The LS4's aluminum engine block featured 3.78 ... You can even still buy new LS crate engines produced by Chevrolet. [Featured image by IFCAR via Wikimedia Commons | Cropped and scaled | CC ...
The crate engine might be a largely American phenomenon ... Just order online. Likewise a 570bhp LS4 motor mated to a six-speed Tremec manual gearbox. Cost? At current exchange rates the former ...