You want as much or more tension on an alt belt then a gen. The alt puts out more amps so it takes more power to turn it. Its especially true on a 6 cyl engine as there is not a lot of contact area of the belt on the pulley.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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