Bought '78 Spider last fall. Runs fine, but leaks oil. I think it is the upper pan gasket. This my be a stupid question, but how do you get to the nuts that hold the front of the oil pan guard. I can see the bolt heads, but can't see the nuts.
I had this problem when I was pulling the engine/trans from my '73 Spider. The captive nuts weren't captive. I think they were damaged by a PO when the sump guard took a serious hit (the left side anti-roll bar mount was also partially torn loose). Fortunately I was able to break the bolts free before the nuts started turning with the bolts, and with all the engine oil that had leaked over the years, there was no rust or corrosion on any of the bolts, so I was able to kind of cant each bolt a little to lock the nut in place while I unscrewed it with an end wrench or by hand. If the bolts had been just a little corroded I think I would have had to grind or cut the heads off. I still haven't figured out what I'm going to do on re-assembly, I'll worry about that when I get to it. Good luck.