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larrym's Avatar
larrym larrym is offline
ASE Master Tech - 35 yrs
Join Date: May 2001
Location: Sierra foothills, CA-usa
Posts: 1,093
Vehicle Name "Sixer"
Year 1970
Make Porsche
Model Documented m471 914/6-GT - not a replica
Color black
Packages 916 factory components
History Wolfgang Dworazik's "Traumauto"

Not a reproduction - an original Werks 1 authorized GT; commissioned & constructed per order of Zuffenhausen Werks-1 Master Technician, Wolfgang Dworazik who later established SportAutoTechnik in Stuttgart (

According to interviews with Dworazik, it was constructed on a fresh body shell per Porsche "Vehicles for Sports Purposes" 4890.20-200.03-72 and FIA Homologation-Nr. 3042, Grp 3-Grp 4 specs

TUV Documented m-471 GT; eventually certified for Germany road use 25-Mai-1972 "per letter from Mfgr" as shown in Kraftfahrzeugbrief

Grey-market USA imported in 1976 as an "ex-race car"; DOT/Customs certified USA legal 1977

Original custom color was "limon" as seen in the 1974 picture taken near Stuttgart with my brother David standing by (he was an Army Cobra gunship pilot)

quick history at
more pictures & German TUV docs at

ADAC Slalom & Rallye Competition history;

USA raced with SCCA and VARA

Many 1st & 2nd Concours CSI wins since 2008; featured at PCA RRV Concours 2015
2007 PCA Appraisal by Bruce Anderson
2016 Hagerty valuation $200K.
Exterior in 1980 the car was stripped to bare metal and changed to Black outside & inside - ( 'cuz I like the black "look")

factory original steel flares - front fender pictured

the Porsche Certificate of Authenticity

Genuine 916 front & rear "bumpers" & flared steel rocker panels as sourced from the factory 916 prototype bins in 1972;

FIA prototype metal-reinforced targa top that is smooth-finished, thicker fiberglass, - weighing about 9lbs more than a standard 914 top

GT double grille engine cover, oem steel flares, 911 rear reflector,

Cibie-Pallas 100w halogen driving lights embedded in 916 front "bumper" - Werk-1 oem on this car

Electric door mirrors added in 2008; original Talbot Berlin racing mirrors (not pictured) - only installed for racing

those "shiny things" on the hood corners in the top photo are genuine GT hood-pin pads made of stainless steel. They are not drilled for pins b'cuz they are simply too valuable as original pieces. -
Electric mirrors

Interior Scheel-914 driver seat as fitted by Dworzik; later model sliding passenger seat and late back pad upgrade to accommodate SCCA rollbar and to allow for required passenger-instructor for PCA time-trials; seat cushions & backs recovered in corduroy velour; Deist 5-point harness both sides,

Momo Prototipo with SmartRacing hub extension

oem dogbone foot rest, Automotion competition dead-pedal, oem oak veneer dash as installed in Germany, all euro 911 metric gages, later center console with gages,

firewall Porthole for Track-Tech access - a Werks-1 GT racing modification - shown here with 3.2 DME location detail - allows access to distributor, alternator & belt;

bmw-sourced day-night rear view mirror that is w/s header mounted for less obstructive forward view & better night driving experience

modern Blaupunkt CD radio; AND a modern JWest fuse panel fitted in 2011

Performance Upgrades SCCA approved Autopower rollbar, factory GT competition chassis strengthening kit, late doors with integral crash protection bars,

217hp 3.2 engine, chipped to 235hp

911 Turbo Steering Rack, 911SC A calipers (replacing oem 911s alloy calipers which "flexed"), BHP brakepads, SmartRacing rotor vents, 914-6 GT rear calipers with vented rotors, retaining handbrake for TUV & DOT street legality

Halon Firebottle and FuelSafe FIA fuel cell fitted as necessary for racing but not run on street
Race logboks
Performance Upgrades

Engine / Under the Hood 1989 3.2 Motronic engine upgrade completed in 2013. Wong Chip, Triad jet-hot-coated 1-5/8 headers, 901 sideshifter, KEP Stage 1 clutch, sport muffler as fitted in Germany; oem GT Behr front oil cooler fed by 911 external oil thermostat/valve.

HISTORY: Original engine was a 2-litre 911R making about 200hp, #6400815, built by Wolfgang Dworazik; that was replaced in 1973 by Dworazik with a current Porsche 2.4-S #6522249 (as appeared in the 916), and that engine was race-prepped in 1977 at much expense into a 2.8 with 10.5:1 CR with new Redline 40IDAs and PMO tall manifolds, MSD, etc; car was raced that way thru 2001.

In 2002, the 2.8 race-prepped case, P/C's & heads were then swapped for a new 7R case with updated turbo oiling system, 2.7 heads and RS P/C's to build a 2.7 street engine which was removed in 2012 and sold in 2013. A Spare oem-914/6 2.0 long block was sold in 2011
3.2 ready for install

Suspension decambered Competition Rallye struts with Bilstein Sport inserts; reinforced trailing arms & GT chassis strengthening kit (as oem built at Werks 1), plus 914Ltd longitudinal stiffeners (added for SCCA racing in early-'90's)

Upgrades: SC A-calipers have replaced oem 911s-alloy calipers, SC front crossmember with underslung anti-roll bar, Tarett monoballs, Koni Sport rear with 200 lb adjustible-perch springs from Automotion-Sunnyvale

oem rear swaybar (I disconnect this to reduce oversteer on track, but it makes the car very tossable in AX when connected),

competition alignment by Ken's SporTech,
911 swaybar and oil cooler discharge
Turbo strg - 011 anti-roll bar

Wheels and Tires BBS gold RA 7&8x16 - i like the "look" - 245/45 & 225/50's

Fuchs 7&8x15 FIA-spec vintage "RS" style polished-center which meet SVRA - HMSA - PCA rules - historically correct

All-Season Street wheels are 7x16 "RS" style polished-center Fuchs with AS/3 225-50x16s (non-directional) so that i can cross rotate;

plus pair of Fuchs RS" style 8x16 with 245-45s (used for shows)
7x16 Fuchs for street
BBS for track
Rennsport Reunion V - Concours award

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