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From Wikipedia, the free encyclopedia

Eagle HF89
ToyotaGTP99-DirtPath1-89mia.jpg
CategoryIMSA GTP sports prototype
ConstructorAll American Racers
Designer(s)Ron Hopkins, Hiro Fujimori
Technical specifications
ChassisAluminum honeycomb monocoque, with tubular steel roll cage
Suspension (front)Double wishbone suspension, coil-spring over damper
Suspension (rear)Double wishbone suspension, coil-spring over damper
EngineToyota 3S-GTM 2100 cc Inline-4 Turbocharged, mid-mounted
TransmissionHewland 6 Manual transmission
FuelTrick
TyresGoodyear
Competition history
Notable entrantsUnited States All-American Racers
Notable driversUnited States Willy T. Ribbs
United States Rocky Moran
Argentina Juan Manuel Fangio II
United States Chris Cord
United States Drake Olson
Debut1989 IMSA Grand Prix of Miami
Last season1991
RacesWinsPolesF.Laps
38532
Constructors' Championships0
Drivers' Championships0

The Eagle HF89 and its evolution, the Eagle HF90, is a racing car built and entered by Dan Gurney's All American Racers team, for the IMSA GT Championship. It was raced from 1989 until 1991 in IMSA's premier sports-car racing category, the GTP (Grand Touring Prototype) division. The design was also sometimes called the Eagle MkII.[1]

Background

From 1983 until 1988, Dan Gurney's team entered cars in the IMSA GTO and GTU divisions, with Toyota Celicas as the basis for their cars.[2] After claiming the driver's and constructors' championships in the GTO division in 1987 with driver Chris Cord, and a third place in the division the following year, the AAR team switched to the IMSA GTP division for 1989.[3]

The team used two types of cars; the other chassis was a TOM'S Toyota 88C car (an FIA Group C-based car). Both were powered by a turbocharged, 2.1-liter inline-4 engine producing approximately 600 horsepower,[4] which was similar to the engines AAR used in their IMSA GTO and GTU cars.

The "Eagle" marque was used by Dan Gurney's AAR team to denote their racing cars, the "HF" comes from the initials of the designers' surnames, Hopkins and Fujimori, and 89 from the two-digit year of its initial competition. Four chassis were constructed, and two were modified in 1990 and reclassified as HF90.[5]

History

The car made its debut at the 1989 IMSA Miami GTP race (car #99), but retired from the event with an engine timing belt malfunction.[6] The team concentrated its efforts on the #98 car; AAR would not enter the HF89 until the Lime Rock GTP race. The car then completed its first race with a 5th-place finish at the following event at the Mid-Ohio GTP race. The HF89 did not finish any other races that season.

By 1990, the Eagle HF89 replaced the 88C, and chalked up its first win at the 1990 IMSA Topeka GTP event, with Juan Manuel Fangio II driving.[7] The team followed up with three more wins: Sears Point, as well as temporary street course races at San Antonio and Del Mar.[3]

While the team experienced some success in 1989 and 1990 with the HF89 and HF90 evolution, the chassis had a very small margin for setup error - in the words of driver Juan Manuel Fangio II, "When were in the window, the car was good in every way, but out of the window, the car was not right at all."[1] This led the team to prepare a clean-sheet design for 1991 - the Eagle MkIII.

In 1991, the HF89 won its final IMSA GTP race with Fangio driving, at the IMSA Camel Continental VIII at Watkins Glen.[8] At the following GTP race at Laguna Seca, the Eagle MkIII made its race debut with AAR, which would eventually replace the Eagle HF89. The final race for the Eagle HF89 was at the IMSA GT race at Portland, where it finished in third place.

References

Note: All specifications from "JOHN STARKEY CARS :: GRYFON INC". Archived from the original on 2008-10-13. Retrieved 2009-02-27.

  1. ^ a b Martin, J.A. & Fuller, M.J. Inside IMSA's Legendary GTP Race Cars: The Prototype Experience, Motorbooks, 2008.
  2. ^ "Toyota Motorsports - History". Archived from the original on 2009-03-01. Retrieved 2009-02-27.
  3. ^ a b "Racing Classics". Retrieved 2009-02-27.
  4. ^ "JOHN STARKEY CARS :: GRYFON INC". Archived from the original on 2008-10-13. Retrieved 2009-02-27.
  5. ^ "Eagle - Sports Racing Cars". Retrieved 2009-03-02.
  6. ^ "wspr-racing.com - International Motor Sport Association". Retrieved 2009-02-27.
  7. ^ "wspr-racing.com - International Motor Sport Association". Retrieved 2009-02-27.
  8. ^ "Eagle-eye: Juan Manuel Fangio II". Archived from the original on 2008-11-20. Retrieved 2009-02-27.
This page was last edited on 3 December 2019, at 06:05
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