The V8 is topped by eight carbon-fiber velocity stacks with integrated air screens. Each cylinder has its own 2-inch diameter throttle body for maximum airflow. A new intake manifold system adapted from TRD’s 4.7-liter desert off-road racing V8 is used and the Lexus VVT-i continuously variable valve timing computer map was revised to provide intake valve advance of 30 degrees of crank angles from 1,500 to 7,800 rpm. Camshaft lift was increased from production lift of 0.350 inch to 0.385. The GS 400 V8’s compact size and lightweight made it an ideal fit in the open engine bay of the ’32 Street Rod. To further streamline the package, TRD engineers relocated the power steering pump to the center of the engine’s "V" by means of a custom-engineered adapter. The power steering system is otherwise the same as the GS 400. Virtually all other components are production items. With these modifications, the Lexus Street Rod produces 400 horsepower at 8,200 rpm with a stock compression ratio of 10.5 to1.