im upgrading to a dana 60 from an 8 3/4.current u-joint is the 7290 size,should i go to a 1350?or is the 7290 plenty? 88 dakota 3340#,340 stroker roughly 470 hp. street/strip.what stock mopars came with the 1350 727 slip yoke and 1350 joints on the driveshaft?