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1973 Porsche 911 SOLD

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Condition: Excellent
Price:  US $75,000  Currency_Convert
Location: Salt Lake City, Utah USA

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1973 PORSCHE 911 Car originally built by Loren Beggs at 911 design for previous owner at a cost of $180,000+. Now has zero-time new 3.9 liter twin turbo motor built by Air Power Racing. Chassis completely disassembled and dipped to remove all undercoating. TIG welded DOM 1 3/4 very strong roll cage. Wide body 993 GT2 Composite Bodywork. Dual 993 front oil coolers with proper ducting to duct all the air out in front of the front tires. New generation 3M Control Tac vinyl graphics that are easily removable. If you find the colors too wild, the car is all white underneath the multi-colored graphics wrap. 3M clear bra paint (vinyl) protection. Flush fit Lexan windows. Carbon fiber dash. Motec ADL dash. Recaro Porsche Super Cup drivers side seat. HANS type 6 point racing harness. (2) separate 10 pound SPA mechanical fire systems. Composite roof. Cool suit system with helmet blower. 27 Gallon fuel safe fuel cell. SUSPENSION Complete ERP monoball rear suspension. Rear ERP monoball spring plates. Complete ERP front suspension. Woodward electric power steering. JRZ double adjustable shocks and struts. Kinesis 11x18 front wheels and 13x18 rear wheels (4 front and 4 rears). Brembo 8 piston front brakes. Brembo 4 piston big red rear brakes. Dual brake master cylinders with Tilton adjustable brake bias knob. Charlie bar sway bars. DRIVE TRAIN 3.9 Liter twin turbo motor based on a 993 engine. Dual Garret GT25 ball bearing turbos. Extra large custom made 911 Design intercooler. Electromotive Tech 3 crank trigger fuel injection. HKS boost controller. Carillo rods. 911 C2 crankshaft. Web cams with new EVO twin turbo grind profile. AASCO valve springs with titanium retainers. Custom made 911 Design 321 stainless steel headers. Previously dynoed 520 HP @ 1 bar of boost at the rear wheels. 612 HP @ 1.2 bar of boost when it was a 3.6 liter. New motor is a 3.9 liter with 104 mm L&N billet cylinder barrels with bigger cams, should make approx. 700 HP @ 1.2 bar (See $18,000 Air Power Racing invoice image completed Jan 2008). 993 Turbo 6 speed transmission converted to 2 wheel drive with custom Guard gear set geared for 175 MPH. Guard GT limited slip differential. Solid engine and transmission mounts. Electric Tilton transmission oil pump and external transmission oil cooler. 911 Design custom made 300M axels, 300M cages and Krytox grease.


Car built by 911 Design and previously run in the Western US with a 3.6 liter motor. Now has zero-time 3.9 liter with estimated 700 HP.

Supporting Documents

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new engine build

Performance Data


Fuel System

Oil/Water System

Electrical System






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