I might not be describing this well, 15 seconds may be an over statement but
the delay is too long- long enough to cause a knock-- the knocking isn't
there all the time.
-Wear was suggested-- it had a rebuild (over a year ago) and I have really
good oil pressure 40 to 60 pounds -- new oil pump....
-I don't think a spun bearing would cause low oil pressure at
startup....correct me if I'm wrong but I think the knock is a symptom of low
pressure at first.
-wrong gasket was suggested but this developed-- didn't happen year ago.
- The oil filter is the early hanging type so I don't think it is the filter.
If the filter simply bypassed, I don't think that would effect oil pressure
- problem with oil pick up or gasket? hmmmm ---
-- could a stuck open relief valve or way too weak pressure spring cause this?
If it were open the pump might have to get to maximum output before I got much
pressure.... What do you think?
On May 13, 2013, at 10:13 AM, mgs-request@autox.team.net wrote:
> All you gents have missed something rather important, IMHO.
>
> <quote>
> ...but the knocking precludes that.
> </quote>
>
> As in rod or main knock ?? spun a main bearing --- # 3 or 4 ??
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