First and last Grand Prix cars with both American chassis and engine:
First-Christie chassis with a 20.0 Liter sohc V-4 Christie engine driven by Walter Christie in the 1907 French Grand Prix
Last-Scarab F1 with Troutman-Barnes chassis and a 2.5 Liter dohc I-4 engine designed by Leo Goossen and built by Meyer-Drake-Offenhauser driven by Chuck Daigh in the 1960 U. S. Grand Prix
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