oil pumps (not efi)

[tom cloud]

>I have been reading this thread over the last few days and feel 
>compelled to interject the following;
>
>It is my understanding that on a Chevy small block, it is not 
>recommended to utilize a high volume oil pump.  This can cause the oil 
>to be pumped in a manner that will fill up the lifter valley while 
>choking off oil supply to the bottom end.  The recommendation appears 
>to use a high pressure pump, instead.  This would imply that there is, 
>in fact, a difference.
>
>John

Oh, there is -- look in your Summit or Jegs or ASAP catalog.  You
can buy 'stock', 'high vol.', or 'hi-pressure' pumps.  And I 'spect
the onliest difference in a hi-pressure pump is the size of the
relief spring (just like in electric fuel pumps).



Tom Cloud <cloud at peaches.ph.utexas.edu>