Two days-two class at Detroit for IMSA fifth race

IMSA

May 30

The Chevrolet Detroit Sports Car Classic feature a field of 22 cars, split 11 apiece between Grand Touring Prototypes (GTP) and Grand Touring Daytona Pro (GTD PRO) in a a short weekend as Friday will be busy with two free practices and qualifying, Saturday with practice 3 and the 100 minutes race.

18 of the 22 full-season GTP drivers competing at Detroit will be in action at Le Mans in the next two weeks.

Porsche Penske Motorsport domination might change.

Both Porsche 963 have dominated the first four rounds with Felipe Nasr and Nick Tandy in #7 clinching three wins in a row at Daytona, Sebring and Long Beach, one P2 and the 30 points of P2 qualifying in the four races. With their win at at the Laguna Seca Raceway, Mathieu Jaminet and Matt Campbell are second in #6 ahead of BMW Hybrid V8’s #24 duo Dries Vanthoor - Philipp Eng. In the manufacturers championship, Porsche is leading with 1.524 points, 164 ahead of BMW and 202 ahead of Acura.

📷© Luc Warnotte at Sebring. Both Porsche Penske Motorsport Porsche 963 #6 and 7.

The GTP pecking orders may get shaken up this weekend, as weight has been added and power taken away from the Porsche 963 and the BMW M Hybrid V8 GTP cars. Conversely, minimum weight has been reduced and power added to their Acura ARX-06 and Cadillac V-Series.R competitors.