Short Block - Engine Block with crank and pistions, without cylinder heads 3378 cc 3.4L DOHC 24 Valve - Intake valve43mm /Exhaust valves 35mm.Toyota changed the piston pin on the 5VZ, from the semi-floating type used on the 3VZ, to a full-floating piston pin design to compliment the 5VZs higher power output from the increased piston displacement. The intake and exhaust ports were also increased along with the cylinder displacement. Toyota also utilized a semi-dual crossover pipe design to improve exhaust efficiency. Toyota modified the shape of the intake air chamber and intake manifold to improve intake efficiency. The 5VZ is a 3.4 L (3378 cc) 24 valve DOHC engine Toyota developed to replace the 3VZ-E.
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