There are at least two albums on 6061 regarding spin on oil filter for V6. Each shows the relief valve
installed opposite of the other. One shows spring extending into the cavity where filter spins on and the other shows the spring sticking out towards the motor. These albums may used by many to be sure they do it right, like me. That's how I found them. One album is on the banner now. The other is by searching. Mine came with spring installed into filter cavity almost hitting the big threaded post. We need to fix this info. Right now I don't know what is correct for mine.
It is possible this could cause serious motor damage. Not sure. Someone please look in their 66-68+ repair manual and let us know ASAP.
http://6066gmcclub.com/forum/album.php?albumid=63
http://6066gmcclub.com/forum/album.p...pictureid=2147