Thanks for the updates and information. Seems I've forgotten more than I remember some days! LOL Study hard Dennis, we will be getting to you with future differential questions! :) Gary H. > -------Original Message------- > > Thanks Nick, > > I'm learning more about differentials than I will remember when I'm > done. > > I'm going to check the axle free play (bearing preload) today. I will > know then if installing the older 985 3rd member was a mistake. The > following I found after making the sway: > > There was a difference in thrust blocks prior to 1964 that make center > section interchange, as well as axle interchange problematic. The > thrust block, or "axle shaft thrust spacer", it thr block that both > left and right axles butt up against inside the center of the > differential. Prior to 1964, all open differentials used a thrust > block was approximately 1/8" to 1/4" thicker than units made after > 1964. > > Thanks again, > > Dennis C. > > On Tuesday, August 20, 2019 at 6:39:53 AM UTC-7, FuryUs63 wrote: > > > Gary, > > > > The (985), 1634985 was the early (742) 2070742. The (985) casting > > was used 57-64. > > > > Nick T. > > FuryUs63 > > > > On August 19, 2019 at 11:07 PM 62-65-mail...@xxxxxxxxxxx wrote: > > > > Not remembering a 985 8.75. Confusion is contagious. :) > > > > Gary H. > > -- > -- -- -- -- Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. http://groups.google.com/group/1962to1965mopars?hl=en. --- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to 1962to1965mopars+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion on the web visit https://groups.google.com/d/msgid/1962to1965mopars/20190820220121.30835.qmail%40server309.com.