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Crankshaft Main Bearing Selection

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

The main bearings are "select fit" to achieve proper oil clearances. For main bearing selection, the crankshaft counterweight has grade identification marks stamped into it. These marks are read from left to right, corresponding with journal number 1, 2, 3, 4 and 5.

NOTE: Service main bearings are coded. These codes identify what size (color) the bearing is.
MAIN BEARING SELECTION CHART - 5.7 - 6.1L

COLOR  SIZE mm (in.)  FOR USE WITH 
MARKING  JOURNAL SIZE 
LOWER  0.008 mm U/S 64.988-64.995 mm
ORANGE  (0.0004 in.) U/S (2.5585- 2.5588 in.)
LOWER  NOMINAL 64.996-65.004 mm
BLACK  (2.5588-2.5592 in.)
LOWER  0.008 mm O/S 65.005-65.012 mm
GREEN  (0.0004 in.) O/S (2.5592-2.5595 in.)
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