1999 Chevrolet Corvette C5 R

Chevrolet Corvette C5-R

The Chevrolet Corvette C5-R is a k touring racer reinforced by Pratt & Miller and Chevrolet for contender in survival racing. The car is based on the C5 contemporaries of the Chevrolet Corvette sports car, yet is intentional strictly for motorsports use. It became one of the virtually prevailing cars in GT categories, with wins at the 24 Hours of Daytona, 12 Hours of Sebring, and 24 Hours of Le Mans, besides as championships in the American Le Mans Serial. The Corvette C5-Rs debuted in 1999 and continues to be raced to this day, although the C5-R has efficaciously been replaced by the Corvette C6.R.

1999 Chevrolet Corvette C5 R

Development

The Corvette C5-R was parting of a design by World-wide Motors and their Chevrolet blade to make a mill squad to enter in m touring races not lone in N America, but too elsewhere in the humankind, virtually notably at the 24 Hours of Le Mans. GM had antecedently been against affirmative mill reinforcement for Corvette racing programs, although the IMSA GT Backup’s Corvette GTPs had seen around supporting until they concluded contest in 1989. With the one-fifth propagation Corvette nonetheless, GM chose to display the execution capabilities of the new car by victimisation a more production-based racer alternatively of the “in-name-only” Corvette GTP. Their intentions were to play Duck and Porsche, who were already functional in the class at the metre.

Oecumenical Motors chose the Pratt & Miller grouping of Michigan to bod and recrudesce the new racing cars, also as to devise the racing squad in prep for a unveiling in 1999. Riley & Scott too aided in the externalise, linear a s squad for a yr. Since regulations in position at the meter express the squad to victimization elements of yield Corvettes, Pratt & Miller and GM put-upon hard limited route car mules to trial out the locomotive and former equipment that the racing cars were to use.

1999 Chevrolet Corvette C5-R

Late, the real slipstream figure were reinforced, communion solitary canonic key geomorphologic elements with the route cars. A firewall was situated straightaway arse the driver’s behind in the cockpit, eliminating any behind visibleness inwardly the car. A expectant diffusor and annex were added to the behind, spell a divider and vents on the punk were added to the presence. The figurehead headlights were besides replaced with relieved perm units in spot of the pop-fly headlights on the route car.

1999 Chevrolet Corvette C5 R

The C5-R initially secondhand a 366 ci (6.0 litre) V8 locomotive based on the route car’s LS1. This was replaced with a bigger 427 ci (7.0 litre) locomotive respective months late during the 1999 flavor, and became the criterion locomotive for the C5-R for the relaxation of its calling. Katech Locomotive Developing constructed the C5-Rs engines, although they maintained elements of the yield LS1 units.

11 C5-R build were reinforced by Pratt & Miller betwixt 1998 and 2004, with ten beingness ill-used straightaway by Corvette Racing and one reinforced strictly for privateersman use. A duodecimal car C5-R framing was reinforced, but served simply as a run scuff for the C6.R.

1999 Chevrolet Corvette C5 R

Modifications

As the C5-Rs competed o’er the age, legion modifications were carried out in an endeavour to ameliorate the C5-R’s capabilities against stronger competitors. Among the modifications were changes to the bodywork’s aeromechanics in an undertake to increment downforce. The cowling conception was changed during the 1999 flavour to supersede the pocket-size spline vents with a heavy outdoors gap allowing air to departure more freely from the figurehead grillwork. The tierce and one-quarter build reinforced during 2000 were really unlike from the initial two, due to beingness reinforced tercet inches wider to meliorate cornering clasp.

Posterior modifications included about engineering highly-developed on the C6.R, including air conditioning systems for driver consolation and a ass scene camera on the bumper and supervise in the cockpit to overtake the want of a arse windowpane.

Corvette Racing

With two cars realised, Corvette Racing entered the 1999 24 Hours of Daytona for the Joined States Route Racing Title. The Corvette C5-R of Canadian Ron Fellows and Americans Chris Kneifel and Trick Paul, Jr. managed to coating the survival issue in Eighteenth boilersuit, 34 laps ass the class-winning Porsche. Later failures at the 12 Hours of Sebring, Riley & Scott ran a few more rounds of the American Le Mans Serial to conclusion off the twelvemonth. A alone C5-R ruined arcsecond in category buns a mill Circumvent Viper at Sears Pointedness, and again at Lagoon Seca.

In 2000, Pratt & Miller took ended as the lone Corvette squad, again start the temper at Daytona. The Corvette of Fellows and Kneifel, now linked by Britt Justin Campana, greatly improved on their late resultant by finish in indorsement berth boilersuit, a min ass a mill Viper and easy outperforming several prototypes. Withal the squad was not able-bodied to mates the functioning of the Vipers at Sebring, nor at their unveiling at Le Mans. The squad rebounded though, as they earned their low year victories upon reverting to the ALMS. The Corvette squad managed to turnover the Viper team at Texas besides as the Petit Le Mans. Eventide though the C5-Rs ran solitary a overtone flavor, the squad earned thirdly situation in the GTS course title.

1999 Chevrolet Corvette C5 R

2001 again saw betterment at the orifice of the mollify at Daytona. The C5-Rs outlasted the prototypes in the bailiwick and earned themselves the boilersuit run triumph. The raceway besides saw the get-go drives by Dale Earnhardt and Earnhardt, Jr. in both the 24 Hours and the Corvette C5-R, with their car coating quarter boilersuit. Belief that the C5-R was a able victor anyplace, Pratt & Miller ran their kickoff good temper of the ALMS and earned six course victories, including their endorsement at the Petit Le Mans. The C5-R too took its low triumph at Le Mans, coating 8th boilersuit and 34 laps forrader of the nighest rival in their grade.

Corvette Racing did not regaining to the 24 Hours of Daytona in 2002 due to principle changes therein case’s patronage, but they did uphold their run in the American Le Mans Serial. Corvette won niner out of the ten events, including their kickoff family triumph at the 12 Hours of Sebring. Their sole release came to the new Prodrive Ferrari squad. Corvette secured their endorsement win at Le Mans in 2002 too.

2003 saw the commencement dispute to Corvette Racing’s two days of say-so in their year. Prodrive chose to embark their Ferraris in the total ALMS flavour besides, and although they were not warm former in the temper, they managed to win the death quatern events of the flavour, including Petit Le Mans. Corvette Racing was yet able-bodied to fix their thirdly backing by a bare iv points o’er the Prodrive squad. The Ferraris would tap another puff though as they managed to end Corvette Racing’s Le Mans run, an case in which Corvette Racing famous the Fiftieth anniversary of the Corvette.

Prodrive did not counter to the American Le Mans Serial for 2004, allowing Corvette to expanse the integral mollify and clear their one-quarter full-strength backup. Although Prodrive did contend at Le Mans, Corvette Racing was able-bodied to revenge their deprivation and add their tierce form triumph at the result. This temper was the last one for the C5-R nether the Corvette Racing standard. The exploitation of the C6 coevals Corvette for 2005 leading to an all-new racer, termed the Corvette C6.R, which the mill squad victimized at the root of the 2005 flavor.

1999 Chevrolet Corvette C5 R

In amount, Corvette Racing’s C5-Rs would realise 31 category victories in the American Le Mans Serial, tercet form wins at Le Mans, and one boilersuit triumph at Daytona.

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