18 Apr 12 10:59, Mark Hofmann wrote to Roy Witt:



 RW>> No. One could make an attempt to fix that by removing said lifter,
 RW>> take it apart and clean it, maybe replace the spring. As long as
 RW>> there is engine valve spring pressure on that weak lifter, it will
 RW>> leak down and need to be pumped up by engine oil pressure before the
 RW>> valve tap goes away.

 MH> My original engine didn't have that cold engine tap - so I guess they
 MH> used different parts on the Jasper rebuild.  Not a big deal, since
 MH> this is really minor and not causing a problem.

Just an irritant to think about.

 RW>> You might want to re-think that. By going heavier with your oil,
 RW>> rather than lighter. The heavier the oil, the less likely the lifter
 RW>> will leak down. Give 10w-40 oil a try.

 MH> I'll give that a try.  It isn't easy to find synthetic in 10w-40 -
 MH> most are lower.

I use Mobil One 5w-50 in the summer time, 10w-30 in the winter.

 MH> My thinking was since it doesn't do the "cold engine tap"
when it is
 MH> warmer outside, the oil is more lean and can be pumped up quicker
 MH> when you start the car.

My thinking is that if the oil used is heavier, it will be less likely
for the lifter to leak down. You could also go with a single weight oil
such as 30w and get the same effect.

                R\%/itt


  ... Only those who will risk going too far can possibly
  ... find out how far one can go ~ TS Eliot


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