Fully Integrated Robotised Engine

The FIRE (for "Fully Integrated Robotised Engine") is a series of automobile engines from Fiat Powertrain Technologies, built in FCA's Termoli, Betim and also in Dundee, MI (only in 1.4 Multiair versions) plants. It was designed by Italian design firm Rodolfo Bonetto.[1] It is constructed by robot assembly plants ("Robogate") to reduce costs.

"FIRE engine" redirects here. For firefighting apparatus, see Fire engine.
Fully Integrated Robotised Engine
Overview
Manufacturer
Also called
  • FIRE
  • Starjet
  • Super-FIRE
  • T-Jet
Production
  • 1985–2020 (Fiat)
  • 2009–2020 (Chrysler)
Layout
ConfigurationStraight-4
Displacement
  • 0.8 L (769 cc)
  • 1.0 L (999 cc)
  • 1.1 L (1,108 cc)
  • 1.2 L (1,242 cc)
  • 1.4 L (1,368 cc)
Cylinder bore
  • 65 mm (2.6 in)
  • 70 mm (2.8 in)
  • 70.8 mm (2.79 in)
  • 72 mm (2.8 in)
Piston stroke
  • 58 mm (2.3 in)
  • 64.9 mm (2.56 in)
  • 72 mm (2.8 in)
  • 78.9 mm (3.11 in)
  • 84 mm (3.3 in)
Block materialCast iron
Head materialAluminum
Valvetrain
Combustion
TurbochargerIn some 1.4-liter versions
Fuel system
Fuel typeGasoline, Flex-fuel, Ethanol
Oil systemWet sump
Cooling systemWater-cooled
Output
Power output34–170 PS (25–125 kW)
Emissions
Emissions control technologyEGR
Chronology
Predecessor100 series

The FIRE series replaced the old Fiat 100 series Overhead valve engines in the mid-1980s. Mechanically, they are simple inline-four engines with five main bearings crankshaft and overhead cam heads.

Since 1985, it has been constructed in different versions. Displacements range from 0.8 to 1.4 L; 46.9 to 83.5 cu in (769 to 1,368 cc). In addition to the 8 valve versions, there are "Super-FIRE" 1.2 and 1.4 L; 75.8 and 83.5 cu in (1,242 and 1,368 cc) 16 valve versions.

The "Super-FIRE" which uses 16 valves and is available in 1.0 L; 61.0 cu in (999 cc) (Brazil) and 1.2 L; 75.8 cu in (1,242 cc) (Brazil & Europe) displacements.

The 1.4 L; 83.5 cu in (1,368 cc) variation introduced in 2003 is available in both 8 and 16 valves. In 2005 Fiat introduced a version of the 16v incorporating port deactivation (PDA) and EGR. This unit is frequently referred to as the "StarJet" engine. One year later, a turbocharged variety of the StarJet was introduced under the name "T-Jet", and a MultiAir (adding electro-hydraulic intake valve driving, with variable timing, lift and profile) version was added in 2009, available in either naturally aspirated and turbocharged forms. It reached 190 PS on the Abarth 695 Biposto.

The FIRE was originally a carburetor engine, and later progressed to single-point injection (SPI), then to multi-point fuel injection (MPI), using sequential multi-port fuel injection (SMPI) today. It is now used in the 750 Formula in a slightly modified state.

Brazilian production started in 2000 with the "Super-FIRE" 1.2 16V (80 PS), was extended until 2006 with 1.0 8V (54 PS), 1.0 16V (69 PS), 1.2 8V (66 PS) and 1.4 8V (80 PS). By 2016, the two "last Super-FIRE" being produced in Brazil were the reworked (New pistons and crankshaft) 1.0 8V (77 PS) and the 1.4 8V VVT (90 PS), both running on petrol or ethanol fuels.

Starting in 2016, it is being replaced by the GSE (FireFly) engine family.

List of FIRE engines

The FIRE engine has been available in the following displacements:

  • 0.8 L (769 cc) - 65 mm × 58 mm (2.6 in × 2.3 in) bore x stroke
    • SOHC 8V 34 PS (25 kW) (1986 - 1992)
  • 1.0 L (999 cc) - 70 mm × 64.9 mm (2.76 in × 2.56 in) bore x stroke
    • 8V 45 PS (33 kW) (1986 - 1993)
    • 8V SPI 45 PS (33 kW) (1987 - 2003)
    • DOHC 16V SMPI 60 PS (44 kW) (1998 - 2003, Brazil only)
    • 8V SMPI Flex-fuel 77 PS (57 kW) (2005 - current, Brazil only)
  • 1.1 L (1,108 cc) - 70 mm × 72 mm (2.8 in × 2.8 in) bore x stroke
    • 8V 55 PS (40 kW) (1983 - 1993)
    • 8V SPI 50–55 PS (37–40 kW) (1993 - 2000)
    • 8V SMPI 55 PS (40 kW) (2001 - current)
  • 1.2 L (1,242 cc) - 70.8 mm × 78.9 mm (2.79 in × 3.11 in) bore x stroke
    • 8V SPI 60 PS (44 kW) (1993 - 1999)
    • 8V MPI 75 PS (55 kW) (1993 - 1999)
    • 8V SMPI 60 PS (44 kW) (1993 - 2009)
    • 8V SMPI VVT 69 PS (51 kW) (2007 - current)
    • 16V SMPI 80–86 PS (59–63 kW) (1998 - 2009)
  • 1.4 L (1,368 cc) SMPI - 72 mm × 84 mm (2.8 in × 3.3 in) bore x stroke
    • 8V SMPI 77 PS (57 kW) (2003 - current)
    • 8V SMPI VVT 77 PS (57 kW) (2005 - current)
    • 8V SMPI Flex-fuel 90 PS (66 kW) (2005 - current, Brazil only)
    • 16V SMPI 95 PS (70 kW) (2005 - current)
    • 16V SMPI StarJet VVT – PDA 90–95 PS (66–70 kW) (2005 - current)
    • 16V T-Jet 105–120–155–180–190 PS (77–88–114–132–140 kW) (2006 - current)
    • 16V MultiAir 105 PS (77 kW) (2009 - current)
    • 16V MultiAir Turbo 130–170 PS (96–125 kW) (2009 - current)

Applications

Production

As part of the June 10, 2009 Operating Agreement, Chrysler's commercial production of Fully Integrated Robotized Engine began in its Dundee, Michigan facility.[2][3] Chrysler's first FIRE engine model, a 100 hp (75 kW) 1.4-liter FIRE with Multiair engine, was first introduced in Fiat 500 starting in 2010.[4]

See also

References
  1. "OLIVARI - Rodolfo Bonetto". Olivari.it. Archived from the original on 2009-08-27. Retrieved 2009-10-12.
  2. Noah Joseph. "Fiat increases stake in Chrysler to 25%". Autoblog.com. Retrieved 2012-09-29.
  3. "Fiat increases ownership of Chrysler Group LLC from 20% to 25%" (PDF). Retrieved 2012-09-29.
  4. Chrysler Group LLC Introduces Fiat’s 1.4-liter, In-line 4-cylinder, Fully Integrated Robotized Engine with Multiair Technology to Powertrain Lineup
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