Classified Info

Porsche 911 SC Race Car

Advert ID: 42063 To Be Auctioned

Advert Began: Feb 14, 2019, 17:07
Number of Times Viewed: 577
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US-supplied, left-hand drive, 'SC' with a good history file documenting lots of expenditure in USA and UK

Engine fully rebuilt in 2017 by 'Pro-9 Porsche'. Now producing 264bhp

Giken Super-Lok Diff, Seine Systems gate-shift, rebuilt gearbox (only 1 race since)

Freshly repainted in Silver at the end of 2018

The perfect candidate to be raced in CSCC 'Future Classics' or 750MC Roadsports Championships

In 1978, Porsche introduced the latest version of their 911 designated the '911SC'. It featured a 3.0-litre six-cylinder engine with Bosch K-Jetronic fuel injection and a 5-speed (915) transmission. Originally, power output was 180bhp, later 188bhp and subsequently, by 1981, an impressive 204bhp.

This particular left-hand drive 1979 911 3.0 SC was originally supplied new to Colorado and raced in the Porsche Club of America Enduro Championship. The car's history file contains its old Colorado Certificate of Title and details of much expenditure from its time in the USA.

Our vendor purchased the Porsche and imported it into the UK in August 2015 with all import duties and taxes fully paid, generating a NOVA reference number. The car was then prepared and raced by our vendor and his friend in their inaugural season of UK motorsport in 2016.

For the 2017 season the engine was fully rebuilt by marque specialists, Pro 9 Porsche and upgrades included; Jenvey throttle bodies, high compression JE pistons, a coil pack conversion, Omex ECU and new loom, new injectors, RS cams, an RSR flywheel, and competition clutch. The invoice for this engine work was just under £15,000 for this work however peak power was now a very competitive 264bhp. The car is fitted with a Giken LSD and the gearbox was rebuilt at the end of 2017 with a Seine gate shifter ( it has only completed one race since the rebuild). Wevo mounts hold both the engine and gearbox firmly in place.

Bilstein shock absorbers are fitted along with Tarett adjustable roll bars, Elephant Racing adjustable spring plates, a tower strut-brace, Monoball bushes, and tie rods from a 911 Turbo. Retardation benefits from competition 6-point callipers at the front and 4-pots at the rear, along with a rebuilt master cylinder and pedal box. 16” wheels are fitted and shod in Toyo R888 tyres. The geometry was professionally set up by specialists Centre Gravity and there are details included in the file.

The interior features an Autopower bolt-in roll cage, a Recaro bucket seat, in-date Sparco harness and a removable Momo steering wheel. The fire extinguisher will have its annual service prior to the auction and, as always, we recommend that all prospective buyers satisfy themselves as to the currency and legality of all safety equipment in the car. An ongoing weight reduction programme has resulted in the dry weight finally reaching 1040kg. This smart 911 has just been fully repainted in Silver and no longer sports the Martini decals.

Having enjoyed the car for two seasons, our vendor is moving onto another motorsport project, and hence this car has come to the market. A great entry-level Porsche racer that could be used in CSCC's 'Advantage Motorsports Future Classics' Series, the 750MC Roadsports Championships, or would make a great Sprint or Hill Climb car.

Registration: not applicable
Chassis Number: 9119201777
Engine Number: G292122
Number of cylinders: 6
CC: 3000
Year of Manufacture: 1979
RHD/LHD: Left Hand Drive
Estimate (£): 33,000 - 38,000
(+buyer's premium of 15% including VAT @ 20%)

The Race Retro Classic Car Sale will take place at the Race Retro International Historic Motorsport Show 2019 at Stoneleigh Park, Coventry, CV8 2LG (map/directions).

The lots can be viewed at the following times:

Friday 22nd February 2019 09:30 - 17:30

Saturday 23rd February 2019 09:30 - 10:30 (Automobilia, Lifestyle & Watches) 09:30 - 13:00 (Classic Cars)

The auctions will take place as follows:

Automobilia, Lifestyle & Watches Saturday 23rd February 10:30

Classic Cars Saturday 23rd February 13:00

Bidding at the auction can be done either in person by attending the sale, by telephone, by leaving a commission bid or live, online via Proxibid. Full details of registration requirements and a buying guide can be found on the Silverstone Auctions website (

To access the auction without visiting Race Retro, please register your details via this link : and then on the day enter the event via gate 1 only.

IMPORTANT NOTE : Silverstone Auctions customers are directed to enter through gate 1 only. All guests are required to register for the auction via this link : and entrance to the auction will be by catalogue only (£15 on the door).

Should you also wish to attend the Race Retro event, tickets can be purchased from

For further information about The Race Retro Classic Car Sale, contact Silverstone Auctions on +44 (0)1926 691 141.

Seller Info

Silverstone Auctions

Member Since:
19 Dec 2013

Ashorne, Warks, CV35 0AA

Phone: +44 1926 691141

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