline
Cooling system Water-cooled
Output
Power output 220 hp (164 kW) at 6200 rpm (3.0L)
220 hp (164 kW) at 6000 rpm (3.2L)
Torque output 200 lb⋅ft (271 N⋅m) at 4800 rpm (3.0L)
215 lb⋅ft (292 N⋅m) at 4000 rpm (3.2L)
Chronology
Successor Ford SHO V8

The Ford SHO V6 is a family of DOHC V6 engines fitted to the Ford Taurus SHO from 1989 to 1995. The designation SHO denotes Super High Output. [1]

Contents

Due to the engine's unusual and aesthetically pleasing appearance it is sometimes transplanted into other vehicles. Its distinctive variable length intake manifold is bilaterally symmetrical, so it can be rotated 180 degrees (making it face "backwards" on the engine, relative to its original installation orientation) to ease the engine's transition from transverse to longitudinal mounting. [2] [3] [4] [5] [6] [7]

The SHO engines share a common bell housing pattern with the following Ford engines: the 2.3/2.5 L FWD HSC I4, the 3.0 L FWD/RWD Vulcan V6, and the 3.8 L FWD Canadian Essex V6. [8] In 1996, Ford discontinued the SHO V6 and began fitting the Taurus SHOs with the SHO 3.4 L V8 and the Ford AX4N automatic transmission.

Origin

In 1984, executives of the Yamaha Motor Corporation signed a contract with the Ford Motor Company to develop, produce, and supply a compact 60° DOHC V6 engine based upon the existing Vulcan engine for transverse application. [9] [10]

There has been some confusion about the original intended use of the engine. It was thought this engine was first intended to power a mid-engine sports car, that project (known internally as GN34) was canceled. Patents have been found and pictures of prototype SHO powerplants installed in the Taurus show that the original intent was for the larger FWD setup and the GN34 would have come later.[ citation needed ] There were a few GN34 prototypes produced, most with standard Vulcan engines and a few other factory swaps, a SHO Ranger being one.

3.0 L

The SHO V6 was a high-tech and revolutionary design when it debuted in 1988. Displacing 3.0 L; 182.2 cu in (2,986 cc), it was an iron block, aluminum head 24-valve DOHC engine with an innovative variable length intake manifold. Its oversquare and symmetrical design, which sported an 89 mm × 80 mm (3.50 in × 3.15 in) bore and stroke, gave the high-revving engine an output of 220 bhp (164 kW; 223 PS) at 6200 rpm and 200 lb⋅ft (271 N⋅m) of torque at 4800 rpm at the flywheel, and it sported the added luxury of being able to be used in rear-drive applications. Redline was marked on the tachometer at 7000 rpm, and fuel cut-off occurred at 7300 rpm. This engine was only available with the Ford MTX-IV transmission.

3.2 L

From 1993 to 1995, the SHO engine was sold in two displacements: the existing 3.0 L (2,986 cc) continued to be sold mated to the MTX-IV manual transmission, and a new 3.2 L; 194.7 cu in (3,191 cc) engine was sold mated to the Ford AX4S automatic transmission. The new 3.2 L (3,191 cc) engine, while retaining the same 80 mm (3.15 in) stroke of its 3.0 L (2,986 cc) brother, sported a larger 92 mm (3.62 in) bore that helped raise torque output to 215 lb⋅ft (292 N⋅m) at 4000 rpm at the flywheel. [11] Horsepower output was still 220 bhp (164 kW; 223 PS), but now at 6000 rpm: This was due to a milder cam setup compared to the more aggressive intake camshaft in the 3.0 L (2,986 cc) version.

Other Ford vehicles

In 1989, with the help of Roush Racing, Ford Truck Public Affairs created a one-off Ford Ranger, dubbed the "SHO Ranger", with a 3.0 L (2,986 cc) SHO V6 and a Mustang GT's T-5 manual transmission. According to D.A. "Woody" Haines, assistant manager of that division, they commissioned the project truck "to test the market." [12] [13]

In 1993, Ford Canada hand-built 40 Mercury Sables, some of which were powered by SHO V6 engines, as part of their AIV (Aluminum Intensive Vehicle) program and released 20 to the public. Using aluminum suspension elements and aluminum body panels, held together with spot welding and adhesive joining processes developed specifically for this vehicle, the end result was a car that was 400 lb (180 kg) lighter than a SHO Taurus. Multimatic Motorsports entered one of these vehicles in the 1995 One Lap of America event, finishing 15th overall and 1st in the Mid-Price class. [14] [15] [16] [17]

Modifications

A popular modification to cars equipped with the 3.0 L (2,986 cc) SHO engine is to replace the engine with a 3.2 L (3,191 cc) engine. Further modification can include installing the cams from a 3.0 L (2,986 cc) engine into a 3.2 L (3,191 cc) engine. These more aggressive cams, along with a higher torque output have been known to allow the manual transmission-equipped Taurus SHO to run into the low 14s on the 1⁄4 mi (402 m).[ citation needed ]

SHOGun Festiva

In 1990, Chuck Beck of Special Editions and Rick Titus took seven Ford Festivas and mounted 3.0 L (2,986 cc) SHO V6s − still mated to their native transmissions − behind the front seats in mid-rear engine configuration. Along with substantial cosmetic body changes, including custom fiberglass wheel arches to accommodate a wider stance and larger tires, the suspension was completely redesigned. Each car was painted a different color. These changes resulted in a car that could travel the 1⁄4 mi (402 m) in 12.9 seconds at 100.9 mph (162.4 km/h), and could achieve a lateral acceleration figure ranging from .95 to 1.04  g. Two of the seven are notable; Jay Leno owns number 003 (the silver one), and number 005 (the purple one) included special modifications for competition in the SCCA, including a rollcage and 5-point restraints. [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] One was destroyed in the 2021–2022 Boulder County fires. [29]

Since the creation of these cars, others have imitated the idea by performing SHO-to-Festiva transplants of their own. [30]

See also

Related Research Articles

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References

  1. ↑ "Taurus/Sable Spotter's Guide (Generation 1, 1986-1991)#1989". Taurus Car Club of America. Archived from the original on 2008-04-11.
  2. ↑ Tann, Jeff. "Vargas' Beauty: Smooth, Shiny, Intoxicating & Exotic Describe This '37 Ford Coupe". Rod and Custom (March 1999): 115–118.
  3. ↑ Boughn, Warren. "SHO Time: Installing a SHO Taurus Engine in a Street Rod". Rod and Custom (May 2000): 121–124.
  4. ↑ "SHO 37 Ford article copy". Archived from the original on 2011-07-13.
  5. ↑ "SHO Rod article copy". Archived from the original on 2011-07-13.
  6. ↑ "SHO engine with other Ford Transmissions". Archived from the original on March 14, 2012.
  7. ↑ "SHO V6 in a Healey" . Retrieved 2012-08-17.
  8. ↑ "Wayback archive of Ford Bellhousing information site". Archived from the original on 2003-09-07.
  9. ↑ "SHO n Tell". Jon Mikelonis and Matt Wilder. Archived from the original on 2011-04-26. Retrieved 2008-04-04.
  10. ↑ Ford Motor Company (2007-07-19). 1989 Ford Taurus SHO commercial. Ford Motor Company.
  11. ↑ "Specifications". shotimes.com. Retrieved 2010-07-04.
  12. ↑ Hamilton, Frank. "SHO Down: Have you stomped in a Ford lately?". Minitruckin' (Spring 1990): 28–31.
  13. ↑ "SHO Ranger article copy" (PDF). Archived from the original (PDF) on 2011-07-23.
  14. ↑ "SHO Sable" . Retrieved 2010-08-08.
  15. ↑ "SHO Sable" . Retrieved 2010-08-08.
  16. ↑ "1995 One Lap of America results" . Retrieved 2010-08-08.
  17. ↑ "One Lap of America". www.onelapofamerica.com. Retrieved 2016-03-02.
  18. ↑ "Writeup on Jay Leno's SHOGun #003". Archived from the original on February 4, 2012. Retrieved 2010-08-10.
  19. ↑ "Writeup on SHOGun #001". Archived from the original on April 23, 2012. Retrieved 2010-08-10.
  20. ↑ "Writeup on SHOGun #005". Archived from the original on April 23, 2012. Retrieved 2010-08-10.
  21. ↑ "Writeup on Jay Leno's SHOGun" . Retrieved 2010-08-10.
  22. ↑ "Writeup on the SHOGun Festiva". Archived from the original on 2002-02-07. Retrieved 2010-08-10.
  23. ↑ "The SHOGun". Turbo and High Performance Magazine (September 1994).
  24. ↑ "Shoebox Showoff". Autoweek (December 1990).
  25. ↑ "SHOGun Making Progress". Autoweek (July 1991).
  26. ↑ "Rocket Science". Road and Track (February 1991).
  27. ↑ "Swapping Ends". American Car and Truck. 1 (1).
  28. ↑ Alexander, Don (1991). How to Make Your Car Handle-Techniques for the 90s. Motorbooks International. ISBN   0-87938-418-2.
  29. ↑ King, Ryan Erik. "Ford Festiva Shogun Destroyed In Colorado Wildfire". Jalopnik. Retrieved 2022-01-02.
  30. ↑ "Homemade SHOGun" . Retrieved 2010-08-10.
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