care building his personalized ZR1 with hours of telephone advisory assistance from the folks at Doug Rippie Motorsports in Minnesota.
  Cowgill is somewhat of a Rippie zealot. He confides, "You remember the Challenge Corvettes in 1989 and 1990? Those cars were mostly built by Doug Rippie." Rippie won the Challenge series in 1989 and the World Challenge in ‘92.
  Scott’s talk of Rippie "cheater parts" perked up our ears. The story line is that Rippie made rear end brackets that appeared to be stock Corvette, but they were modified to keep the tires flat on the ground. Now, Cowgill says, Rippie is offering these parts to the public.
  He took advantage of them. One is Rippie’s "FX3 Shock Controller," which increases the range of shock valving change within the tour,

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