[Mgs] [Mgb-v8] Kendall Oil

[Bob Howard]

   This tappet wear problem raises the question:  If we don't rev our
engines above 5,000, do we need the double valve springs?
   Max, was your late 80s engine Gold Seal engine an 18V, fitted with one
spring per valve?
Bob



 
On Thu, 24 Sep 2009 09:33:03 -0700 Max Heim <max_heim at sbcglobal.net>
writes:
> Let's throw in some actual user experience, then.
> 
> When I took the head off my B engine, it had serious valve recession 
> and extreme cam and lifter wear (several cam lobes were worn down
almost 
> 0.2 inch). This was a non-smog high compression Gold Seal engine from 
> the late 80s, with around 85K miles, almost all on Castrol GTX 20w50.
> 
> So, I am convinced that current formulations of the factory 
> recommended lubricant are inadequate for tappet protection. The service
manual 
> no longer applies.
> 
> 
> --
> 
> Max Heim
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