Does anyone have a vendor for the .005 thick oil pump gaskets? I have a bunch of the stock GM .009. Thanks for any help on these.
Just buy the TA Performance oil pump shim kit. You can really dial in the gear end clearance like that. http://www.taperformance.com/proddetail.asp?prod=TA_1704 http://www.v8buick.com/index.php?threads/oil-pump-clearances-and-oil-pressure.326597/
You can use the mylar shims as gaskets, I have with no issues as far as leakage. I had asked TA about doing this, and they said that's fine, a lot of people do