This month’s featured vehicles include a tribute to one famed test driver while the other pays homage to two German marques in one combined badge.

2012 BMW Z4 (E89) GT3

Jason Bacon |  Fort Lauderdale, Florida

Race Series/Class: Time Attack and exhibition events

Engine: GMS Stage 3 M120 V12 engine built by Gooichi Motors in Loxahatchee, Florida

Car: Built by Gooichi Motors

Features: ProCharger F1x blower, Celeritech headers, Air Lift Air Ride suspension, Öhlins coilovers, Wilwood brakes, Fifteen52 three-piece center lock wheels on Toyo Proxes RR tires, Haltech EMS, Braille Battery, five-axis ported heads, oversized valves, billet cams, long rod rotating assembly, full billet dry sump

Facts: Everything in the engine has been developed by Gooichi Motors and was built to handle 1,800 horsepower. The car color is a silver/Mercedes F1 Petronis green color scheme. “We have been known to upset purists, so we thought it was the perfect color scheme on a Mercedes-powered BMW race car. The emblems on it have even been CNC machined to be half BMW, half Mercedes logo,” said Sam Morris of Gooichi Motors.

2003 Dodge Viper Competition Coupe GTC-VCC#15

Mansen Way |  Corydon, Indiana

Race Series/Class: SCCA, NARRA, Viper Racing League GT, TT

Engine: Dodge Viper V10 built by Performance Vehicle Operations (PVO)

Car: Built by Performance Vehicle Operations (PVO), sold under SRT

Features: Tremec T56 six-speed manual transmission, AP Racing air jacks, BBS three-piece wheels, Hoosier tires, StopTech two-piece rotors, Brembo calipers, RaceTech seats, Moton adjustable dampers, MoTeC data acquisition system, carbon fiber composite body panels, Polycarbonate windshield and rear window

Facts: This is No. 15 of 125 built. It features Prototype #4 livery as a tribute to test driver Tommy Archer and his contribution to make the production Viper Competition Coupes (VCCs) safe and strong enough to win titles across the world. “It’s surprising how few people even know these cars were purpose-built race cars by Dodge and sold with a Bill of Sale only, not street legal,” said Mansen Way.