MOPAROFFICIAL said Agree. Imo a person would be better off with typical 1 5/8 than 1 7/8. The diff between 1 5/8 & 1 5/8 to 3/4 step tti was imo a 15-20 hp diff on my 410 combo with 'off idle' tq almost staying the same, 3000 ^ midrange to the top increased. Click to expand...