racing car designed conjunction compete prototype class racing car takes legendary 1950s combined common lit racing sports designation car marked return level sports prototype racing firm abandoned debut final event american series winning class won championship took class honours outright victory hours major victory endurance racing years time years non premier class won hours overall regulation changes season rendered obsolete car left legacy uses development engine carried racing program category starting design designed completely house engineers chassis rigid carbon engine transmission integral stressed members degree racing engine designed scratch speed electro gearbox braking carbon brake mounted suspension controlled way spring units activated bar springs car dry weight kilograms specification initially kilograms introduction engine initially produced horsepower developed modified meet changing regulations engine developed horsepower direct fuel injection horsepower air limitations race results race debut final round american series entered driven factory team sole finished class fifth overall entered won seven class victories including outright victory mid ohio race victory race major result hours results ensure victory championship drivers standings unveiled known included increase power horsepower joined successful year repeating outright victory series times securing additional class victories won class won drivers championship season won races largest class won rule changes increased weight introduce new direct injection engine developing horsepower car driven secured overall victory hours winning 20th anniversary overall win race outright victory recorded additional class wins 3rd entered attempt lock manufacturers championship won drivers championship won manufacturers championship point ahead netherlands racing switzerland participate series entered hours marking debut event driven came class 10th overall essex team coming second class 12th overall won class race giving standing securing drivers championship team championship new rules brought power approximately horsepower wingspan limited rules effectively decreasing compete previously competed purchased took races best result second class road america team essex competed race spa taking class victory securing class victory finishing 10th overall wheel took race van car announced february contest announced join regular drivers longer races road atlanta width rear wing entire season unlike arch rivals won class hours took outright victory northeast grand prix continued winning success taking outright victory shortened race finished season second championship finished second drivers standings entered hours regulations rendered obsolete costs exceeding budget limit gallery race victories bold indicates pole position indicates fastest lap
Porsche RS Spyder