[Tigers] Motor Oil

[Larry Paulick]

Tod, Mercedes AMG engines, one man one engine, it built with Mobil One, taken the engine to the dyno, run to red line, and either makes the hp and torque or is rebuilt.  They only use Mobil One in the entire process.

I also agree that many cam mnf recommend the use of a special lube during brake in just as you mentioned.

I have always used Mobil One, and am impressed with its performance and longevity as an oil.

Larry
> On Nov 14, 2015, at 5:19 PM, Tod Brown via Tigers <tigers at autox.team.net> wrote:
> 
> My understanding is that the most important issue with flat-tappet engines and lubrication is that
> the initial break-in is crucial to longevity. For the first 1500-2000 miles of operation it is extremely 
> important that the proper level of zinc additive (i.e. zddp) be provided so that cam surfaces, rings
> and cylinder bores be allowed to seat themselves. Newer oils are too slick to allow the necessary
> scuffing to take place, whereas the presence of zddp provides enough friction for the seating to 
> take place. Once past the initial break-in, zddp is no longer as necessary. I have not seen a definitive
> statement as to whether zddp is necessary after break-in but many sources recommend that an
> oil with higher levels of zddp be used. 
> 
> I found the discussion at  <http://www.hotrod.com/how-to/engine/ccrp-0702-break-in-new-cam/>http://www.hotrod.com/how-to/engine/ccrp-0702-break-in-new-cam/ <http://www.hotrod.com/how-to/engine/ccrp-0702-break-in-new-cam/>
> to be helpful. Note that, at the end of the article, there are some recommendations for oils with
> higher levels of zddp, usually used in diesel engines. 
> 
> Cheers,
> 
> Tod Brown
> B382002384LRXFE
> TAC #864
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