What are 4 bolt mains?
What are 4 bolt mains? if in fact you are in ernest... the term 4 bolt refers to the number of crank Main Bearing cap bolts at each main cap on the block, two bolt is standard construction, but for extra heavy duty, like big trucks and racing applications extra bolt bosses are cast into the block and the caps are built to accomodate two ... How much HP can a 7.5 10 bolt handle? 7.5” 10 bolt GM rear: It will take up to about 450 HP IF the axle tubes are welded to the housing and either a...