396ci Chevy Big Block - Engine-Building Tips
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When selecting a salvage-yard crankshaft, carefully check the surface condition of each journal. Many machinists claim that any surface imperfection that you can catch your fingernail on will require machine work. Also, tap the end of the crankshaft lightly on some concrete and listen to the sound it makes. If it rings like a tuning fork, fine—if it buzzes or has a dull sound, you may be holding a cracked casting. Regardless, you should send any salvage-yard crank to a reliable shop to have it Magnafluxed. We sent this one to Lopez Crankshaft in Santa Fe Springs, California for reconditioning, including resurfacing of the journals. Competent shops will also radius all the oil passages in the crankshaft to aid in lube dispersal. View Related Article
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