Preamble – Early History In 1976, the rules for the World Championship of Makes (Sports Cars) changed to use the CSI (FIA) Group 5 category of cars. Group 5 was a highly modified street- car. It was an extension of Group 4, which was a modified road car requiring a...
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I attended my first race in 1967, an USAC Indy car event at Trenton Speedway, and the race was won by AJ Foyt. I subsequently attended my first sports car races at Daytona and Sebring in 1971 as a spectator while I was still in college. Both of these races were won by the great Porsche 917. Later I joined the SCCA (Sports Car Club of America) and became a tech inspector at the local races. This then led to volunteer work as a Tech Inspector with IMSA when they first started, my first races with IMSA were in the 1973 season. After college I worked as an engineer with Bechtel building power plants. Further college studies ensued, resulting in an MBA which has led to a long career at IBM as a Systems Engineer…with time off for racing of course. I worked on and off as a Technical Inspector for IMSA through 1977, and then in 1978 I started with Dick Barbour racing (Garretson Enterprises) in Mountain View, California, as it was just a half mile from my house. Typically, I spent my days working at IBM, and the nights at the race shop. This continued through until 1984, working with Bob Garretson and Wayne Baker. This was followed by working with various teams racing a 962, sometimes for a whole season, or sometimes just for a few races as required. In 1991, I took a one year leave of absence from IBM and worked full time at Alpha in Japan in the Japanese Group C championship. Notable sidelights in 1984-86 seasons included working on the Carlsen Porsche team running 944s and 944 turbo cars in the IMSA Firehawk and SCCA showroom stock championships. Further racing efforts followed through the 1990s and on into 2015 with Kevin Doran and Doran Racing, supporting Gianpierro Moretti and Fredy Lienhard Ferrari 333 projects, Dallara’s, Grand Am Prototypes, as well as various vintage racing activities.
History At the start of the IMSA 1987 season, I was working for Bob Akin’s team running a Porsche 962 in IMSA. We did Daytona and Sebring, finished both races, then Akin decided to stop racing (He would briefly return later in 1987). Back then in IMSA, the teams were...
Launching the Firehawk Series For the 1985 Sports Car Racing scene in the USA, IMSA had decided to start a new series. This would be a “Showroom Stock” series, basically running stock dealer road cars with roll cages and basic safety equipment. The series was called the Firestone Firehawk Series,...
In Memory of Bob Garretson (1933–2025) Bob Garretson passed away earlier this year, just after celebrating his 92nd birthday. He leaves behind a legacy that resonates far beyond the podiums and trophies. Bob was a quiet giant of American endurance racing—a man who led by example, raced with integrity, and...
936 Beginnings The Porsche 936 was an odd car for Porsche. It was the result of an almost overnight decision by Porsche Managing Director Ernst Fuhrmann in the mid 1975 time- frame. Porsche had spent the past years since 1973 developing cars for the upcoming World Championship of Makes rules...
The Le Mans 24-Hour race is arguably the greatest motor race in the world. It started in 1923 on some public roads at Le Mans, France and continues to this day. While there maybe a few older races, notably the Indianapolis 500 and the Isle of Man TT, Le Mans...
THE HISTORY The Porsche 963 follows on from a long line of successful cars and racing successes. Ferdinand Porsche started the company bearing his name in 1949. Almost immediately they started racing, to test the products. They were very successful during the 1950’s winning many events in the lower classes. ...
The 1979 Sports Car season at Dick Barbour Racing would once again start with probably the toughest race, the Daytona 24 hours. In late 1978 we had just sent the Team’s Porsche 934 1/2 down to Mexico City for the Trans Am race in November of 1978. Janet Guthrie had...
HSR (Historic Sportscar Racing) held its now annual 24- hour historic event at Daytona on November 5-6. The 24-hour is formatted the same way as the Le mans Historics. Cars are divided into groups (7 total) and each group must complete four “1- hour” sessions. Note, groups C & D...
Sports car racing went through some turbulent times in the early 1970’s. At the start (1970) the world championship was decided by the 5.0 liter sports cars such as the Porsche 917 and the Ferrari 512. The FIA /CSI (International rules body) at first did not think anyone would build...
Although a relatively late starter compared to others in the 20th century, what Porsche has accomplished over its 75-year history is quite remarkable. Few other manufacturers can match Porsche’s success in the showroom or on the racetrack over the past 75 years. Author Randy Leffingwell has written a new book...
The Porsche 911 is without a doubt one of the most iconic cars of the 20th century. First built in 1965 to replace the 356 model, it is still made today, albeit under different model names (but the basic design remains). It took nearly eight years for Porsche to finalize...
The 24 hours of Le Mans is arguably the world’s greatest race. It started in 1923. Porsche first entered the race shortly after the second World war in 1951, as a fledgling manufacturer. They have an unbroken run of competing for seventy years. When Porsche started—having just been producing the...
In 1996, Reinhold Joest entered a WSC Porsche (an open cockpit prototype sports car) at Le Mans. The car was an unknown quantity never having raced before. Although simulations and calculations by Porsche indicated it might be favored over the GT1 class cars (cars based on road cars per the...
Some say this was the best Daytona 24 hour ever. It certainly was the closest finish up to that point in time. My friend Hal Crocker called this time in sports car racing, a battle of the giants. This was the last year of the 5.0-litre sports cars in the...
I first came to this race in 1971, so this would be my 50th year at the Daytona 24 hours. It is an interesting exercise to look back at what has changed over the years. The circuit The track has changed quite a bit since I first attended. Back in...
Yes, you might think the title is a mis- print, but it is not. HSR (Historic Sportscar Racing) put on their now annual Historic 24-hour race for vintage cars at Daytona International Speedway from 4-8 November. This event is run in a similar fashion to the Le Mans 24 historic...
1973 saw a return to normality for the Daytona 24-hour race. The distance was set back at 24 hours, after running only a 6-hour length in 1972. Ferrari in 1972 had petitioned the FIA to keep races at 6-hours, as the reliability of the 3.0-litre prototype cars (312PB) was suspect...
This year was the 58th Running of the Daytona 24. It started in 1962 at just three hours in length, expanded to 2000 km, then 24 hours in 1966. The 1972 race was shortened to six hours, and the 1974 race was cancelled due to the fuel crisis in the...
By the time the Dick Barbour Racing team arrived in Portland for the Rose Cup IMSA race in August of 1980, we were in good spirits. The week before at the Sears Point IMSA event, the team had finished 1-2 with two 935s driven by John Fitzpatrick and Bobby Rahal....
The Roar at Daytona was completed on Sunday 6 January. This has become a standard three-day test put on by IMSA for the Daytona 24 hours, always in the first week of January. It is mandatory for all entrants (of the 24 hour) to attend as IMSA uses it to...
IMSA of course has several Marquee events, including the Daytona 24-hour, Sebring 12-hour, Watkins Glen 6-hour, and the Petit Le Mans. The Petit Le Mans is a hold-over from the ALMS series of Don Panoz in years gone by, and in the years since the merger (Grand-Am series and ALMS),...
IMSA once again came to Laguna Seca for the penultimate round in the 2019 Championship. There was a buzz of excitement in the air at Laguna this year, as the track has scheduled a motorsports extravaganza in the back-to-back weekend events of IMSA, then the INDY car finale on 22...
It may have taken place just over a week ago, but the Rolex Monterey Motorsports Reunion 2019 was another top-drawer event that should be celebrated for the manner in which it has lifted the profile of yesterday’s great race cars. The growth in historic race reunions, revivals, festivals and the...
The Hillsborough (California) Concours d’ Elegance, on 21 July 2019, has been held for 63 years. It started in 1956 and is reportedly the longest running consecutive (in years) Concours in existence. It is held in Hillsborough California, a well-to-do suburb south of San Francisco. It’s well supported by local...
In the early 1980’s there was a divergence in the rules for sports car racing world-wide. IMSA (International Motor Sports Association) in the USA proceeded with the GTP concept. The GTP (Grand Touring Prototype) was a prototype car using street car based engines. By 1982, the FIA was moving to...
A lack of testing proved to be the downfall of the Porsche-Lola T600 in the 49th running of the Le Mans 24 Hours in 1981. But let us not get ahead of ourselves… The 1981 season had started out well for the Garretson team. The team was preparing the cars...
I was really looking forward to the 1989 Daytona 24 Hour race. I had been working as a weekend warrior for Bruce Leven’s Bayside team since early 1987. The team had enjoyed successful seasons in 1987 and 1988, winning multiple IMSA races, the Sebring 12 Hour twice and the Porsche...
Despite crewing for one of the teams at this year’s Rolex 24, our man on the ground, Martin, had some time to wander around the Daytona paddock. He sent back some impromptu shots of the goings on before work pressure kicked in. With four decades of experience in this arena,...
There are three Sports Car endurance races that have been run over the past sixty-plus years that have been referred to as the ‘Triple Crown’. Arguably, some can say other races should also be included, but these three have withstood the test of time, and they are the Le Mans...
It’s hard to know where to begin when writing a report on Porsche Rennsport Reunion VI. It was both an emotional and a sensory overload! A reunion with people not seen for a while, and the historical impact of all the rare cars. This was the sixth iteration put on...
The IMSA series came once again to WeatherTech Laguna Seca Raceway in California for the penultimate round in the 2018 WeatherTech Championship. The weather was typical California coastal September weather, cool with fog and cloud in the early morning, burning off later to reveal bright sunshine by mid-day. The good...
I have always wondered, what the Goodwood FOS (Festival of Speed) was all about. Was it a race, a hill-climb, a demonstration of old race cars, or a car show? Well, I had the opportunity to find out this year. In this feature, a ‘First Timers’ view of the Goodwood...
In the early to mid-1970’s I had been working part time (race weekends) as an IMSA tech inspector at some of the races, mainly the ones that I could fit into my work schedule of my day job as an engineer. At some point, I had decided that eventually I...
There is a collection of cars that every racing and car enthusiast should see. It is at the Autobau, located in Romanshorn, Switzerland. On the southern shore of Lake Constance, the Autobau is easily accessible by train (it is located right next to the Romanshorn main train station) and is...
Dick Barbour went to Le Mans as an entrant for the first time in 1978. He entered two Porsche 935s at the classic French Enduro. He had started racing in IMSA in 1977 after having bought one of the original ten Porsche 934.5 models offered by the factory for IMSA...
Martin Raffauf’s 2018 Daytona Notebook takes a comprehensive look at the whole Daytona race week. Martin has been going to Daytona in one form or another for 47 years, so one could say he is something of an expert on the race. Editor The Daytona 24 Hours was first held...
Continuing with our Daytona diary, Martin has sent us the following selection of images from the Rolex 24. So catch up with the action… Wednesday’s on track activity was limited to practice for the Ferrari challenge and the IMSA Continental Challenge. The Weathertech cars will run for the first time...
We have our key man, Martin Raffauf, on the ground at the Rolex 24 at Daytona reporting for Porsche Road & Race, and he has sent a few shots of the happenings there on 23 January 2018. This was the first day of this great event where activities were limited...
The ANDIAL 935-L ‘Moby Dick’ race car was a one-off creation that raced between 1982-1985. Without any help from the factory, the small team of dedicated professionals at ANDIAL with significant help from Glen Blakely, this 935-L won the Daytona 24 Hours in 1983 and finished second in 1984, with...
The Flying Tigers strike again! Being the best on the planet in something, even for just a short while, has got to be a great feeling. The sense of accomplishment is high. But whatever it is, it’s not going to be easy. There are a lot of other people you...
IMSA visited the iconic Mazda Raceway Laguna Seca for the penultimate race in the 2017 championship. The Laguna Seca circuit has been around since the 1950s and is one of the most enjoyable tracks to visit in the USA. The circuit is a demanding one, with the famous corkscrew corner...
This is a story of the incredible career of Porsche 935 009 00030, one of the most amazing race cars ever, or as someone once said, the car of a thousand faces. Also known as the ‘Old Warhorse’, Porsche 935 009 00030 is one of the most storied cars ever...
By 1981 at the earliest, and for sure by the 1983 season of sports car racing, it had become clear to most that the Porsche 935 was reaching the end of its useful racing life. While it had been a great car, it just could not compete with the new...
Le Mans 1990 was a whole new ballgame. The circuit had changed drastically. The famous Mulsanne straight was now going to have two chicanes in the middle of it. This was part of the new FIA mandated changes to circuits to improve safety. Four-mile-long straights such as the Mulsanne were...
By the time that we reached the IMSA Riverside Los Angeles Times Grand Prix in April, the Dick Barbour Racing team’s IMSA GT championship season had been a mixed one. 24 Hour Pepsi Challenge – Daytona (2/3 February) We had started at the Daytona 24 Hours with a new Porsche...
The Garretson Developments Sports Car team entered two cars at Le Mans 1982, a March-Chevrolet and a Porsche 935. The March was an 82G, the March IMSA GTP car. The March was a fast car, but fragile. Most of the problem was due to the use of the Hewland DG300...
Peter Gregg was the IMSA driver every one strived to beat. He started in the early ‘70s with Porsches and had done very well. He won the first championship in 1971, sharing a Porsche with Hurley Haywood in the GTU class (under 2.5-litre). By 1973 he was running the iconic...
Le Mans in 1980 was in kind of a transition. The Porsche 935 K3 had won the prior year. Kremer built on the success and sold quite a few customer cars, and kits to update older cars. Dick Barbour had bought a brand-new car to start the season, and was...
The 2.6-litre Porsche 956 which raced in the 1982/1983 seasons in Europe, was not accepted for racing in the USA, and so the 962 was developed by the factory. The sticking point was that the pedal box of the 956 sat just ahead of the front axle centre line, and...
The 1983 Sebring 12 Hour was an epic event. Back then the race was run on the ‘old circuit’ which was over 5.2 miles in length, bumpy, in disrepair, and it was a real battle to even finish a 12- hour event there, being very hard on both driver and...
The IMSA season in the 1970s always started with the two toughest races on the calendar, the Daytona 24 Hours and the Sebring 12 Hours. Daytona was tough because back then, there was no chicane, and more than fifty per cent of the race was in the dark. The traffic...
The 2017 Daytona 24 hours has an interesting field and mix of cars, especially in the GT class. Although I have been involved in racing sports cars for over 40 years, I found the rules for the GT classes quite confusing this year. Gone are the days of Group 4...
Sports car racing changed drastically in the early- to mid-1970s. The rules for the World Championship shifted away from the 5-litre cars such as the 917 and Ferrari 512, to the 3-litre versions such as the Ferrari 312PB, Porsche 908 and Alfa Romeo T33 in 1972. While most Porsche customers...
A lot of people have asked me over the years, what is it like to plan, prepare for and run a 24-hour sports car race. It has changed somewhat over the years from the days of the Porsche 935 at the 1981 Daytona 24 Hours. Many of today’s cars are...
The Race for the Pork Cutlets… The end of June 1980 was a busy time at Dick Barbour Racing. We had just run at Le Mans with two Porsche 935 cars, chassis 009 00030 and 000 0023. Car 000 0023 was a brand-new Kremer K3 that had just been picked...
Le Mans 1979 was a race for the ages. The Dick Barbour team had prepared and brought four 935 Porsches to qualify and race. They were as follows: Chassis 009 00030 was a brand new car (#70). This car had been built up from a bare chassis in the team’s shop...



























































