RB20 Engine
Nissan RB, released from 1985 to 2004, is a 2.0-3.0L inline-six four-stroke gasoline motor. Aluminum head is applied for both single and dual overhead camshaft versions. Single overhead camshaft motors keep two valves per cylinder while the ones with dual overhead camshaft feature four valves per cylinder. Each camshaft lobe controls just one valve. RB motors are supplied with belt driven camshafts plus cast iron blocks. Models with turbocharging keep an intercooled turbo (except RB20ET and...
VG33E Engine
Nissan VG are 2.0-3.3L V6 piston motors, employed for a number of vehicles from the brand’s range. The debut motor of lineup appeared in 1983 and soon, VG turned into the first assembly line V6 motors in Japan. Keeping iron block plus aluminum heads, primary motors of the range received a single overhead camshaft with two valves per cylinder. Hereinafter, some updates were made, leading to creation of motors with other block plus dual overhead camshaft with four valves per cylinder. Moreover,...
VQ40DE Engine
Nissan VQ is a 2.0-4.0L V6 piston motor, keeping aluminum block with dual overhead camshaft featuring 4 valves per cylinder plus aluminum heads. It’s supplied with the brand’s EGI/ECCS sequential multi-port fuel injection while its subsequent variations keep different modifications of variable valve timing and direct fuel injection. The latter are often referred as NEO-Di. Motors of this lineup were built as alternatives to VQ line. Being rather successful, they were among 10 best engines...
VK56DE Engine
The Nissan VK engine (previously called the ZH) is a V8 piston motor, featuring an aluminum dual overhead camshaft with four valves. Actually, VK56 was built on the framework of the brand’s VQ V6 motor but not VH V8, applied for Q45/Cima vehicles. Among the main differences are a variable intake manifold of polymer, restyled heads and a better drive of the wire throttle chamber. Intake manifold routes air in different directions depending on the engine speed. It helps to enhance low-end...
VG30DETT Engine
VG30DETT is a 3.0-liter V6 motor. Being for sale in the United States between 1990 and 1996, it was applied for Nissan 300ZX Twin Turbo for the American market and Nissan Fairlady Z in Japan (till 2000). Though 300ZX automobile could be also equipped with VG30DE motor, VG30DETT became the most widespread choice thanks to twin turbochargers. Engine Manufacture Its name can tell a lot about this motor as Nissan opts for engine’s name utilizing expository code of letters and numbers. For...
VQ37VHR Engine
Nissan VQ engines, successors of VE and VG motors, were first released in 1994, but they still remain among the most reliable and powerful motors, constantly getting to Ward’s 10 Best Engines list. They are V6 motors with the capacity ranging from 2.0 to 4.0L and featuring aluminum block and heads. Being constantly updated, engines keep modernized variable timing system and direct fuel injection. But let’s take a closer look at VQ37VHR, a motor employed for celebrated Nissan 370Z...
SD25 Engine
SD25, a variation of Nissan SD engines, is a 2.5L (2.488 cc) inline-4 diesel motor with water cooling. Having compression index of 20.7 and 21.4 for Datsun and Nissan (non-California) and 21.9 for these vehicles within California standards, motor’s output is 70 hp (71 PS, 52 kW) at 4,000 rpm. SD25 is the largest motor from the 4-cylinder SD range with 5 main bearing crankshaft and modernized rear main seal, constructed primarily for Nissan 720 (1983-1986) and Nissan D21 (1986-1988) vehicles....
KA24DE Engine
Manufacture of KA24, an alternative to Z24, was launched in 1988. Its first modification, KA24E, is a four-cylinder inline engine with cast-iron cylinder block, having cylinder diameter of 89 millimeters. Forged crankshaft features piston stroke of 96 millimeters plus forged connecting rods of 165 millimeters. It gained aluminum cylinder head featuring single overhead camshaft plus 2 intake and 1 exhaust valves for each cylinder. Diameter of intake valves is 34 millimeters plus exhaust valves...
RB26DETT Engine
RB26DETT is a famous Nissan motor, production of which was launched in 1989. Initially, it was designed for Nissan Skyline GT-R R32, but was also applied for Nissan 300ZX and 350Z, Ford Mustang, Infiniti G35 and some other automobiles. Unlike RB25DET, this engine utilizes cylinder block with no oil port. It features crankshaft with piston stroke of 73.7 mm, similar rods to the ones applied for RB25DET NEO, 1mm lower pistons and compression index of 8.5. Aluminum head covers cylinder block with...
CA18DET Engine
CA18DE is a 1.8L (1,809 cubic centimeters, 110.39 cubic inches) inline-4, 4-cycle gasoline motor of Nissan CA series, manufactured in 1987-1989. CA18DE features DOHC system with 4 valves for each cylinder, block of cast iron, aluminum cylinder head plus well-balanced 5-bearing crankshaft. Motor keeps Multiport Fuel Injection system. It owns cylinder block of cast iron 204.8 millimeters (8.06 inches) wide, a monoblock with specific casting texture, with a 5-bearing support system. Having...
SR20DET Engine
SR20, a celebrated Nissan motor, was first released in 1989 as an alternative to cast-iron CA20. Initially, it was employed for Nissan Bluebird automobile. SR20DE, a well-known motor of the lineup, has a square shape with identical piston stroke and cylinder width of 86 mm. Motor keeps aluminum cylinder block containing dry cast iron sleeves. Rods have length of 136.3 mm. Cylinder head consists of 2 camshafts with four valves per each cylinder. Having multi point fuel injection system, motor...
VQ35HR Engine
In 2006, a new version of VQ-series motors, 3.5L VQ35HR engine, was presented. It’s employed for rear drive Nissan and Infinity automobiles. 80% of old Nissan VQ35DE motor details were subjected to major restyling and updates to make a new motor more durable at high rpm. Engineers consolidated aluminum cylinder block and made it higher by 8.4 mm. As a result, longer connecting rods were utilized (152.2 mm). Compression index was raised due to usage of more lightweight pistons made of...
VQ35DE Engine
The VQ35 engine is considered to be one of the most mass-produced engines of Nissan. This engine has received more than one award, as “the best engine of the year.” VQ35 replaced the VQ30DE, which belonged to the first generation of VQ engines. This new engine, 3.5 liters in the most common version has a capacity of 280 forces. It should be added that in its (second) generation VQ35 had versions with a capacity of 230-250 forces, and in the third – 260-300. The versions of...
VQ30DE Engine
VQ30DE engine has it’s own place in the book of records as the best engine. He fell into the list of the ten best engines for six years. From 1995 to 2001. That’s a top result for any engine. 3.0 VQ engine series was first introduced in the United States in 1995 on Nissan Maxima and the 1996 Infiniti I30. Special features of it are the finest engine processing camshafts and crankshafts, the presence of digital knock control system, and a new engine cooling system. The engine...
QR25DE Engine
The QR25DE is a 2.5 L (2488 cc) variant of QR20D engine built with cast steel connecting rods, a steel timing chain, counter-rotating balance shafts, and an aluminum intake manifold. The engine bore is 89 mm with a stroke of 100 mm and a compression ratio ranging from 9.5:1 to 10.5:1 depending on the vehicle. 2007+ QR25DE The revised QR25DE found in the 2007+ Sentra, Altima, Rogue, etc. has a number of improvements over the older QR25DE. These include: A simpler, larger diameter single path...