The 8 wet liner cylinders were in a V formation set at 90 degrees with fuel and air were supplied via a Bosch mechanical fuel injection system with the injector pump in the middle of the cylinder vee and eight separate throttle butterflies mounted outboard of each induction port. (classicandperformancecar.com)
Additionally, a Kugelfischer mechanical fuel injection system was used. (russoandsteele.com)
Now known as the AMV8, the car retained the Bosch mechanical fuel injection system until August 1973, when four twin choke Weber carburettors were fitted, together with updates to the interior trim, a bigger bonnet bulge to clear the carburettor air box and a re-designed fuel tank to allow more luggage space. (astonmartinworks.com)