[Mgs] [MG-MGB] Delta Cam Lash

[Max Heim]

Hmm, actually, I would have thought that cam wear is irrelevant? The valve
is closed when it's closed, regardless of cam lift. For instance, my former
cam had 0.20" wear on the #2 lobe, but I could still set the valve
clearance.

I understand your point about meaningful levels of accuracy, in general, but
this particular measurement is not affected by wear -- in fact, it is
deliberately contrived to adjust for wear.

--

Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires


on 5/26/09 11:15 AM, Rick Lindsay at rolindsay at yahoo.com wrote:

> 
> Max wrote,
> 
>> So my contention is that setting them cold is equally accurate,
>> in theory, and more likely to be consistent, in practice (in
>> those cases where the factory has provided this figure, of course).
> 
> Knowing all the while that the cam wear may be greater than the precision of
> either measurement technique. :-P  This all feels to me like using a
> micrometer to select which pipe wrench to use.  I have ALWAYS set valve
> clearances on dead-cold engines; all marques, all years.
> 
> And yes, I have an LBC again - as was expected.  I now own a 1962 Triumph
> TR3b.  72nd from the end of TR3 production.  It is a superb specimen.
> 
> Rick
> PS: My apologies for using the T-word in mixed company.