![]() ![]() The engine makes a horsepower of 285 and 260 lb.-ft of torque through its automatic five-speed transmission. The Pentastar 3.6 engine was used in 2011, 2012, 2013, 2015, and 2021 Jeep Grand Cherokee. Numbering the cylinders in each bank sequentially (e.g.The frontmost cylinder is usually #1, however there are two common approaches: This ignition sequence impacts the vibration of the engine and power distribution.V8 engine with cylinder numbering based on crankshaft position (instead of following each cylinder bank) The firing order of these vehicles’ engines is 1-2-3-4-5-6 as it marks out the pattern of power delivery to the engine’s internal combustion chambers. 1-2-3-4 along the left bank and 5-6-7-8 along the right bank). Numbering the cylinders based on their position along the crankshaft (e.g.This approach is typically used by V8 engines from Audi, Ford and Porsche. 1-3-5-7 along the right bank and 2-4-6-8 along the left bank). This approach is typically used by V8 engines from General Motors, and Chrysler. The selection of whether the #1 cylinder is on the left bank or right bank usually depends on which bank is closer to the front of the crankshaft. However, the Ford Flathead V8 and Pontiac V8 engine actually have the #1 cylinder behind the cylinder from the opposite bank. This was done so that all Ford engines would have cylinder #1 on the right bank and all Pontiac engines would have cylinder #1 on the left bank, to simplify the process of identifying the cylinders. The cylinders are numbered around the circle, in clockwise direction with the #1 cylinder at the top. The simplest situation is a longitudinal engine located at the front of the car, which means the engine's orientation is the same as the car's. This illustrates that the rear of the engine is the end that connects to the transmission, while the front end often has the drive belt for accessories (such as the alternator and water pump). The left bank of the engine is on the left side of the car (when looking from behind the car), and vice versa for the right bank of the engine.įor a transverse engine located at the front of the car, whether the front of the engine is at the left-hand or right-hand side of the car is best determined based on the side of the car where the transmission is located (which corresponds to the rear of the engine). Most transverse engine front-wheel drive models have the front of the engine at the right-hand side of the car (except for many Honda cars). As a consequence, the left bank of a transversely V engine is usually closest to the front of the car.įor cars where the engine is installed 'backwards' (i.e. ![]()
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