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418Ci Engine Assembly Main Bearing Clearance

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418Ci Engine Assembly Main Bearing Clearance
LS3-Based 418ci Engine Build - Big Power, Small Budget
Target main bearing clearance for the engine is 0.0020-0.0025 inch. After removing the 20 main bolts (side bolts weren't in for the procedure), a set of ACL main bearings are installed dry in the front, and the ARP 2000 series main bolts are lubricated with oil. The main caps are torqued first on the inner bolts (15 ft-lb plus 80 degrees of rotation) and then outer bolts (15 ft-lb plus 53 degrees). A main-bearing dial gauge is used to measure clearance, and the readings are transferred to the blueprint sheet. View Related Article
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