The VQ40DE is a 4.0 L (3,954 cc) longer stroke variant of the VQ35DE. Bore and stroke are 95.5 × 92.0 mm.
Improvements include continuously variable valve timing, variable intake system, silent timing chain, hollow and lighter camshafts and friction reduction (microfinished surfaces, moly coated pistons). It has Nissan's direct ignition system with platinum-tipped spark plugs. It produces 261 hp (195 kW) to 266 hp (198 kW) @5600 rpm and 281 lb·ft (381 N·m) to 288 lb·ft (390 N·m) @4000 rpm.[WIKI]
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