ZR-1 Net Registry Forums - View Single Post

csavaglio · 02-17-2014

Probably not going to be what you want to hear, but I've read that the black Delco ones don't have good check valves.

I confirmed this info with Mr. Haibeck on the phone....

http://www.zr1specialist.com/HAT%20W...ers%202006.htm

02-17-2014	#6
csavaglio Join Date: Oct 2013 Location: Colorado Springs, CO Posts: 160	Re: PF970C AC Delco Oil filter Probably not going to be what you want to hear, but I've read that the black Delco ones don't have good check valves. I confirmed this info with Mr. Haibeck on the phone.... http://www.zr1specialist.com/HAT%20W...ers%202006.htm