Overview
nissan qr20de
The SR engine is a series of 1. 6 to 2. 0 L straight-four, four-stroke gasoline engines manufactured by Nissan from 1987 to 2007. It was part of a new engine family name PLASMA.
The SR engine family uses a DOHC 4-valve design, with variable valve timing on select models, and is an all-aluminium design with an aluminium head and block with steel sleeves. All SR engines are chain-driven rather than belt-driven, unlike previous Nissan four-cylinder engines....
