Quote:
Originally Posted by Sun Tuned
Both these guys were in a bit of a hurry, so I got them to order already blueprinted oil pumps from Butler. Now as I understand this these are Schuman pumps? In other words they come to butler already supposed to be fixed and ready to go. 235.00 each I think they were. And they were clean and looked the part anyhow.
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There have been several guys on the pontiac FB groups recently complaining about low idle oil pressure in new motors. I ask where they got the pump and if they took it apart and blueprinted it. The answer every time is " I got it from Butler so I assumed it was good."
A M54DS on Summit is $91 as of today. Somebody is making bank on these "boutique" pumps that still have the same issues as a M54DS.