BIG Oil Leak Options

[Fastbird]

Ok guys, time to fix this. I've had a LARGE oil leak on my Celi for quite some time now. It's odd though, because I can't find it! Here's things I've just checked again:

Pulled the Distributor, no leak, no sign of leaking, O-Ring is fine, inside is dry.
Valve cover has residue along back side, but it's NOT the leak as the residue is dry.

The only things I can think of are it being either the oil pan gasket, head gasket, or the rear main.

My problem in tracking it down is that I have all the undershields off of the car and it's blowing the oil everywhere. Around the front and back of the motor, up on top of the tranny, ect. I'm leaning on the oil pan gasket right now because there's a LOT of residue along the pan rails and some cracked silicone in spots, but the oil on top of the tranny leads me to think otherwise. Good news is that I'm pulling the pan right now to have a 1/8 NPT bung welded in to relocate my oil temp sensor.

Just throwing a feeler out there, seeing if anyone has any other ideas..........as I'm stumped on this one. I know the distributor o-ring is notorious for leaking, but trust me when I say there is ZERO evidence of a leak there and I've thoroughly inspected it today and the seal is fine.

[Fastbird]

Looks like I got it over the weekend. It's looking VERY much like it was the oil pan gasket.....I mean RTV seal.

I got the new pan on and put some miles on the car yesterday and had two NEW leaks. One is either the fitting I had mounted in the pan, or oil getting past the temp sensor threads (even though I used teflon tape). The other....I found last night.......is a NASTY split in my oil drain hose from the turbo, which fortunately is right at the hard tube, so it's just a pinhole leak. Duct Tape FTW for a temp fix there. JB Weld around the new sensor fitting on the pan, and RTV around the head of the sensor should cure the rest of it.

Reason I say this is after a 30+ minute drive in the heat of day yesterday, I found one tiny spot to the left of the pan that was blow around from the front, and a 6" wide puddle directly under the sensor on the right side of the pan with residue coming off the sensor and nowhere else.

Keep your fingers crossed for me.