Building a storytelling pr case – a radical show car – which embodies the character of Chromjuwelen as a vehicle.


1972 Pontiac "LeSupra" LeMans – Facts


  • 1972 Pontiac LeMans 2dr Sedan

  • 1970 Pontiac LeMans frontclip

  • Custom rollcage, Toyota Celica seats, Schroth shoulder harnesses


  • 1991 Toyota "7M-GTE" Supra (3.0 litre (2954 cc), 24-valve, tubocharged)

  • 5-speed manual Toyota transmission

  • Kevlar/ceramic clutch

Pistons, Rods

  • JE Pistons (Turbo/Nitrous), Eagle H Beam Rods, JE Nitrous/Turbo Rings, 900 HP Piston, Rod and Ring Combo (7MGTE 1987-1992 Supra Turbo)

  • Eagle 4340 Steel H Beam Rods with ARP bolts

  • JE Turbo/Nitrous Pistons with 8.4:1 compression ratios available

  • Bore size, 83.50 or 84.00mm only

  • JE wrist pins and locks

  • JE Turbo/Nitrous ring set - Set of 6

  • Combination is good for 900 HP

  • Will handle 35 PSI of Boost and or 300 Shot of Nitrous


  • Wastegate 6,8 PSI, 46 mm

  • Haltech E6X ECU

  • "Liquid To Air" Intercooler System (AC System converted into an intercooler system)

  • Speedstar-Tecs exhaust system, 75mm

  • K&N aircleaner

  • KAT (CNC-Motorsports.com)

Suspension, Brakes, Wheels




[...] “We are putting a 1991 3.0 Toyota Supra engine in a 1972 Pontiac LeMans,” said Ralf. “Maybe you have seen it already.” With those words, Ralf went from garage rat to post-modern rod hero. - Hemmings Motor News, May 22, 2007

[...] Sushi mit Ketchup? Das ist schlimm. Noch schlimmer ist es für Puristen, wenn japanische Motoren in Musclecars verpflanzt werden, in uramerikanische Kultautos. Ralf Becker hat es getan - die Fangemeinde ist zutiefst verstört. - SPIEGEL ONLINE, September 09, 2007

[...] we're going to keep an eye on these guys, you never know what kind of shenanigans those Germans are getting into. - Jalopnik.com, February 19, 2008


Press (Print)

  • November 1, 2007, Hemmings Motor News: "Hamburg Jazz"

  • Street Magazine



AUTO MOBIL [05:00] –  VOX, November 2008 


US-Japanischer Kultwagen: Sakrileg im Motorraum [02:11] – September 2007

Production: SPIEGEL.DE ("US-japanischer Kultwagen: Sakrileg im Motorraum")


Pontiac LeSupra [01:44] – July 2007

Production: Chromjuwelen.com, Tatjana Böcher.