i never use anything and have never had a problem. if you were to use something, use it with the zddp in it. jeff --- On Tue, 11/9/10, Tom Watters <tomwatters@xxxxxxxxxxx> wrote: > From: Tom Watters <tomwatters@xxxxxxxxxxx> > Subject: Break-in Additive Recommendations? > To: 1962to1965mopars@xxxxxxxxxx > Date: Tuesday, November 9, 2010, 2:22 AM > > With all the hype out there on ZDDP and MolyBDenum, I'm > curious what you would use if you were breaking in an engine > these day's. > > I read a bunch of conflicting things on Bob is th Oil guy > and was looking for some real-world advice. > > I've rebuilt my 273 for my dart and am about ready to put > it back in the dart and run in the cam. The last cam I > broke-in I used Comp Cam's oil additive. ('77 360 > Ramcharger) The time before that, when I broke in a > '68 440, I just used standard 30 weight. > > I always assemble with CRC Moly-Graphite Assembly lube, so > some of that will wash into the oil on break-in, but I dont > see much of it flowing in. > > I saw Hughes has one with micro-moly > Redline has one with just ZDDP, as does Lucas Oil > Comp has low quantities of ZDDP and MolyBDenum. > Jegs has a store brand, not sure whats in it > Royal Purple has an expensive break-in oil that once the > cam gets washed wont have much viscosity left. > > Thoughts? > > --Tom > > > --Tom > > > ---- > Please address private mail -- mail of interest to only one > person -- directly to that person. I.e., send > parts/car transactions and negotiations as well as other > personal messages only to the intended recipient, not to the > Clubhouse public 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. > >