Mopar big block Herb McCandless oil passage modifications

how to mod your bb mopars oil passages to increase oil to main and rod bearings. a must when increasing horsepower and rpm, or using stroker cranks.
near 7,000 rpm a 440 mopar will be at risk of main and rod bearing damage. in the 1970s Herb McCandless used this mod to help fight the rpm oil starvation issues

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