Quote:

http://www.harlandsharp.com/sb_mopar.htm



look at the edge of the adjuster holes in relation to the center of the rocker shatfs, the 1.5 is way closer to the outside edge of the rocker arm than the 1.6 is . To change the ratio they move the adjuster in closer to the rocker shafts

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)