From: Snag_one@msn.com   
      
   On 2/21/2022 8:18 AM, Scott Dorsey wrote:   
   > In article , Snag   wrote:   
   >>    In particular , for initial break-in . I've been reading up on the   
   >> proper lubes for initial run-in , and most recommend a lube - and motor   
   >> oil additive - with a lot of zinc . Others recommend moly for an initial   
   >> lube and don't say much about zinc additives . I have assembly lube that   
   >> has moly and graphite , or should I get the special zinc loaded stuff ?   
   >   
   > The assembly lube isn't going to stick around on oil-submerged parts for   
   > more than a minute anyway after the thing is operating.  So long-term   
   > issues like ZDDP content should not be a problem.   
   >   
   > You ARE going to fill the crankcase up and cover the cams with oil before   
   > starting up, right?  You're not going to rely entirely on the assembly   
   > lube for lubrication until the oil pressure builds up, right?   
      
      
      I'll be driving the oil pump with a drill motor until I see oil   
   coming from all the right places . I should be able to push it all the   
   way to the rocker arms .   
      
      
   >   
   > So I wouldn't worry about it, I'd just use a motor oil with a lot of ZDDP,   
   > or a motor oil with a ZDDP additive.  I think Rotella T is a good choice   
   > for break-in even if you're intending on moving to a synthetic oil with   
   > a ZDDP additive later on.   
   >   
   > I see assembly lubes with all kinds of stuff in them.  I don't see any of   
   > these as being a real advantage but if it makes you feel better to spend   
   > an extra five bucks for an assembly lube with zinc in it, it won't hurt   
   > anything.   
      
      
      I'll use the assembly lube I've got , and continue to use Castrol GTX   
   but add a zddp additive .   
      
      
   >   
   > When those roller-cam engines were new, people were using things like   
   > vaseline and used motor oil for assembly lubes.  Or white lead mixed   
   > into lard.  Anything you can buy today is better quality than what the   
   > engine was originally built with.   
   > --scott   
   >   
      
      At least I've always used new oil ! Back in the day we didn't use   
   assembly lube , I don't even know if it was available then .   
   --   
   Snag   
      My rights don't end   
   where your fear begins .   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)