So I just put my clutch cover back on and it's leaking pretty bad. I'll have to tear it all down again tomorrow. It wouldn't be too bad if not for the damned Cobra pipes. Should I have used some kind of adhesive/sealant or did I just get sloppy somewhere?

Or should I have held out for an OEM gasket?

i assume you scraped all of the old gasket off before reinstalling the cover. i found that the old gasket was a PITA to get off. used some foaming gasket remover and a plastic scraper to make sure it was all off before reinstalling the cover. 

good luck.

Yeah, all clean and bright. Paint remover plastic scraper, lacquer thinner and more scraping.

Not a lot of fun. I don't want to open it up again till I get the OEM gasket next week. Maybe then I'll be able to see what's going on.