1987 GTP facts

Twin turbochargers were banned and four valves per cylinder were limited to engines up to three liters.

Gianpiero Moretti entered the March 86G Buick formerly owned by Phil Conte. Ian Dawson was to prepare the car.

The Chevrolet Corvette GTP was totally destroyed at West Palm Beach, caused by the heat of the fire.

Essex Racing purchased the Leon Bros March 84G Chevrolet.

Jim Borsos and John Bright built Bob Akin's new Porsche 962 from a honeycomb tub by Jim Chapman.

Bob Wollek had a big crash at Sears Point, driving Jim Busby's Porsche 962. A new honeycomb chassis was being built in Busby's shop.

Rob Stevens and Bernard Jourdain were due to drive the new Alba AR8 Buick entered by John Kalagian.

Tom Kendall drove his father's Lola T600 Chevrolet, which was Chris Cord's former car, at Del Mar.

Tire warmers were being used by some teams.

Tony Dowe was to join TWR and became the team manager.

Steve and Tom Shelton purchased the Brun Motorsport Porsche 962.

The new Ford Maxxum was bought by Roush Racing, who installed a 6,5L engine.

Tom Walkinshaw intended to enter his Jaguar XJR8s at Daytona but he was not allowed, as Silk Cut did not wish to withdraw from his cars.

With fields shrinking to ten GTP cars or so, IMSA was facing a challenge for the future. Normally aspirated cars were to be favored, and restrictors applied to the turbocharged ones. This was aimed at boosting the fields.

Emerson Fittipaldi once again ran the "Spirit of Miami" car. It was a Ford Probe he would drive with Roberto Guerrero.

1987 Lights facts

A new rule was introduced in Lights, requiring every team to run two drivers to be eligible for points.

Jim Downing built the Kudzu DG1, which was a 7/8 Argo JM19 replica.

A Gebhardt 853 BMW was entered for Greg Hobbs in some selected events.

The Spice Fieros became the class of the Lights field, but Jim Downing again took the drivers title.

Spice USA took on Don Bell as his lead driver. He lost the title to Jim Downing at the season Finale.

1987 GTO facts

Willy T.Ribbs incured a two race suspension for accosting Scott Pruett after the Portland race.

The Dingman Bros Pontiac Fiero was powered by a V6 4,5L engine.

Dennis Aase broke his ankles while testing the GTP Toyota at Riverside.

Roman Slobodinsky and Dan Gurney collaborated on the Toyota Celica GTO project. They used a 4 cylinder engine producing 450hp.

Peugeot was supposed to enter in GTO a much modified 505 Turbo, prepared by Jon Woodner. He would be co-driven by Jean Pierre Jabouille. Unfortunately, the project did not come to fruition.

Wally Dallenbach Jr drove for the three top GTO teams this season.

Protofab entered two Chevrolet Camaros and one Chevrolet Corvette, powered by V6 4,5L or V8 5,5L engines, according to the tracks.

Morrison-Cook Motorsports entered a new Chevrolet Corvette, which was intended to collect data for the future Corvette.

The Dingman Bros Pontiac Fiero was built by Spice Engineering and powered by a V6 4,5L engine.The car was not to be entered anymore, after the Del Mar Finale.

1987 GTU facts

Max Jones was to drive George Alderman's Nissan 300ZX Tc for the final races.

It was the last year that the Porsche 914/6 was eligible in GTU.

Tom Kendall won the GTU title in the CCR Mazda RX7, which was the most successful Mazda ever.

The SP Porsche 911 was entered for Gary Auberlen.

Amos Johnson drove the Team Highball Mazda RX7 to the 24 Hours of Daytona victory for the 3rd time in a row.

CCR Racing entered a new Mazda RX7 at the Del Mar Finale

Don Reynolds drove an Electramotive Datsun 280ZX by season end.