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Current Motorsport Status and History including Formula 1 (F1), World Endurance and GT (WEC, IMSA, Weathertech), IndyCar (NTT), and NASCAR (Monster Cup) racing. Please explore and enjoy your niche for speed.

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1983 IMSA GT Season

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1983 IMSA GT Season
Photo Credit: Chris Kennedy.
Champion Constructor: None
Putative Constructor: Garretson Porsche (US,0,1)
Champion Driver: Wayne Baker (US,1,1)
Putative Driver: Wayne Baker (US)
Putative Constructor Entry Specification: Model 934, 2.99-liter 930, six-cylinder boxer, aluminum engine, SOHC, fuel injection, turbocharged, four-speed, ventilated cross-drilled disc brakes, unitary steel chassis, lower wishbone/semi-trailing arm independent suspension, 490 horsepower (Norbert Singer).

Garretson Racing with its aging yet very capable Porsche 934 entry holds off a late season charge from Devendorf Datsun and the ZXT to capture the IMSA GT class putative constructors' title. Garretson driver Wayne Baker nudges out teammate Jim Mullen for his maiden GTO drivers' crown.

HeM applies the Putative Model to all racing seasons for two primary purposes: First, to effectively normalize all racing seasons for empirical comparison across the decades, and second, to step clear of series organizers which score season championships primarily out of commercial interest or to attract manufacturer participation. The Putative Model simply scores all seasons in the same fashion as a standard track and field meeting, with the only purpose of tracking what takes place at the finishing stripe If the Putative Champion differs from the nominal Series Champion, please note the (SC) notation below.

Garretson Porsche71     Baker W72
Devendorf Datsun57     Mullen J69
Stratgraph Camaro52     Devendorf57
Montoya BMW45     Miguel F51
Knoop Mazda42     Adamowicz49
Fomfor BMW30     Montoya D45

Noteworthy 1983 Races

History-3: No Rows Returned for User Request.