I worked with Jack Roush /Wayne Gapp and their other three emploees, at what was known as Gapp&Roush...(actually, 1972, when the Muscle Parts program closing put me out of work !!) I helped Jack sell engines and parts, anyway, Jack sold/leased lots of Pro-Stock engines, all with BME rods,, his answer was....TWO FACTS OF ENGINE LIFE....a steel rod will spin a brg./bust the rod/come thru the block...and this will happen in millisrconds....an aluminum rod will get hot/expand the bearing end / and at the most will tap the head.... since a good race program include head removal and inspection, the contact was always visible, and deck height was monitered....you dont have that luxury with a steel rod....JMHO JOHN V
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