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Maintenance / Re: M55A oil pump question revisited.
« on: April 05, 2013, 05:39:30 PM »
You might just use a stock oil pump and add the GM high pressure spring. It is something like $4 and it makes sense if your pump is still good. Most pumps have very little wear and they have a known good casting. Just a thought. Don't buy in to all the hype.
-Mark.
-Mark.