In 2006 planing began for the creation of an M120 V12 powered R107. Samson started out as an all stock 1986 560SL purchased in 2006 for the sole purpose of doing just this. A wrecked 1996 SL600 was chosen as the donor car also purchased in 2006.
The list of modifications is as follows:
Engine: M117 V8 replaced by stock M120 V12, 389 HP
Transmission: Stock 722.3 4 speed replaced with 766.6 5 speed electronic shift.
Differential: 2.47 LSD replaced with 2.65 SL600 and phantom grip LSD.
Brakes front brakes replaced with larger brakes and master cyl from SL600.
Wheels: Replaced with 1996 SL600 16" x 8" x34ET chrome wheels.
Tires BFG Gforce P225/50-16 Summer Max performance.
Optional Wheels: 18" AMG 5 spoke stagger 8.5/9.5
Optional Tires: Hanook 225/40-18 front - Riken 275/35 - 18 rear.
Additional Tires: MT 255/50-16 Drag Radials on MB 1996 SL600 wheels
Drive shaft: Custom made by Sean Carlini
Rear Axels: Custom 4340 by Sean Carlini
Engine and Trans management. Stock Mercedes SL600 integrated into 560SL chassis by John Roncallo.
Exhaust: Custom SS with stock SL600 cats to Vibrant resonator and muffler.
Radiator: custom Aluminum by Cooled by Ice, Electric fan.
Expansion Tank: Custom aluminum with MB level sensor designed and fabricated by John Roncallo.
Samson is a very successful retro mod designed and fabricated by John Roncallo from Yalesville CT. It is used as a daily driver and has been on trips as far south as SC as far west as Cleveland Ohio. Samson has driven through rain, snow, ice cold and desert heat.
Top Speed 155 limited, 185 estimated unlimited.
1/4 mile best time to date 13.5 @ 102 MPH (done on very worn Riken tires)
0-60: ??? TBD
Link to the build: