Gallery – Brumos Porsche 250 at Daytona International Speedway

The Brumos Porsche 250, also known as the Paul Revere 250, is a 250-mile sports car race support race held on the road course at Daytona International Speedway on the Independence Day the weekend of the NASCAR Cup Series’ Coke Zero 400. James Boone was there at the event to capture this machine in action. Take JUMP for the images.

It has been held off-and-on over the history of that event, either the same night, or a couple days before. The traditional date meant the race was usually held late at night, and finishes in the early morning hours of the next day. The theme of the race is based on the famous “Midnight Ride” of Revolutionary War patriot Paul Revere.

From 1967-1968, the race was sanctioned by the SCCA. From 1969-1972, it was held as part of the NASCAR Grand American tour. Starting in 1973, it became part of the IMSA circuit, and continued through 1983. In 1984, it switched to an SCCA Trans-Am event for one season. For 1985-1986, it was a motorcycle race, then it was discontinued.

In 2000, the event was revived by the Grand Am series. The tradition of starting late at night, however, was muted somewhat. The event was scheduled as a Thursday or Friday night event, immediately following NASCAR pole qualifying and/or final practice. The start time would be roughly 10 p.m. Attendance for the weeknight races, however, were very sparse. NASCAR’s typical weeknight qualifying crowd is normally small, and most of those that were in attendance left as soon as qualifying was over. In 2009, the race was moved to Saturday afternoon as part of the Grand Am/Sprint Cup day-night, same-ticket, doubleheader.

In the earlier years of the event, a number of NASCAR drivers who participated in the Firecracker 400 also drove in the Paul Revere 250 in the same day or same weekend. In recent years, some drivers have also dabbled in the “double duty.” In 2009, Scott Speed and Kyle Busch raced in both events in the same day, teaming up at Chip Ganassi Racing for the ’250.’

Only in GT can one see nimble, flat-six Porsche GT3s take on big bore V-8 Corvettes and Pontiac GXP.Rs, while also mixing it up with three-rotor Mazda RX-8s, mid-engine Ferrari 430s and BMW M6 coupes. Engines in GT machines produce between 390 and 450 horsepower depending on the car, and minimum weights range from 2,200 to 2,800 lbs. The Mazda RX-8 is the lightest car, weighing in at 2,200 pounds.

The top category in GRAND-AM Road Racing, Daytona Prototypes are exotic, mid-engine machines that are purpose-built strictly for competition on the track. Low to the ground and capable of speeds in excess of 185 mph, Daytona Prototypes also feature the latest in safety technology, including carbon fiber side impact panels and a multi-point roll cage with a unique center post at mid-windshield.

Daytona Prototypes are produced to similar specifications by five approved constructors – Riley Technologies, Dallara, Crawford Race Cars, Coyote and Lola. Although each chassis is independently designed and manufactured, competitor modifications are highly limited by GRAND-AM rules and certain parts – including series-standard rear wings – are mandated by the series. A Daytona Prototype chassis costs between $400,000 and $550,000, but the cars have been raced in their current configuration for several years within Grand-Am’s stable rules package.

Manufacturers are welcome to submit any production-based engine for approval in the series, but turbos and superchargers are not permitted. Engines that are currently approved for competition include powerplants from Pontiac (5-liter V-8), Lexus (5-liter V-8), BMW (5-liter V-8), Porsche (3.99-liter flat-six and 5-liter V-8), Ford (5-liter V-8), Honda (3.8-liter V6), and Infiniti (4.3-liter V-8). All engines are tuned to produce around 500 horsepower and each is capable of being mated to any of the approved Daytona Prototype chassis, which creates an interesting variety of chassis/engine combinations.

This year, Drivers Scott Pruett and Memo Rojas of the TELMEX Chip Ganassi Racing with Felix Sabates team celebrated the 100th race for the Daytona Prototype class by scoring an impressive victory in Saturday’s Brumos Porsche 250.

Info : Grand-am / Wikipedia

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