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1987 Porsche 962 IMSA GTP

Posted by WindingRoad about 5 months, 3 weeks ago

This Porsche 962 is a Chapman-tub example that was delivered to Bob Akin in 1987 and became the last car campaigned by his Coca-Cola/Yokohama/Paradyne-sponsored team in the IMSA GTP series. In its three-race career, chassis C04 was driven by Hurley Haywood, James Weaver, and Vern Schuppan. The car was retained by Akin until 1991, when it was sold to a Michigan doctor. A restoration was performed under subsequent ownership in 2002 by Sean Creech Motorsports, who were again commissioned in 2014 to perform a mechanical overhaul following the current owner’s purchase in 2012. Power is provided by an air-cooled, turbocharged 3.2L flat-six, which was rebuilt in 2015 by Klaus Fischer of Amalfi Racing and is mated to a 5-speed manual transaxle. During the last 15 years the car has participated in historic events such as Rennsport, the Classic 24 Hour at Daytona, and the Rolex Monterey Motorsports Reunion. Wearing the red and black livery with which it raced in 1987, chassis 962-C04 is now offered in Emeryville, California on a bill of sale with invoices for over $67k in work from 2014-2015, documentation of its provenance, and two extra sets of BBS wheels.

The carbon and Kevlar composite body panels are finished in Akin’s red and black Coca-Cola/Yokohama/Paradyne livery, which also features sponsorship from Akin’s Hudson Wire Company. Akin, Weaver, and Haywood are named on the driver’s door, though Akin himself did not drive C04 as he did the team’s other 962s.

The 962 model was constructed around a monocoque tub that on earlier cars was made of bonded and riveted aluminum sheet metal. This example features the updated chassis designed by former Lola engineer Jim Chapman, which incorporates honeycomb aluminum panels and billet-aluminum bulkheads. The chassis was cleaned in October 2014 after the body panels were removed for mechanical work, prior to the car’s participation in the 2014 Classic 24 Hour at Daytona.

Four 18” BBS wheels were fitted in November 2014 and are mounted with Dunlop competition tires measuring 335/660 up front and 380/710 out back. Two additional sets of BBS wheels wearing Dunlop and Yokohama tires are included with the sale. Two-piece slotted and ventilated rotors are equipped all around, and the suspension features double wishbones with coilover dampers up front and rocker-actuated inboard springs and dampers out back.

Inside is a single racing seat on the right side, and the driver is met with a 5-point Schroth harness, a MOMO steering wheel, and a right-side sill shifter. The pedal box is located behind the front axle on 962s in accordance with IMSA GTP rules, a safety update from its Porsche 956 predecessor. A steel roll cage is also integrated.

Instruments include a tachometer and boost gauge behind the steering wheel, as well as fuel pressure, oil pressure, and temperature gauges.

The air-cooled 3.2L flat-six features two valves per cylinder, Bosch Motronic 1.2 engine management, and a single Kühnle, Kopp & Kausch AG K36 turbocharger. Shifting is handled through a 5-speed manual transaxle. An engine overhaul was carried out in March 2015 through Sean Creech Motorsports in Jupiter, Florida, with the rebuild completed by Klaus Fischer of Amalfi Racing. New components included pistons, cylinders, Ni-Resist rings, Carillo connecting rods, main and rod bearings, valves, valve springs, timing chains, and more. Used cylinder heads were refurbished and installed, a camshaft was repaired, and the crankshaft was straightened, balanced, and polished. 

The invoice ... lists additional components addressed during the rebuild, along with a total cost of over $67k. The transmission was also rebuilt around that time with gearing optimized for Daytona, Sebring, and Laguna Seca, as well as a new 8:37 ring and pinion set. A new clutch was installed, and the clutch slave cylinder was rebuilt. A new fuel cell was also installed at that time. 

Videos of the engine running can be seen here:

The video below includes a start up and footage of the car being driven, as well as a walk around with the nose and rear panels removed.

The seller reports that the on-track photographs of the car are credited to the following sources: Ben Hsu,, The Marshall Pruett Archives, Dennis Gray for Sports Car Digest,, Micheal DiPleco for Sports Car Digest,

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