dodge ram engine diagramThe 2006 Dodge RAM 3.7 liter (226 CID) six-cylinder engine is an 90° single overhead camshaft engine. The cast iron cylinder block is made up of two different components; the first component is the cylinder bore and upper block, the second component is the bedplate that comprises the lower portion of the cylinder block and houses the lower half of the crankshaft main bearings. The cylinders are numbered from front to rear with the left bank being numbered 1,3, and 5 and the right bank being numbered 2,4, and 6. The firing order is 1–6–5–4–3–2. The engine serial number is located at the right front side of the engine block.

2006 Dodge RAM Truck 3.7L Engine Specs
Engine Type
Number of Cylinders
Firing Order
Lead Cylinder
Compression Ratio
Max. Variation Between Cylinders
Compression Pressure

90° SOHC V6 12 Valve
No. 1 Left Bank
3.7 Liters
93.0 mm
90.8 mm
211 @ 5200 RPM
236ft. [email protected] PRM
1172-1551 kPa

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