Get Crankin'
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Here's a close-up of the tear-dropped and chamfered oil galley performed on the crank. Chamfering is a process often used to relieve the sharp edges on the oil galleys and thus allows the oil hole to flow at an improved rate. This process is also used to reduce the chance of scoring or damaging the bearings during dry startup or when encountering high rpm. While this crankshaft is still in its processed stage, IPS has requested Castillo to modify the rod journals by widening them to 0.948" to accept 5.572" Cunningham Ti rods that have the F20/22C/H-series big end width (0.938"). View Related Article
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