May 6, 1990

At the Sears Point Raceway, in California, round one of the SCCA Escort World Challenge series is held.

• 2nd: Bobby Carradine and Lou Gigliotti in the #4 Corvette.
• 3rd: Stu Hayner and John Heinricy in the #98 Corvette.

June 2, 1990

In Addison, Texas, the 45 minute Grand Prix of Dallas is held, round two of the SCCA Escort World Challenge Series.

• 1st: R.K. Smith in the #50 Corvette.
• 2nd: John Heinricy in the #97 Corvette.
• 3rd: Lou Gigliotti in the #4 Corvette.

April 11, 1991

At Lime Rock Park, the first race of the IMSA Bridgestone Potenza Supercar Championship series is held.

• 2nd: Kim Baker in a Corvette ZR-1.

May 1991

At the Sears Point Raceway, in California, the season opening race of the Escort World Challenge is held.

• 1st: Shawn Hendricks in the #4 Corvette.

1991

The Nevada Open Road Challenge is held.

• 2nd: A. Scherfenberg and Drew Bucci in a 1984 Corvette, averaging 175.79 mph over the course.

1991

In Dallas, Texas, the second round of the Escort World Challenge race is held, in the Pontiac Grand Prix of Dallas in Addison.

• 1st: R.K. Smith in the #2 Corvette.
• 2nd: Shawn Hendricks in the #4 Corvette.
• 3rd: John Heinricy in the #98 Corvette.

June 15, 1991

At the Bira Circuit raceway in Pattaya, Thailand, the Gentlemen Racers Club Supercar Challenge race is held, over two days.

• 1st in non-turbo class, 3rd overall: Laury Scott in a 1990 Corvette.

July 14, 1991

At the Des Moines Grand Prix, in Des Moines, Iowa, the SCCA Escort World Challenge race is held.

• 1st: Shawn Hendricks in the #4 Corvette.
• 2nd: R.K. Smith in the #2 Corvette.

August 10, 1991

At the Mosport Park raceway in Bowmanville, Ontario, a 24-hour Escort World Challenge Series race is held over two days.

• 1st: R.K. Smith, Ken Wilden, David Empringham, Richard Spenard, and Peter Cunningham in the #2 Corvette.
• 2nd: Kat Teasdale, Bill Cooper, Boris Said, Peter Hanson, and Jim Minnekerin in the #5 Corvette.

1991

In Denver, Colorado, a one hour SCCA Escort World Challenge Series race is held.

• 2nd: Shawn Hendricks in the #4 Corvette.

September 22, 1991

At the Road America raceway at Elkhart Lake, Wisconsin, the one-hour Escort World Challenge race is held.

• 2nd: Shawn Hendricks in the #4 Corvette.

1991

The SCCA National Solo II Championships are held.

• 1st in Class B Prepared: Larry Park in a Corvette.
• 2nd in Class B Prepared Ladies: Pati Park in a Corvette.

1991

At the Texas World Speedway, an Escort World Challenge race is held.

• 2nd: Shawn Hendricks in the #4 Corvette.
• 3rd: Andy Pilgrim in the #97 Corvette.

1991

At the Autodromo Del Norte in Saltillo, Mexico, the last Escort World Challenge race of the season is held.

• 1st: Andy Pilgrim in a Corvette.

1991

End of the SCCA Escort World Challenge Series.

• 1st: Shawn Hendricks in a Corvette.
• 3rd: Andy Pilgrim in a Corvette.

February 23, 1992

In Miami, Florida, the Grand Prix of Miami is held. The opening round of the IMSA Bridgestone Potenza Supercar Series is held.

• 2nd: Shawn Hendricks in a LT1 Corvette.

1992

In Miami, Florida, the IMSA Exxon Supreme Series Grand Prix of Miami is held.

• 3rd in GT Supreme division: Luis Rafeal Mendez in a Corvette.

1992

At the Firebird International Raceway in Arizona, the first race of the SCCA World Challenge series is held.

• 1st: Shawn Hendricks in a Corvette.
• 2nd: Bill Cooper in a Corvette.
• 3rd: R.K. Smith in a Corvette.

July 11, 1992

In Des Moines, Iowa, the second race of the SCCA World Challenge series is held.

• 1st: R.K. Smith in the #2 Corvette LT1.
• 2nd: Shawn Hendricks in a Corvette.
• 3rd: Bill Cooper in a Corvette.

July 19, 1992

In Watkins Glen, New York, the third race of the SCCA World Challenge series is held.

• 1st in Class A: Bill Cooper in a Corvette.
• 2nd in Class A: R.K. Smith in the #2 Corvette.
• 3rd in Class A: Jim Minneker in a Corvette ZR-1.

1992

In Lime Rock, the fourth race of the SCCA World Challenge series is held.

• 1st: Kim Baker in a Corvette.
• 2nd: Bill Cooper in a Corvette.
• 3rd: R.K. Smith in a Corvette.

1992

At the Burke Lakefront Airport in Cleveland, the fifth race of the SCCA World Challenge series is held.

• 1st: R.K. Smith in a Corvette.
• 3rd: Kim Baker in a Corvette.

August 15, 1992

At the Mosport Park Raceway in Bowmanville, Ontario, the sixth race of the SCCA World Challenge series race is held, the 24 Hours of Mosport, over two days.

• 1st: Jim Minneker and Kim Baker in a Corvette ZR-1.
• 2nd: John Heinricy, Stu Hayner, and Ron Nelson in the #98 Corvette.

August 22, 1992

The seventh round of the SCCA World Challenge Series is held at Road America.

• 1st: Bill Cooper in a Corvette.
• 2nd: Jim Minneker in a Corvette.
• 3rd: R.K. Smith in a Corvette.

October 3, 1992

The eighth and last race of the SCCA World Challenge Series is held at Sears Point Raceway, in Sonoma, California.

• 1st: R.K. Smith in a Corvette.
• 2nd: Kim Baker in a Corvette.

October 3, 1992

End of the 1992 SCCA World Challenge Series.

• 1st: R.K. Smith in a Corvette.
• 2nd: Kim Baker in a Corvette.
• 3rd: Bill Cooper in a Corvette.

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