Engine Nissan VQ40DE

The 4-liter VQ40DE engine has become not only one of the most reliable in the line of Nissan VQ gasoline units, but also the most voluminous in it. This is an enlarged version of the VQ35DE, which received an expansion of volume due to the size of the cylinders and the piston stroke. In all other respects, the unit was similar to its predecessor, here an aluminum cylinder block, a pair of aluminum DOHC heads with a CVTCS phase regulator on the intake and a timing chain drive. Continue reading Engine Nissan VQ40DE

Engine Nissan QR25DE

The 2.5-liter Nissan QR25DE engine (or QR25 for short) has been assembled at factories in Japan and the USA since 2000 and is installed on such popular concern models as the Altima, Caravan, Frontier and X-Trail. The engine was seriously upgraded in 2007, so some distinguish its two generations. Continue reading Engine Nissan QR25DE