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1 of 24. Extremely rare Andial modified 993 Turbo
Dieter Inzenhofer’s (ANDIAL) personal 993 Turbo
3.8-liter twin turbo engine upgrade - 571 HP
6-speed transmission with custom ring and pinion gear
Quaife Eng. limited slip differential
Matching numbers engine and transmission
Maintenance records
Few motorsport partnerships can draw attention like Porsche and ANDIAL, combining the German manufacturer's prestigious racing cars with the performance shop's motorsport know-how and ingenuity. With their relationship spanning multiple decades, Porsche often turned to ANDIAL for optimization of components for their race cars. From engines to suspension components, the Santa Ana performance shop was known as an industry leader and an expert in motorsports applications. It should come as no surprise that ANDIAL would eventually breathe some of their talent into Porsche's street cars, and this 1996 Porsche 993 Turbo with an upgraded 3.8-liter motor is one of those rare finds. The car on offer here is the culmination of these two legendary brands coming together.
First registered in late of 1995 in New Jersey, the original owner had the car until it sold in 1998. The car was acquired by Dieter Inzenhofer, one of the founders of ANDIAL. Dieter would purchase the car in May for his personal use and brought it to the ANDIAL workshop in southern California.
During this time, ANDIAL purchased over a period of time twenty-four 993 Turbo’s to be modified, one of which was owned by Dieter. The 993 originally came with the twin-turbo 3.6-liter flat six engine producing a total of 408hp/398lb/ft torque. This astonishing number made the 993 Turbo one of the fastest cars during the mid 90’s. ANDIAL wanted to make this car better, and even faster. They set to upgrade the suspension and engine to accomplish this goal. The engine displacement was bumped up from 3.6 to 3.8, ANDIAL installed 102mm Mahle pistons and ported cylinders heads, along with the Carrillo connecting rods. Using additional OEM parts, they added twin ignition along with euro RS cams. The turbo system was upgraded to GT1 Turbos, along with the sport intercooler. ANDIAL also installed a single mass sport clutch. The engine was blueprinted and balanced before installation.
This 3.8 engine was dyno-tested with a single Bosch ECU system producing 571 HP. The car was originally tuned for 91-92 octane pump gas, but it has a dial to turn up the power to an incredible 626 HP utilizing 100+ octane unleaded fuel. With this higher increase in power, ANDIAL added Billstein sport suspension shocks along with Eibach coil springs. The combination of both of these upgrades, makes this ANDIAL 993 Turbo a perfect balance between power and handling.
Dieter parted with this very special Porsche 993 Turbo in 2015. Ultimately it was received in the collection of a well-known Porsche fanatic, collector, and racer. During his ownership, the car has been modified to include custom three way JRZ dampers with remote gas reservoirs.
When the car arrived at Canepa, it was clear that the car presents in fantastic condition and looks and performs as if it only had a quarter of the miles. Without wasting time, the 993 Turbo was given the Canepa Difference, where it received a complete mechanical inspection and servicing it as needed. Then it received a concours-level detailing top to bottom, ensuring that every surface was spotless and that each surface presented as new.
This ANDIAL 993 Turbo offers the next buyer a unique opportunity to own a piece of history. With ANDIAL becoming a part of Porsche Motorsports North America in 2013, this 911 represents a time when the company was still an independent performance shop, that Porsche trusted and respected. With enough turbocharged power on tap to satisfy any air-cooled aficionado, this Porsche 993 from ANDIAL is the ultimate “Turbo”.
