Dana60 question
ide check that tag on the rear cover most of those 8 1/4 came with 3;21 gear ratio
8 1/4 isnt a bad rear,,its deffinitly better then an 7 1/4
i had a 7 1/4 live behind a stock 340 on the street a long t ime,,,,
so that 8 1/4 will be fine